diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 42b3b7172..1219b455a 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -83,6 +83,7 @@ module.exports = {
 				// TODO - enable these new recommended rules, a first step would be to switch from "off" to "warn"
 				'@typescript-eslint/explicit-module-boundary-types': 'off',
 				'@typescript-eslint/no-floating-promises': 'off',
+				'@typescript-eslint/no-misused-promises': 'off',
 				'@typescript-eslint/no-extra-semi': 'off',
 				'@typescript-eslint/no-unsafe-assignment': 'off',
 				'@typescript-eslint/no-unsafe-call': 'off',
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 339b600ae..c0ec057b3 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -65,8 +65,8 @@ jobs:
           yarn workspace site build:ssr
           yarn workspace site build:prerender
       - name: Replace site placeholders in netlify.toml redirection file
-        run: sed -i "s|:SITE_FR|$FR_BASE_URL|g" netlify.toml;
-          sed -i "s|:SITE_EN|$EN_BASE_URL|g" netlify.toml;
+        run: sed -i "s|:SITE_FR|$FR_BASE_URL|g" site/netlify.toml;
+          sed -i "s|:SITE_EN|$EN_BASE_URL|g" site/netlify.toml;
       - name: Update Algolia index
         run: yarn workspace site algolia:update
         env:
@@ -79,7 +79,7 @@ jobs:
           name: static-site
           path: |
             site/dist/**
-            netlify.toml
+            site/netlify.toml
           if-no-files-found: error
 
   deploy-preview:
@@ -97,7 +97,7 @@ jobs:
       - id: deploy-netlify
         uses: nwtgck/actions-netlify@v1.1
         with:
-          publish-dir: './site/dist'
+          publish-dir: '.'
           netlify-config-path: ./netlify.toml
           production-deploy: false
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -126,7 +126,7 @@ jobs:
       - id: deploy-netlify
         uses: nwtgck/actions-netlify@v1.1
         with:
-          publish-dir: './site/dist'
+          publish-dir: '.'
           netlify-config-path: ./netlify.toml
           production-deploy: true
           github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/babel.config.json b/babel.config.json
deleted file mode 100644
index 130fee74c..000000000
--- a/babel.config.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-	"presets": [
-		[
-			"@babel/preset-env",
-			{
-				"targets": {
-					"node": "current"
-				}
-			}
-		],
-		[
-			"@babel/preset-react",
-			{
-				"runtime": "automatic"
-			}
-		],
-		"@babel/preset-typescript"
-	],
-	"plugins": [
-		"babel-plugin-styled-components",
-		"@babel/plugin-proposal-class-properties",
-		"@babel/plugin-proposal-optional-chaining",
-		"@babel/plugin-proposal-nullish-coalescing-operator",
-		"@babel/plugin-proposal-object-rest-spread",
-		"@babel/plugin-syntax-dynamic-import"
-	]
-}
diff --git a/netlify.toml b/site/netlify.toml
similarity index 60%
rename from netlify.toml
rename to site/netlify.toml
index e7a1c58ff..b439aa2f2 100644
--- a/netlify.toml
+++ b/site/netlify.toml
@@ -96,70 +96,70 @@ Content-Security-Policy = "default-src 'self' mon-entreprise.fr; style-src 'self
   to = "/sitemap.fr.txt"
   status = 200
 
-[[redirects]]
-  from = ":SITE_FR"
-  to = "/prerender/mon-entreprise/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR"
+#   to = "/prerender/mon-entreprise/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/cr%C3%A9er"
-  to = "/prerender/mon-entreprise/cr%C3%A9er/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/cr%C3%A9er"
+#   to = "/prerender/mon-entreprise/cr%C3%A9er/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/g%C3%A9rer"
-  to = "/prerender/mon-entreprise/g%C3%A9rer/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/g%C3%A9rer"
+#   to = "/prerender/mon-entreprise/g%C3%A9rer/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs"
-  to = "/prerender/mon-entreprise/simulateurs/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs"
+#   to = "/prerender/mon-entreprise/simulateurs/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/ch%C3%B4mage-partiel"
-  to = "/prerender/mon-entreprise/simulateurs/ch%C3%B4mage-partiel/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/ch%C3%B4mage-partiel"
+#   to = "/prerender/mon-entreprise/simulateurs/ch%C3%B4mage-partiel/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/salaire-brut-net"
-  to = "/prerender/mon-entreprise/simulateurs/salaire-brut-net/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/salaire-brut-net"
+#   to = "/prerender/mon-entreprise/simulateurs/salaire-brut-net/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/auto-entrepreneur"
-  to = "/prerender/mon-entreprise/simulateurs/auto-entrepreneur/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/auto-entrepreneur"
+#   to = "/prerender/mon-entreprise/simulateurs/auto-entrepreneur/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/ind%C3%A9pendant"
-  to = "/prerender/mon-entreprise/simulateurs/ind%C3%A9pendant/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/ind%C3%A9pendant"
+#   to = "/prerender/mon-entreprise/simulateurs/ind%C3%A9pendant/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/dirigeant-sasu"
-  to = "/prerender/mon-entreprise/simulateurs/dirigeant-sasu/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/dirigeant-sasu"
+#   to = "/prerender/mon-entreprise/simulateurs/dirigeant-sasu/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/simulateurs/artiste-auteur"
-  to = "/prerender/mon-entreprise/simulateurs/artiste-auteur/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/simulateurs/artiste-auteur"
+#   to = "/prerender/mon-entreprise/simulateurs/artiste-auteur/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/iframes/simulateur-embauche"
-  to = "/prerender/mon-entreprise/iframes/simulateur-embauche/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/iframes/simulateur-embauche"
+#   to = "/prerender/mon-entreprise/iframes/simulateur-embauche/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/iframes/simulateur-chomage-partiel"
-  to = "/prerender/mon-entreprise/iframes/simulateur-chomage-partiel/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/iframes/simulateur-chomage-partiel"
+#   to = "/prerender/mon-entreprise/iframes/simulateur-chomage-partiel/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_FR/iframes/pamc"
-  to = "/prerender/mon-entreprise/iframes/pamc/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_FR/iframes/pamc"
+#   to = "/prerender/mon-entreprise/iframes/pamc/index.html"
+#   status = 200
 
 [[redirects]]
   from = ":SITE_FR/*"
@@ -180,20 +180,20 @@ Content-Security-Policy = "default-src 'self' mon-entreprise.fr; style-src 'self
   to = "/sitemap.en.txt"
   status = 200
 
-[[redirects]]
-  from = ":SITE_EN"
-  to = "/prerender/infrance/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_EN"
+#   to = "/prerender/infrance/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_EN/calculators/salary"
-  to = "/prerender/infrance/calculators/salary/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_EN/calculators/salary"
+#   to = "/prerender/infrance/calculators/salary/index.html"
+#   status = 200
 
-[[redirects]]
-  from = ":SITE_EN/iframes/simulateur-embauche"
-  to = "/prerender/infrance/iframes/simulateur-embauche/index.html"
-  status = 200
+# [[redirects]]
+#   from = ":SITE_EN/iframes/simulateur-embauche"
+#   to = "/prerender/infrance/iframes/simulateur-embauche/index.html"
+#   status = 200
 
 [[redirects]]
   from = ":SITE_EN/*"
diff --git a/site/package.json b/site/package.json
index 5cc759c68..2664945b3 100644
--- a/site/package.json
+++ b/site/package.json
@@ -19,17 +19,18 @@
 	],
 	"scripts": {
 		"prepare": "node scripts/prepare.js",
+		"start": "vite dev",
 		"build": "vite build",
+		"serve:dev": "concurrently -k \"yarn run serve:dev:mon-entreprise\" \"yarn run serve:dev:infrance\"",
+		"serve:dev:mon-entreprise": "PORT=5000 serve --config serve.mon-entreprise.json --no-clipboard",
+		"serve:dev:infrance": "PORT=5001 serve --config serve.infrance.json --no-clipboard",
 		"typecheck:watch": "tsc --skipLibCheck --noEmit --watch",
 		"test": "vitest",
 		"test:dev-e2e:mon-entreprise": "cypress open --browser chromium",
 		"test:dev-e2e:mycompanyinfrance": "cypress open --browser chromium --config baseUrl=http://localhost:8080/infrance,integrationFolder=cypress/integration/mon-entreprise/english --env language=en",
 		"test:record-http-calls:mon-entreprise": "cypress run --env record_http=",
-		"start": "WATCH_MODELE_SOCIAL=1 vite",
-		"serve:dev:mycompanyinfrance": "PORT=5001 serve --config serve.infrance.json --no-clipboard",
 		"algolia:update": "node scripts/search/update-data.js",
-		"algolia:clean": "node scripts/search/clean.js",
-		"preview": "vite preview"
+		"algolia:clean": "node scripts/search/clean.js"
 	},
 	"resolutions": {
 		"@mui/styled-engine": "npm:@mui/styled-engine-sc@latest"
@@ -68,7 +69,7 @@
 		"ramda": "^0.27.0",
 		"react": "^17.0.0",
 		"react-color": "^2.14.0",
-		"react-dom": "npm:@hot-loader/react-dom",
+		"react-dom": "^17.0.0",
 		"react-easy-emoji": "^1.2.0",
 		"react-helmet-async": "^1.1.2",
 		"react-i18next": "^11.0.0",
@@ -93,15 +94,6 @@
 		"yaml": "^1.9.2"
 	},
 	"devDependencies": {
-		"@babel/core": "^7.9.0",
-		"@babel/plugin-proposal-class-properties": "^7.8.3",
-		"@babel/plugin-proposal-nullish-coalescing-operator": "^7.8.3",
-		"@babel/plugin-proposal-object-rest-spread": "^7.9.5",
-		"@babel/plugin-proposal-optional-chaining": "^7.9.0",
-		"@babel/plugin-syntax-dynamic-import": "^7.8.3",
-		"@babel/preset-env": "^7.9.5",
-		"@babel/preset-react": "^7.9.4",
-		"@babel/preset-typescript": "^7.9.0",
 		"@react-types/numberfield": "^3.1.0",
 		"@react-types/searchfield": "^3.1.2",
 		"@rollup/plugin-yaml": "^3.1.0",
@@ -137,9 +129,9 @@
 		"prettier": "^2.3.2",
 		"rimraf": "^3.0.2",
 		"rollup-plugin-toml": "^1.0.0",
+		"serve": "^13.0.2",
 		"typescript": "^4.3.2",
 		"vite": "^2.7.7",
-		"vite-plugin-html": "2.1.1",
 		"vitest": "^0.0.116",
 		"xml2js": "^0.4.23"
 	}
diff --git a/site/serve.infrance.json b/site/serve.infrance.json
new file mode 100644
index 000000000..c546aef83
--- /dev/null
+++ b/site/serve.infrance.json
@@ -0,0 +1,4 @@
+{
+	"rewrites": [{ "source": "**", "destination": "infrance.html" }],
+	"public": "dist"
+}
diff --git a/site/serve.mon-entreprise.json b/site/serve.mon-entreprise.json
new file mode 100644
index 000000000..a0077af85
--- /dev/null
+++ b/site/serve.mon-entreprise.json
@@ -0,0 +1,4 @@
+{
+	"rewrites": [{ "source": "**", "destination": "mon-entreprise.html" }],
+	"public": "dist"
+}
diff --git a/site/source/Provider.tsx b/site/source/Provider.tsx
index 48e68beb7..e44b02cf3 100644
--- a/site/source/Provider.tsx
+++ b/site/source/Provider.tsx
@@ -30,7 +30,7 @@ import {
 // ATInternet Tracking
 import { TrackingContext } from './ATInternetTracking'
 import { createTracker } from './ATInternetTracking/Tracker'
-import logo from './static/images/logo-monentreprise.svg'
+import logo from 'Images/logo-monentreprise.svg'
 import safeLocalStorage from './storage/safeLocalStorage'
 import { inIframe } from './utils'
 
diff --git a/site/source/components/conversation/select/SelectTauxRisque.jsx b/site/source/components/conversation/select/SelectTauxRisque.jsx
index ad1ed551d..ef42ec576 100644
--- a/site/source/components/conversation/select/SelectTauxRisque.jsx
+++ b/site/source/components/conversation/select/SelectTauxRisque.jsx
@@ -4,6 +4,8 @@ import { Trans, useTranslation } from 'react-i18next'
 import Worker from './SelectTauxRisque.worker.js?worker'
 const worker = new Worker()
 
+console.log(worker)
+
 function SelectComponent({ onChange, onSubmit, options, autoFocus }) {
 	const [searchResults, setSearchResults] = useState()
 	let submitOnChange = (option) => {
diff --git a/site/source/entry.en.tsx b/site/source/entry.en.tsx
index 7cface1ca..5d663b80d 100644
--- a/site/source/entry.en.tsx
+++ b/site/source/entry.en.tsx
@@ -1,3 +1,4 @@
+import { I18nProvider } from '@react-aria/i18n'
 import rules from 'modele-social'
 import { render } from 'react-dom'
 import 'regenerator-runtime/runtime'
@@ -7,18 +8,17 @@ import ruleTranslations from './locales/rules-en.yaml'
 import translateRules from './locales/translateRules'
 import translations from './locales/ui-en.yaml'
 import './sentry'
-import { I18nProvider } from '@react-aria/i18n'
 
 i18next.addResourceBundle('en', 'translation', translations)
 i18next.changeLanguage('en')
 
-const anchor = document.querySelector('#js')
-render(
+const AppEn = () => (
 	<I18nProvider locale="en-GB">
 		<App
 			basename="infrance"
 			rules={translateRules('en', ruleTranslations, rules)}
 		/>
-	</I18nProvider>,
-	anchor
+	</I18nProvider>
 )
+
+render(<AppEn />, document.querySelector('#js'))
diff --git a/site/source/entry.fr.tsx b/site/source/entry.fr.tsx
index b9378bb2d..d60628d4b 100644
--- a/site/source/entry.fr.tsx
+++ b/site/source/entry.fr.tsx
@@ -1,18 +1,17 @@
+import { I18nProvider } from '@react-aria/i18n'
 import rules from 'modele-social'
 import { render } from 'react-dom'
 import 'regenerator-runtime/runtime'
 import App from './App'
 import i18next from './locales/i18n'
-import { I18nProvider } from '@react-aria/i18n'
-
 import './sentry'
 
 i18next.changeLanguage('fr')
 
-const anchor = document.querySelector('#js')
-render(
+const AppFr = () => (
 	<I18nProvider locale="fr-FR">
 		<App basename="mon-entreprise" rules={rules} />
-	</I18nProvider>,
-	anchor
+	</I18nProvider>
 )
+
+render(<AppFr />, document.querySelector('#js'))
diff --git a/site/source/static/images/Urssaf.svg b/site/source/images/Urssaf.svg
similarity index 100%
rename from site/source/static/images/Urssaf.svg
rename to site/source/images/Urssaf.svg
diff --git a/site/source/static/images/assurance-maladie.svg b/site/source/images/assurance-maladie.svg
similarity index 100%
rename from site/source/static/images/assurance-maladie.svg
rename to site/source/images/assurance-maladie.svg
diff --git a/site/source/static/images/banner-share.png b/site/source/images/banner-share.png
similarity index 100%
rename from site/source/static/images/banner-share.png
rename to site/source/images/banner-share.png
diff --git a/site/source/static/images/banner-share.svg b/site/source/images/banner-share.svg
similarity index 100%
rename from site/source/static/images/banner-share.svg
rename to site/source/images/banner-share.svg
diff --git a/site/source/static/images/company.svg b/site/source/images/company.svg
similarity index 100%
rename from site/source/static/images/company.svg
rename to site/source/images/company.svg
diff --git a/site/source/static/images/destinataires/Urssaf.png b/site/source/images/destinataires/Urssaf.png
similarity index 100%
rename from site/source/static/images/destinataires/Urssaf.png
rename to site/source/images/destinataires/Urssaf.png
diff --git a/site/source/static/images/destinataires/Urssaf.svg b/site/source/images/destinataires/Urssaf.svg
similarity index 100%
rename from site/source/static/images/destinataires/Urssaf.svg
rename to site/source/images/destinataires/Urssaf.svg
diff --git a/site/source/static/images/destinataires/agff.png b/site/source/images/destinataires/agff.png
similarity index 100%
rename from site/source/static/images/destinataires/agff.png
rename to site/source/images/destinataires/agff.png
diff --git a/site/source/static/images/destinataires/agirc.png b/site/source/images/destinataires/agirc.png
similarity index 100%
rename from site/source/static/images/destinataires/agirc.png
rename to site/source/images/destinataires/agirc.png
diff --git a/site/source/static/images/destinataires/cnav.png b/site/source/images/destinataires/cnav.png
similarity index 100%
rename from site/source/static/images/destinataires/cnav.png
rename to site/source/images/destinataires/cnav.png
diff --git a/site/source/static/images/destinataires/destinataires.yaml b/site/source/images/destinataires/destinataires.yaml
similarity index 100%
rename from site/source/static/images/destinataires/destinataires.yaml
rename to site/source/images/destinataires/destinataires.yaml
diff --git a/site/source/static/images/destinataires/salarié.png b/site/source/images/destinataires/salarié.png
similarity index 100%
rename from site/source/static/images/destinataires/salarié.png
rename to site/source/images/destinataires/salarié.png
diff --git a/site/source/static/images/estimate.svg b/site/source/images/estimate.svg
similarity index 100%
rename from site/source/static/images/estimate.svg
rename to site/source/images/estimate.svg
diff --git a/site/source/static/images/hiring.svg b/site/source/images/hiring.svg
similarity index 100%
rename from site/source/static/images/hiring.svg
rename to site/source/images/hiring.svg
diff --git a/site/source/static/images/logo-backup.svg b/site/source/images/logo-backup.svg
similarity index 100%
rename from site/source/static/images/logo-backup.svg
rename to site/source/images/logo-backup.svg
diff --git a/site/source/static/images/logo-dgfip.svg b/site/source/images/logo-dgfip.svg
similarity index 100%
rename from site/source/static/images/logo-dgfip.svg
rename to site/source/images/logo-dgfip.svg
diff --git a/site/source/static/images/logo-monentreprise.svg b/site/source/images/logo-monentreprise.svg
similarity index 100%
rename from site/source/static/images/logo-monentreprise.svg
rename to site/source/images/logo-monentreprise.svg
diff --git a/site/source/static/images/logo-mycompany-share.png b/site/source/images/logo-mycompany-share.png
similarity index 100%
rename from site/source/static/images/logo-mycompany-share.png
rename to site/source/images/logo-mycompany-share.png
diff --git a/site/source/static/images/logo-mycompany.svg b/site/source/images/logo-mycompany.svg
similarity index 100%
rename from site/source/static/images/logo-mycompany.svg
rename to site/source/images/logo-mycompany.svg
diff --git a/site/source/static/images/logo-share.png b/site/source/images/logo-share.png
similarity index 100%
rename from site/source/static/images/logo-share.png
rename to site/source/images/logo-share.png
diff --git a/site/source/static/images/logo.svg b/site/source/images/logo.svg
similarity index 100%
rename from site/source/static/images/logo.svg
rename to site/source/images/logo.svg
diff --git a/site/source/static/images/logos-caisses-retraite/carcdsf.jpg b/site/source/images/logos-caisses-retraite/carcdsf.jpg
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/carcdsf.jpg
rename to site/source/images/logos-caisses-retraite/carcdsf.jpg
diff --git a/site/source/static/images/logos-caisses-retraite/carmf.png b/site/source/images/logos-caisses-retraite/carmf.png
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/carmf.png
rename to site/source/images/logos-caisses-retraite/carmf.png
diff --git a/site/source/static/images/logos-caisses-retraite/carpimko.png b/site/source/images/logos-caisses-retraite/carpimko.png
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/carpimko.png
rename to site/source/images/logos-caisses-retraite/carpimko.png
diff --git a/site/source/static/images/logos-caisses-retraite/cavec.jpg b/site/source/images/logos-caisses-retraite/cavec.jpg
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/cavec.jpg
rename to site/source/images/logos-caisses-retraite/cavec.jpg
diff --git a/site/source/static/images/logos-caisses-retraite/cavp.svg b/site/source/images/logos-caisses-retraite/cavp.svg
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/cavp.svg
rename to site/source/images/logos-caisses-retraite/cavp.svg
diff --git a/site/source/static/images/logos-caisses-retraite/cipav.png b/site/source/images/logos-caisses-retraite/cipav.png
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/cipav.png
rename to site/source/images/logos-caisses-retraite/cipav.png
diff --git a/site/source/static/images/logos-caisses-retraite/cnbf.png b/site/source/images/logos-caisses-retraite/cnbf.png
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/cnbf.png
rename to site/source/images/logos-caisses-retraite/cnbf.png
diff --git a/site/source/static/images/logos-caisses-retraite/index.tsx b/site/source/images/logos-caisses-retraite/index.tsx
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/index.tsx
rename to site/source/images/logos-caisses-retraite/index.tsx
diff --git a/site/source/static/images/logos-caisses-retraite/ircec.jpg b/site/source/images/logos-caisses-retraite/ircec.jpg
similarity index 100%
rename from site/source/static/images/logos-caisses-retraite/ircec.jpg
rename to site/source/images/logos-caisses-retraite/ircec.jpg
diff --git a/site/source/static/images/map-directions.png b/site/source/images/map-directions.png
similarity index 100%
rename from site/source/static/images/map-directions.png
rename to site/source/images/map-directions.png
diff --git a/site/source/static/images/marianne.svg b/site/source/images/marianne.svg
similarity index 100%
rename from site/source/static/images/marianne.svg
rename to site/source/images/marianne.svg
diff --git a/site/source/static/images/mycompany-logo-partage.png b/site/source/images/mycompany-logo-partage.png
similarity index 100%
rename from site/source/static/images/mycompany-logo-partage.png
rename to site/source/images/mycompany-logo-partage.png
diff --git a/site/source/static/images/publicodes.png b/site/source/images/publicodes.png
similarity index 100%
rename from site/source/static/images/publicodes.png
rename to site/source/images/publicodes.png
diff --git a/site/source/static/images/revenus.svg b/site/source/images/revenus.svg
similarity index 100%
rename from site/source/static/images/revenus.svg
rename to site/source/images/revenus.svg
diff --git a/site/source/static/images/références/Urssaf.svg b/site/source/images/références/Urssaf.svg
similarity index 100%
rename from site/source/static/images/références/Urssaf.svg
rename to site/source/images/références/Urssaf.svg
diff --git a/site/source/static/images/références/agirc-arrco.png b/site/source/images/références/agirc-arrco.png
similarity index 100%
rename from site/source/static/images/références/agirc-arrco.png
rename to site/source/images/références/agirc-arrco.png
diff --git a/site/source/static/images/références/ameli.png b/site/source/images/références/ameli.png
similarity index 100%
rename from site/source/static/images/références/ameli.png
rename to site/source/images/références/ameli.png
diff --git a/site/source/static/images/références/bpi-création.png b/site/source/images/références/bpi-création.png
similarity index 100%
rename from site/source/static/images/références/bpi-création.png
rename to site/source/images/références/bpi-création.png
diff --git a/site/source/static/images/références/ladocumentationfrançaise.png b/site/source/images/références/ladocumentationfrançaise.png
similarity index 100%
rename from site/source/static/images/références/ladocumentationfrançaise.png
rename to site/source/images/références/ladocumentationfrançaise.png
diff --git a/site/source/static/images/références/marianne.png b/site/source/images/références/marianne.png
similarity index 100%
rename from site/source/static/images/références/marianne.png
rename to site/source/images/références/marianne.png
diff --git a/site/source/static/images/références/pole-emploi.png b/site/source/images/références/pole-emploi.png
similarity index 100%
rename from site/source/static/images/références/pole-emploi.png
rename to site/source/images/références/pole-emploi.png
diff --git a/site/source/static/images/références/senat.png b/site/source/images/références/senat.png
similarity index 100%
rename from site/source/static/images/références/senat.png
rename to site/source/images/références/senat.png
diff --git a/site/source/pages/Gerer/AideDéclarationIndépendant/FormulaireRésultatComplet.tsx b/site/source/pages/Gerer/AideDéclarationIndépendant/FormulaireRésultatComplet.tsx
deleted file mode 100644
index e69de29bb..000000000
diff --git a/site/source/static/favicon/android-chrome-192x192.png b/site/source/public/favicon/android-chrome-192x192.png
similarity index 100%
rename from site/source/static/favicon/android-chrome-192x192.png
rename to site/source/public/favicon/android-chrome-192x192.png
diff --git a/site/source/static/favicon/android-chrome-512x512.png b/site/source/public/favicon/android-chrome-512x512.png
similarity index 100%
rename from site/source/static/favicon/android-chrome-512x512.png
rename to site/source/public/favicon/android-chrome-512x512.png
diff --git a/site/source/static/favicon/apple-touch-icon.png b/site/source/public/favicon/apple-touch-icon.png
similarity index 100%
rename from site/source/static/favicon/apple-touch-icon.png
rename to site/source/public/favicon/apple-touch-icon.png
diff --git a/site/source/static/favicon/favicon-16x16.png b/site/source/public/favicon/favicon-16x16.png
similarity index 100%
rename from site/source/static/favicon/favicon-16x16.png
rename to site/source/public/favicon/favicon-16x16.png
diff --git a/site/source/static/favicon/favicon-32x32.png b/site/source/public/favicon/favicon-32x32.png
similarity index 100%
rename from site/source/static/favicon/favicon-32x32.png
rename to site/source/public/favicon/favicon-32x32.png
diff --git a/site/source/static/favicon/favicon.ico b/site/source/public/favicon/favicon.ico
similarity index 100%
rename from site/source/static/favicon/favicon.ico
rename to site/source/public/favicon/favicon.ico
diff --git a/site/source/static/favicon/site.webmanifest b/site/source/public/favicon/site.webmanifest
similarity index 100%
rename from site/source/static/favicon/site.webmanifest
rename to site/source/public/favicon/site.webmanifest
diff --git a/site/source/static/fonts/montserrat-v18-latin-700.woff b/site/source/public/fonts/montserrat-v18-latin-700.woff
similarity index 100%
rename from site/source/static/fonts/montserrat-v18-latin-700.woff
rename to site/source/public/fonts/montserrat-v18-latin-700.woff
diff --git a/site/source/static/fonts/montserrat-v18-latin-700.woff2 b/site/source/public/fonts/montserrat-v18-latin-700.woff2
similarity index 100%
rename from site/source/static/fonts/montserrat-v18-latin-700.woff2
rename to site/source/public/fonts/montserrat-v18-latin-700.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-500.woff b/site/source/public/fonts/roboto-v29-latin-500.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-500.woff
rename to site/source/public/fonts/roboto-v29-latin-500.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-500.woff2 b/site/source/public/fonts/roboto-v29-latin-500.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-500.woff2
rename to site/source/public/fonts/roboto-v29-latin-500.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-500italic.woff b/site/source/public/fonts/roboto-v29-latin-500italic.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-500italic.woff
rename to site/source/public/fonts/roboto-v29-latin-500italic.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-500italic.woff2 b/site/source/public/fonts/roboto-v29-latin-500italic.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-500italic.woff2
rename to site/source/public/fonts/roboto-v29-latin-500italic.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-700.woff b/site/source/public/fonts/roboto-v29-latin-700.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-700.woff
rename to site/source/public/fonts/roboto-v29-latin-700.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-700.woff2 b/site/source/public/fonts/roboto-v29-latin-700.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-700.woff2
rename to site/source/public/fonts/roboto-v29-latin-700.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-700italic.woff b/site/source/public/fonts/roboto-v29-latin-700italic.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-700italic.woff
rename to site/source/public/fonts/roboto-v29-latin-700italic.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-700italic.woff2 b/site/source/public/fonts/roboto-v29-latin-700italic.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-700italic.woff2
rename to site/source/public/fonts/roboto-v29-latin-700italic.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-italic.woff b/site/source/public/fonts/roboto-v29-latin-italic.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-italic.woff
rename to site/source/public/fonts/roboto-v29-latin-italic.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-italic.woff2 b/site/source/public/fonts/roboto-v29-latin-italic.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-italic.woff2
rename to site/source/public/fonts/roboto-v29-latin-italic.woff2
diff --git a/site/source/static/fonts/roboto-v29-latin-regular.woff b/site/source/public/fonts/roboto-v29-latin-regular.woff
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-regular.woff
rename to site/source/public/fonts/roboto-v29-latin-regular.woff
diff --git a/site/source/static/fonts/roboto-v29-latin-regular.woff2 b/site/source/public/fonts/roboto-v29-latin-regular.woff2
similarity index 100%
rename from site/source/static/fonts/roboto-v29-latin-regular.woff2
rename to site/source/public/fonts/roboto-v29-latin-regular.woff2
diff --git a/site/source/static/google12806d2f3452e656.html b/site/source/public/google12806d2f3452e656.html
similarity index 100%
rename from site/source/static/google12806d2f3452e656.html
rename to site/source/public/google12806d2f3452e656.html
diff --git a/site/source/static/manifest.webmanifest b/site/source/public/manifest.webmanifest
similarity index 100%
rename from site/source/static/manifest.webmanifest
rename to site/source/public/manifest.webmanifest
diff --git a/site/source/static/robots.en.txt b/site/source/public/robots.en.txt
similarity index 100%
rename from site/source/static/robots.en.txt
rename to site/source/public/robots.en.txt
diff --git a/site/source/static/robots.fr.txt b/site/source/public/robots.fr.txt
similarity index 100%
rename from site/source/static/robots.fr.txt
rename to site/source/public/robots.fr.txt
diff --git a/site/source/static/sitemap.en.txt b/site/source/public/sitemap.en.txt
similarity index 100%
rename from site/source/static/sitemap.en.txt
rename to site/source/public/sitemap.en.txt
diff --git a/site/source/static/sitemap.fr.txt b/site/source/public/sitemap.fr.txt
similarity index 100%
rename from site/source/static/sitemap.fr.txt
rename to site/source/public/sitemap.fr.txt
diff --git a/site/source/redirects.jsx b/site/source/redirects.jsx
index 060e67406..410f97bbd 100644
--- a/site/source/redirects.jsx
+++ b/site/source/redirects.jsx
@@ -1,5 +1,5 @@
 import { Redirect } from 'react-router-dom'
-import netlifyToml from '../../netlify.toml'
+import netlifyToml from '../netlify.toml'
 
 export default netlifyToml.redirects
 	.filter(({ from, status }) => status === 301 && !from.startsWith('https'))
diff --git a/site/source/sitePaths.ts b/site/source/sitePaths.ts
index e47b8cb2b..5a259699c 100644
--- a/site/source/sitePaths.ts
+++ b/site/source/sitePaths.ts
@@ -197,11 +197,19 @@ export const generateSiteMap = (sitePaths: SitePathsType): SiteMap =>
 		sitePaths
 	)
 
+// TODO: HACKY, find a better way to expose this information
+const basePathFr = import.meta.env.PROD
+	? import.meta.env.VITE_FR_BASE_URL
+	: '/mon-entreprise'
+const basePathEn = import.meta.env.PROD
+	? import.meta.env.VITE_EN_BASE_URL
+	: '/infrance'
+
 const enSiteMap = generateSiteMap(constructLocalizedSitePath('en')).map(
-	(path) => import.meta.env.VITE_EN_BASE_URL + path
+	(path) => 'http://' + window.location.host + basePathEn + path
 )
 const frSiteMap = generateSiteMap(constructLocalizedSitePath('fr')).map(
-	(path) => import.meta.env.VITE_FR_BASE_URL + path
+	(path) => 'http://' + window.location.host + basePathFr + path
 )
 
 export const hrefLangLink = {
diff --git a/site/index.html b/site/source/template.html
similarity index 92%
rename from site/index.html
rename to site/source/template.html
index f00f7ccee..2871a0158 100644
--- a/site/index.html
+++ b/site/source/template.html
@@ -31,9 +31,26 @@
 			name="google-site-verification"
 			content="lO4OheVzHWfvwcoUC-1VKN_GTWtA5vEM-uPZqb2PORs"
 		/>
-		<meta property="og:type" content="website" />
 
 		<!-- data-helmet pour que React Helmet puisse écraser ce meta par défaut -->
+		<meta
+			name="description"
+			content="{{ description }}"
+			data-react-helmet="true"
+		/>
+		<meta property="og:type" content="website" />
+		<meta property="og:title" data-react-helmet="true" content="{{ title }}" />
+		<meta
+			property="og:description"
+			data-react-helmet="true"
+			content="{{ description }}"
+		/>
+
+		<meta
+			property="og:image"
+			data-react-helmet="true"
+			content="{{ shareImage }}"
+		/>
 
 		<link rel="manifest" href="/manifest.webmanifest" />
 
@@ -155,6 +172,7 @@
 	<body>
 		<!-- APP  -->
 		<div id="js"></div>
+		<script type="module" src="{{ entry }}"></script>
 
 		<script>
 			// Set the main colors from the provided customization in the URL We do it
diff --git a/site/source/types/.gitignore b/site/source/types/.gitignore
deleted file mode 100644
index d2785045c..000000000
--- a/site/source/types/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-dottednames.json
diff --git a/site/source/types/app-env.d.ts b/site/source/types/app-env.d.ts
index ba8bc7fd7..13bc66949 100644
--- a/site/source/types/app-env.d.ts
+++ b/site/source/types/app-env.d.ts
@@ -1,51 +1,21 @@
-declare namespace NodeJS {
-	interface ProcessEnv {
-		EN_BASE_URL: string
-		FR_BASE_URL: string
-		NODE_ENV: 'development' | 'production' | 'test'
-		ANALYZE_BUNDLE: '0' | '1'
+interface ImportMetaEnv {
+	VITE_EN_BASE_URL: string
+	VITE_FR_BASE_URL: string
 
-		// Github actions env variables
-		// https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables
-		GITHUB_REF: string
-		GITHUB_SHA: string
+	// Github actions env variables
+	// https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables
+	VITE_GITHUB_REF: string
+	VITE_GITHUB_HEAD_REF: string
+	VITE_GITHUB_SHA: string
+	VITE_GIT_HEAD: string
 
-		// .env variables
-		GITHUB_API_SECRET: string
-		DEEPL_API_SECRET: string
-		INSEE_SIRENE_API_SECRET: string
-		ATINTERNET_API_ACCESS_KEY: string
-		ATINTERNET_API_SECRET_KEY: string
-		ZAMMAD_API_SECRET_KEY: string
-	}
+	VITE_AT_INTERNET_SITE_ID: string
+	VITE_ATINTERNET_API_ACCESS_KEY: string
+	VITE_ATINTERNET_API_SECRET_KEY: string
 
-	interface Global {
-		SC_DISABLE_SPEEDY: boolean
-	}
-}
-
-interface ImportMeta {
-	env: {
-		MODE: 'development' | 'production' | 'test'
-
-		VITE_EN_BASE_URL: string
-		VITE_FR_BASE_URL: string
-
-		// Github actions env variables
-		// https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables
-		VITE_GITHUB_REF: string
-		VITE_GITHUB_HEAD_REF: string
-		VITE_GITHUB_SHA: string
-		VITE_GIT_HEAD: string
-
-		VITE_AT_INTERNET_SITE_ID: string
-		VITE_ATINTERNET_API_ACCESS_KEY: string
-		VITE_ATINTERNET_API_SECRET_KEY: string
-
-		VITE_ALGOLIA_INDEX_PREFIX: string
-		VITE_ALGOLIA_SEARCH_KEY: string
-		VITE_ALGOLIA_APP_ID: string
-
-		VITE_REDUX_TRACE: string
-	}
+	VITE_ALGOLIA_INDEX_PREFIX: string
+	VITE_ALGOLIA_SEARCH_KEY: string
+	VITE_ALGOLIA_APP_ID: string
+
+	VITE_REDUX_TRACE: string
 }
diff --git a/site/source/types/import-file.ts b/site/source/types/import-file.ts
deleted file mode 100644
index 17ff21913..000000000
--- a/site/source/types/import-file.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-declare module '*.ttf' {
-	const content: string
-	export default content
-}
-
-declare module '*.pdf' {
-	const content: string
-	export default content
-}
diff --git a/site/source/types/import-images.d.ts b/site/source/types/import-images.d.ts
deleted file mode 100644
index fc525faaf..000000000
--- a/site/source/types/import-images.d.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-declare module '*.svg' {
-	const content: any
-	export default content
-}
-
-declare module '*.png' {
-	const content: any
-	export default content
-}
-
-declare module '*.jpg' {
-	const content: any
-	export default content
-}
diff --git a/site/source/types/import-markdown.d.ts b/site/source/types/import-markdown.d.ts
deleted file mode 100644
index 6710f5c2d..000000000
--- a/site/source/types/import-markdown.d.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-declare module '*.md?raw' {
-	const content: string
-	export default content
-}
diff --git a/site/source/types/import-nearley.d.ts b/site/source/types/import-nearley.d.ts
deleted file mode 100644
index 0bdaa74fa..000000000
--- a/site/source/types/import-nearley.d.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-declare module '*.ne' {
-	const content: any
-	export default content
-}
diff --git a/site/source/types/rollup-plugin-toml.d.ts b/site/source/types/rollup-plugin-toml.d.ts
new file mode 100644
index 000000000..99414c772
--- /dev/null
+++ b/site/source/types/rollup-plugin-toml.d.ts
@@ -0,0 +1,5 @@
+declare module 'rollup-plugin-toml' {
+	import { Plugin } from 'vite'
+	const plugin: Plugin
+	export default plugin
+}
diff --git a/site/source/types/worker-loader.d.ts b/site/source/types/worker-loader.d.ts
deleted file mode 100644
index d5e61024c..000000000
--- a/site/source/types/worker-loader.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-declare module '*.worker.js' {
-	class WebpackWorker extends Worker {
-		constructor()
-	}
-
-	export default WebpackWorker
-}
diff --git a/site/tsconfig.json b/site/tsconfig.json
index b61a5846c..c0a2be7d9 100644
--- a/site/tsconfig.json
+++ b/site/tsconfig.json
@@ -10,11 +10,12 @@
 		"forceConsistentCasingInFileNames": true,
 		"resolveJsonModule": true,
 		"allowJs": true,
+		"isolatedModules": true,
 		"paths": {
 			"Actions/*": ["actions/*"],
 			"Components": ["components"],
 			"Components/*": ["components/*"],
-			"Images/*": ["static/images/*"],
+			"Images/*": ["images/*"],
 			"Reducers/*": ["reducers/*"],
 			"Selectors/*": ["selectors/*"],
 			"Types/*": ["types/*"],
@@ -23,9 +24,10 @@
 			"Hooks/*": ["hooks/*"],
 			"API/*": ["api/*"]
 		},
+		"types": ["vite/client"],
 		"typeRoots": ["./types/", "./node_modules/@types"],
 		"noEmit": true,
 		"strict": true
 	},
-	"include": ["source", "test/**/*.ts", "dev-server.js"]
+	"include": ["source", "test/**/*.ts", "vite.config.ts"]
 }
diff --git a/site/vite.config.js b/site/vite.config.js
deleted file mode 100644
index dc01c144a..000000000
--- a/site/vite.config.js
+++ /dev/null
@@ -1,44 +0,0 @@
-import yaml from '@rollup/plugin-yaml'
-import react from '@vitejs/plugin-react'
-import path from 'path'
-import toml from 'rollup-plugin-toml'
-import { defineConfig } from 'vite'
-import { injectHtml } from 'vite-plugin-html'
-import { watchDottedNames } from '../modele-social/build.js'
-
-if (process.env.WATCH_MODELE_SOCIAL) {
-	watchDottedNames()
-}
-
-/**
- * @type {import('vite').Config}
- */
-export default defineConfig({
-	resolve: {
-		alias: {
-			Actions: path.resolve('source/actions/'),
-			Components: path.resolve('source/components/'),
-			Selectors: path.resolve('source/selectors/'),
-			Reducers: path.resolve('source/reducers/'),
-			Types: path.resolve('source/types/'),
-			Images: path.resolve('source/static/images/'),
-			DesignSystem: path.resolve('source/design-system'),
-			Data: path.resolve('source/data'),
-			Hooks: path.resolve('source/hooks'),
-			API: path.resolve('source/api'),
-		},
-		extensions: ['.js', '.ts', '.jsx', '.tsx', '.json'],
-	},
-	publicDir: 'source/static',
-	plugins: [
-		react({
-			babel: {
-				plugins: ['babel-plugin-styled-components'],
-			},
-		}),
-		yaml(),
-		toml,
-		injectHtml(),
-	],
-	build: {},
-})
diff --git a/site/vite.config.ts b/site/vite.config.ts
new file mode 100644
index 000000000..081ab9cd3
--- /dev/null
+++ b/site/vite.config.ts
@@ -0,0 +1,153 @@
+import yaml from '@rollup/plugin-yaml'
+import react from '@vitejs/plugin-react'
+import path from 'path'
+import toml from 'rollup-plugin-toml'
+import { promises as fs } from 'fs'
+import { defineConfig, Plugin } from 'vite'
+import { watchDottedNames } from '../modele-social/build.js'
+
+export default defineConfig({
+	resolve: {
+		alias: {
+			Actions: path.resolve('source/actions/'),
+			Components: path.resolve('source/components/'),
+			Selectors: path.resolve('source/selectors/'),
+			Reducers: path.resolve('source/reducers/'),
+			Types: path.resolve('source/types/'),
+			Images: path.resolve('source/images/'),
+			DesignSystem: path.resolve('source/design-system'),
+			Data: path.resolve('source/data'),
+			Hooks: path.resolve('source/hooks'),
+			API: path.resolve('source/api'),
+		},
+		extensions: ['.js', '.ts', '.jsx', '.tsx', '.json'],
+	},
+	root: 'source',
+	plugins: [
+		react({
+			babel: {
+				plugins: ['babel-plugin-styled-components'],
+			},
+		}),
+		yaml(),
+		toml,
+		multipleSPA({
+			defaultSite: 'mon-entreprise',
+			templatePath: './source/template.html',
+			sites: {
+				'mon-entreprise': {
+					entry: '/entry.fr.tsx',
+					title:
+						"mon-entreprise.urssaf.fr : L'assistant officiel du créateur d'entreprise",
+					description:
+						'Du statut juridique à la première embauche, en passant par la simulation des cotisations, vous trouverez ici toutes les ressources pour démarrer votre activité.',
+					shareImage: 'https://mon-entreprise.urssaf.fr/images/logo-share.png',
+				},
+				infrance: {
+					entry: '/entry.en.tsx',
+					title:
+						'My company in France: A step-by-step guide to start a business in France',
+					description:
+						'Find the type of company that suits you and follow the steps to register your company. Discover the French social security system by simulating your hiring costs. Discover the procedures to hire in France and learn the basics of French labour law.',
+					shareImage:
+						'https://mon-entreprise.urssaf.fr/images/logo-mycompany-share.png',
+				},
+			},
+		}),
+	],
+})
+
+type MultipleSPAOptions = {
+	defaultSite: string
+	templatePath: string
+	sites: Record<string, Record<string, string>>
+}
+
+/**
+ * A custom plugin to create multiple virtual html files from a template. Will
+ * generate distinct entry points and single-page application outputs.
+ */
+function multipleSPA(options: MultipleSPAOptions): Plugin {
+	const fillTemplate = async (siteName: string) => {
+		const siteData = options.sites[siteName]
+		const template = await fs.readFile(options.templatePath, 'utf-8')
+		const filledTemplate = template
+			.toString()
+			.replace(/\{\{(.+)\}\}/g, (_match, p1) => siteData[p1.trim()])
+		return filledTemplate
+	}
+
+	return {
+		name: 'multiple-spa',
+		enforce: 'pre',
+
+		configureServer(vite) {
+			// Small hack: This call shouldn't be here, but it's the easiest way to
+			// start the watcher with the development server. We could use native
+			// ViteJS watch API, but it would require changing more code and maybe the
+			// whole "modele-social" package build process.
+			watchDottedNames()
+
+			// eslint-disable-next-line @typescript-eslint/no-misused-promises
+			vite.middlewares.use(async (req, res, next) => {
+				const url = req.originalUrl
+				if (url === '/') {
+					res.writeHead(302, { Location: '/' + options.defaultSite })
+					res.end()
+				} else if (
+					url &&
+					Object.keys(options.sites).some((name) =>
+						url.slice(1).startsWith(name)
+					)
+				) {
+					const siteName = url.slice(1).split('/')[0]
+					const content = await vite.transformIndexHtml(
+						'/',
+						await fillTemplate(siteName),
+						url
+					)
+					res.end(content)
+				} else {
+					next()
+				}
+			})
+		},
+
+		config(config, { command }) {
+			if (command === 'build' && !config.build?.ssr) {
+				config.build = {
+					...config.build,
+					rollupOptions: {
+						input: Object.fromEntries(
+							Object.keys(options.sites).map((name) => [
+								name,
+								`virtual:${name}.html`,
+							])
+						),
+					},
+				}
+			}
+		},
+
+		resolveId(id) {
+			const pathname = id.split('/').at(-1)
+			if (pathname?.startsWith('virtual:')) {
+				return pathname.replace('virtual:', '')
+			}
+			return null
+		},
+
+		async load(id) {
+			if (
+				Object.keys(options.sites).some((name) => id.endsWith(name + '.html'))
+			) {
+				return await fillTemplate(
+					id
+						.split('/')
+						.at(-1)
+						.replace(/\.html$/, '')
+				)
+			}
+		},
+	}
+}