diff --git a/package.json b/package.json
index dcbb506b3..ed905ee40 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
 		"flow-typed": "^2.4.0",
 		"google-translate-api": "^2.3.0",
 		"html-loader": "^0.5.5",
-		"html-webpack-plugin": "^3.2.0",
+		"html-webpack-plugin": "^4.0.0-alpha",
 		"intl": "^1.2.5",
 		"intl-locales-supported": "^1.0.0",
 		"js-yaml": "^3.12.0",
diff --git a/source/sites/mycompanyinfrance.fr/pages/SocialSecurity/Home.js b/source/sites/mycompanyinfrance.fr/pages/SocialSecurity/Home.js
index e03c5a411..4ef02d9ed 100644
--- a/source/sites/mycompanyinfrance.fr/pages/SocialSecurity/Home.js
+++ b/source/sites/mycompanyinfrance.fr/pages/SocialSecurity/Home.js
@@ -1,20 +1,29 @@
 /* @flow */
-
-import Simulateur from 'Components/Simu'
-import { ScrollToTop } from 'Components/utils/Scroll'
 import { compose } from 'ramda'
 import React, { Component } from 'react'
 import { connect } from 'react-redux'
 import * as Animate from 'Ui/animate'
+import type Simulateur from 'Components/Simu'
 
 type Props = {
 	hideText: boolean
 }
-class SocialSecurity extends Component<Props, {}> {
+type State = {
+	simulateur: ?Simulateur
+}
+class SocialSecurity extends Component<Props, State> {
+	state = {
+		simulateur: null
+	}
+	componentDidMount() {
+		import('Components/Simu').then(Simulateur =>
+			this.setState({ simulateur: Simulateur.default })
+		)
+	}
 	render() {
+		const Simulateur = this.state.simulateur
 		return (
 			<>
-				<ScrollToTop />
 				<Animate.fromBottom>
 					{!this.props.hideText && (
 						<>
@@ -51,7 +60,7 @@ class SocialSecurity extends Component<Props, {}> {
 							<h2>How much does it cost ?</h2>
 						</>
 					)}
-					<Simulateur displayHiringProcedures />
+					{Simulateur && <Simulateur displayHiringProcedures />}
 				</Animate.fromBottom>
 			</>
 		)
diff --git a/source/webpack.common.js b/source/webpack.common.js
index d194fd186..b48c7d012 100644
--- a/source/webpack.common.js
+++ b/source/webpack.common.js
@@ -27,6 +27,13 @@ module.exports = {
 		filename: ({ chunk }) =>
 			chunk.name === 'dist/simulateur' ? '[name].js' : '[name].[hash].js'
 	},
+	optimization: {
+		splitChunks: {
+			// include all types of chunks
+			chunks: 'all',
+			name: false
+		  }		  
+	},
 	module: {
 		rules: [
 			{
diff --git a/yarn.lock b/yarn.lock
index 0396675e2..f863245bd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -738,6 +738,10 @@
   version "10.5.2"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.5.2.tgz#f19f05314d5421fe37e74153254201a7bf00a707"
 
+"@types/tapable@1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.2.tgz#e13182e1b69871a422d7863e11a4a6f5b814a4bd"
+
 "@webassemblyjs/ast@1.5.13":
   version "1.5.13"
   resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.5.13.tgz#81155a570bd5803a30ec31436bc2c9c0ede38f25"
@@ -3930,16 +3934,16 @@ html-parse-stringify2@2.0.1:
   dependencies:
     void-elements "^2.0.1"
 
-html-webpack-plugin@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
+html-webpack-plugin@^4.0.0-alpha:
+  version "4.0.0-alpha"
+  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-4.0.0-alpha.tgz#b2c7b6d4885a209c999dfce3ffb9866e2c8c0eaa"
   dependencies:
+    "@types/tapable" "1.0.2"
     html-minifier "^3.2.3"
-    loader-utils "^0.2.16"
-    lodash "^4.17.3"
+    loader-utils "^1.1.0"
+    lodash "^4.17.10"
     pretty-error "^2.0.2"
     tapable "^1.0.0"
-    toposort "^1.0.0"
     util.promisify "1.0.0"
 
 htmlparser2@^3.9.1:
@@ -4863,15 +4867,6 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
-loader-utils@^0.2.16:
-  version "0.2.17"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
-  dependencies:
-    big.js "^3.1.3"
-    emojis-list "^2.0.0"
-    json5 "^0.5.0"
-    object-assign "^4.0.1"
-
 loader-utils@^1.0.2, loader-utils@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
@@ -4952,7 +4947,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.1, lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
+lodash@^4.0.1, lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"