diff --git a/site/cypress/integration/mon-entreprise/english/prerender.ts b/site/cypress/integration/mon-entreprise/english/prerender.ts
index edec098ea..7e7470d26 100644
--- a/site/cypress/integration/mon-entreprise/english/prerender.ts
+++ b/site/cypress/integration/mon-entreprise/english/prerender.ts
@@ -3,42 +3,49 @@ import { fr } from '../../../support/utils'
 type cyType = typeof cy
 type Obj = Record<string, { test: (cy: cyType) => unknown; path: string }[]>
 
+const coutTotalSelector = 'input[id="contrat salarié . prix du travail"]'
+const salaireBrutSelector =
+	'input[id="contrat salarié . rémunération . brut de base"]'
+const salaireNetSelector = 'input[id="contrat salarié . rémunération . net"]'
+const salaireNetApresImpot =
+	'input[id="contrat salarié . rémunération . net après impôt"]'
+
 describe('Test prerender', function () {
 	const testSimuSalaire = (cy: cyType) => {
 		cy.contains('Mensuel')
 		cy.contains('Annuel')
 
 		cy.contains('Coût total')
-		cy.get('input[title="Coût total"]').should('exist')
+		cy.get(coutTotalSelector).should('exist')
 
 		cy.contains('Salaire brut')
-		cy.get('input[title="Salaire brut"]').should('exist')
+		cy.get(salaireBrutSelector).should('exist')
 
 		cy.contains('salaire médian')
 		cy.contains('SMIC')
 
 		cy.contains('Salaire net')
-		cy.get('input[title="Salaire net"]').should('exist')
+		cy.get(salaireNetSelector).should('exist')
 
 		cy.contains('Salaire net après impôt')
-		cy.get('input[title="Salaire net après impôt"]').should('exist')
+		cy.get(salaireNetApresImpot).should('exist')
 	}
 
 	const testSimuSalary = () => {
 		cy.contains('Labor cost')
-		cy.get('input[title="Labor cost"]').should('exist')
+		cy.get(coutTotalSelector).should('exist')
 
 		cy.contains('Gross salary')
-		cy.get('input[title="Gross salary"]').should('exist')
+		cy.get(salaireBrutSelector).should('exist')
 
 		cy.contains('median earnings')
 		cy.contains('SMIC')
 
 		cy.contains('Net salary')
-		cy.get('input[title="Net salary"]').should('exist')
+		cy.get(salaireNetSelector).should('exist')
 
 		cy.contains('Net salary after income tax')
-		cy.get('input[title="Net salary after income tax"]').should('exist')
+		cy.get(salaireNetApresImpot).should('exist')
 	}
 
 	const tests = {
@@ -56,16 +63,18 @@ describe('Test prerender', function () {
 					cy.contains('Annuel')
 
 					cy.contains("Chiffre d'affaires")
-					cy.get('input[title="Chiffre d\'affaires"]').should('exist')
+					cy.get('input[id="entreprise . chiffre d\'affaires"]').should('exist')
 
 					cy.contains('Charges')
 					cy.get('input[id="entreprise . charges"]').should('exist')
 
 					cy.contains('Revenu net')
-					cy.get('input[title="Revenu net"]').should('exist')
+					cy.get('input[id="dirigeant . rémunération . nette"]').should('exist')
 
 					cy.contains('Revenu après impôt')
-					cy.get('input[title="Revenu après impôt"]').should('exist')
+					cy.get(
+						'input[id="dirigeant . rémunération . nette après impôt"]'
+					).should('exist')
 				},
 				path: '/simulateurs/indépendant',
 			},
diff --git a/site/source/components/Simulation/SimulationGoals.tsx b/site/source/components/Simulation/SimulationGoals.tsx
index c884609c3..d0d3d3bfa 100644
--- a/site/source/components/Simulation/SimulationGoals.tsx
+++ b/site/source/components/Simulation/SimulationGoals.tsx
@@ -40,11 +40,15 @@ export function SimulationGoals({
 				publique={publique}
 				role="group"
 				id="simulator-legend"
-				aria-labelledby="simulator-legend"
+				aria-labelledby="simulator-legend-label"
 				aria-live="polite"
 			>
 				<ThemeProvider theme={(theme) => ({ ...theme, darkMode: true })}>
-					<div className="sr-only" aria-hidden="true" id="simulator-legend">
+					<div
+						className="sr-only"
+						aria-hidden="true"
+						id="simulator-legend-label"
+					>
 						{legend}
 					</div>
 					{children}
diff --git a/site/source/components/conversation/ChoicesInput.tsx b/site/source/components/conversation/ChoicesInput.tsx
index da61f78e3..49bcd765f 100644
--- a/site/source/components/conversation/ChoicesInput.tsx
+++ b/site/source/components/conversation/ChoicesInput.tsx
@@ -81,6 +81,8 @@ export function MultipleAnswerInput<Names extends string = DottedName>({
 				onSelectionChange={handleChange}
 				defaultSelectedKey={defaultValue}
 				selectedKey={currentSelection}
+				// eslint-disable-next-line jsx-a11y/no-autofocus
+				autoFocus={props.autoFocus}
 			>
 				{choice.children.map((node) => (
 					<Item
@@ -98,16 +100,17 @@ export function MultipleAnswerInput<Names extends string = DottedName>({
 			<RadioCardGroup
 				onChange={handleChange}
 				value={currentSelection ?? undefined}
-				aria-labelledby={props['aria-labelledby'] || undefined}
 			>
 				{choice.children.map((node) => (
 					<Fragment key={node.dottedName}>
 						<RadioCard
 							// eslint-disable-next-line jsx-a11y/no-autofocus
 							autoFocus={
+								props.autoFocus &&
 								defaultValue ===
-								`'${relativeDottedName(props.dottedName, node.dottedName)}'`
+									`'${relativeDottedName(props.dottedName, node.dottedName)}'`
 							}
+							aria-labelledby={props['aria-labelledby'] || undefined}
 							value={`'${relativeDottedName(
 								props.dottedName,
 								node.dottedName
@@ -132,7 +135,8 @@ export function MultipleAnswerInput<Names extends string = DottedName>({
 		>
 			<RadioChoice
 				// eslint-disable-next-line jsx-a11y/no-autofocus
-				autoFocus={props.autoFocus ? defaultValue : undefined}
+				autoFocus={props.autoFocus}
+				defaultValue={defaultValue}
 				choice={choice}
 				rootDottedName={props.dottedName}
 				type={type}
@@ -143,12 +147,14 @@ export function MultipleAnswerInput<Names extends string = DottedName>({
 
 function RadioChoice<Names extends string = DottedName>({
 	choice,
+	defaultValue,
 	autoFocus,
 	rootDottedName,
 	type,
 }: {
 	choice: Choice
-	autoFocus?: string
+	defaultValue?: string
+	autoFocus?: boolean
 	rootDottedName: Names
 	type: 'radio' | 'toggle'
 }) {
@@ -165,7 +171,7 @@ function RadioChoice<Names extends string = DottedName>({
 					) ? null : 'children' in node ? (
 						<div
 							role="group"
-							aria-describedby={node.dottedName + '-legend'}
+							aria-labelledby={node.dottedName + '-legend'}
 							css={`
 								margin-top: -1rem;
 							`}
@@ -174,6 +180,9 @@ function RadioChoice<Names extends string = DottedName>({
 							<Spacing lg />
 							<StyledSubRadioGroup>
 								<RadioChoice
+									// eslint-disable-next-line jsx-a11y/no-autofocus
+									autoFocus={autoFocus}
+									defaultValue={defaultValue}
 									choice={node}
 									rootDottedName={rootDottedName}
 									type={type}
@@ -185,8 +194,16 @@ function RadioChoice<Names extends string = DottedName>({
 							<Radio
 								// eslint-disable-next-line jsx-a11y/no-autofocus
 								autoFocus={
-									autoFocus ===
-									`'${relativeDottedName(rootDottedName, node.dottedName)}'`
+									// Doit autoFocus si correspond à la valeur par défaut
+									(defaultValue &&
+										defaultValue ===
+											`'${relativeDottedName(
+												rootDottedName,
+												node.dottedName
+											)}'` &&
+										autoFocus) ||
+									// Sinon doit autoFocus automatiquement
+									autoFocus
 								}
 								value={`'${relativeDottedName(
 									rootDottedName,
@@ -200,6 +217,7 @@ function RadioChoice<Names extends string = DottedName>({
 								<ExplicableRule
 									light
 									dottedName={node.dottedName as DottedName}
+									aria-label={`En savoir plus sur ${node.title}`}
 								/>
 							)}
 						</span>
diff --git a/site/source/components/conversation/Conversation.tsx b/site/source/components/conversation/Conversation.tsx
index 71067d6de..cfbefd9ac 100644
--- a/site/source/components/conversation/Conversation.tsx
+++ b/site/source/components/conversation/Conversation.tsx
@@ -73,11 +73,6 @@ export default function Conversation({
 		)
 	}
 
-	const questionLabel = evaluateQuestion(
-		engine,
-		engine.getRule(currentQuestion)
-	)
-
 	return (
 		<>
 			<div className="print-only">
@@ -107,9 +102,13 @@ export default function Conversation({
 									align-items: baseline;
 								`}
 							>
-								<H3>
-									{questionLabel}
-									<ExplicableRule light dottedName={currentQuestion} />
+								<H3 id="questionHeader">
+									{evaluateQuestion(engine, engine.getRule(currentQuestion))}
+									<ExplicableRule
+										aria-label="En savoir plus"
+										light
+										dottedName={currentQuestion}
+									/>
 								</H3>
 							</div>
 							<fieldset>
@@ -118,7 +117,7 @@ export default function Conversation({
 									onChange={onChange}
 									key={currentQuestion}
 									onSubmit={goToNextQuestion}
-									aria-label={questionLabel}
+									aria-labelledby="questionHeader"
 								/>
 							</fieldset>
 							<Spacing md />
diff --git a/site/source/components/conversation/Explicable.tsx b/site/source/components/conversation/Explicable.tsx
index bbe723447..2ff851063 100644
--- a/site/source/components/conversation/Explicable.tsx
+++ b/site/source/components/conversation/Explicable.tsx
@@ -10,6 +10,7 @@ export function ExplicableRule<Names extends string = DottedName>({
 	dottedName,
 	light,
 	bigPopover,
+	...props
 }: {
 	dottedName: Names
 	light?: boolean
@@ -37,6 +38,7 @@ export function ExplicableRule<Names extends string = DottedName>({
 			light={light}
 			bigPopover={bigPopover}
 			className="print-hidden"
+			{...props}
 		>
 			<Markdown>{rule.rawNode.description}</Markdown>
 			{rule.rawNode.références && (
diff --git a/site/source/components/conversation/InputSuggestions.tsx b/site/source/components/conversation/InputSuggestions.tsx
index 9f6191383..3c847d759 100644
--- a/site/source/components/conversation/InputSuggestions.tsx
+++ b/site/source/components/conversation/InputSuggestions.tsx
@@ -38,7 +38,7 @@ export default function InputSuggestions({
 								onSecondClick && onSecondClick(value)
 							}
 						}}
-						title={t('cliquez pour insérer cette suggestion')}
+						aria-label={`${t('Insérer la suggestion')} : ${text}`}
 					>
 						{text}
 					</Link>
diff --git a/site/source/components/conversation/RuleInput.tsx b/site/source/components/conversation/RuleInput.tsx
index 2559dd1a6..8a255e640 100644
--- a/site/source/components/conversation/RuleInput.tsx
+++ b/site/source/components/conversation/RuleInput.tsx
@@ -159,6 +159,10 @@ export default function RuleInput<Names extends string = DottedName>({
 		)
 	}
 
+	// Pas de title sur NumberInput pour avoir une bonne expérience avec
+	// lecteur d'écran
+	delete commonProps.title
+
 	return (
 		<NumberInput
 			{...commonProps}
diff --git a/site/source/components/conversation/select/SelectTauxRisque.tsx b/site/source/components/conversation/select/SelectTauxRisque.tsx
index 16acc2360..721ed2b32 100644
--- a/site/source/components/conversation/select/SelectTauxRisque.tsx
+++ b/site/source/components/conversation/select/SelectTauxRisque.tsx
@@ -63,6 +63,7 @@ function SelectComponent({
 			<TextField
 				type="search"
 				placeholder={t("Saisissez votre domaine d'activité")}
+				// eslint-disable-next-line jsx-a11y/no-autofocus
 				autoFocus={autoFocus}
 				errorMessage={
 					searchResults &&
@@ -161,7 +162,5 @@ export default function SelectAtmp(
 			)
 	}, [])
 
-	if (!options) return null
-
-	return <SelectComponent {...props} options={options} />
+	return <SelectComponent {...props} options={options || []} />
 }
diff --git a/site/source/design-system/buttons/ButtonHelp.tsx b/site/source/design-system/buttons/ButtonHelp.tsx
index cfb4a10d3..cb0ea943d 100644
--- a/site/source/design-system/buttons/ButtonHelp.tsx
+++ b/site/source/design-system/buttons/ButtonHelp.tsx
@@ -20,11 +20,17 @@ export default function ButtonHelp({
 	light,
 	bigPopover,
 	className,
+	...props
 }: ButtonHelpProps) {
 	return (
 		<PopoverWithTrigger
 			trigger={(buttonProps) => (
-				<StyledButton $light={light} className={className} {...buttonProps}>
+				<StyledButton
+					$light={light}
+					className={className}
+					{...buttonProps}
+					{...props}
+				>
 					<CircleIcon
 						aria-hidden="true"
 						width="24"
diff --git a/site/source/locales/ui-en.yaml b/site/source/locales/ui-en.yaml
index 9ba1554da..718817c48 100644
--- a/site/source/locales/ui-en.yaml
+++ b/site/source/locales/ui-en.yaml
@@ -446,7 +446,7 @@ checklist:
     open: Hide details
 cible: target
 clickexample: Click on a situation to see the result
-cliquez pour insérer cette suggestion: click to insert this suggestion
+Insérer la suggestion: Insert the suggestion
 comparaisonRégimes:
   ACRE: <0>ACRE</0><1>1 year <1>(automatic and unconditional)</1></1><2>Between 3
     and 4 quarters <2>(subject to eligibility requirements)</2></2>