agentspeed.

duolingo.com

scanné le 27/07/2026 13:41:31 · en cache · actualisation dans 21 h · rubric 2026.08.1
robots.txt present: passrobots.txt allows AI agents: passContent-Signal directives: failllms.txt present: passSitemap present: failLink response headers: failCanonical URL: passMCP server card: failOAuth authorization metadata: failOAuth resource metadata: failAPI catalog / OpenAPI: failWeb Bot Auth: failMarkdown negotiation: failText-to-markup ratio: failContent without JavaScript: warnHeading hierarchy: failCookie wall blocks content: failDeclared language: failPage title: passMeta description: passJSON-LD present: failStructured data validates: skipSchema type coverage: passPaywall / login wall: passAgent Skills manifest: failWebMCP actions: failPrimary action reachable: failReachability: passTime to first byte: passFull render time: skipPage weight: pass51/ 100 · F
À risque

Voici comment les agents IA (et non les navigateurs) perçoivent duolingo.com. Le score pondère cinq catégories de lisibilité machine ; les graduations de l’arc sont les 31 vérifications individuelles derrière.

Découvrabilité
36
Lisibilité
45
Données structurées
33
Actionnabilité
50
Performance
100

✉ Recevoir ce rapport par e-mail + être alerté des changements ↓

Les détails techniques des vérifications sont en anglais — ils proviennent directement du scanner.

Corrections prioritaires

failSitemap presentDécouvrabilité

No reachable sitemap.xml. Publish one and reference it in robots.txt.

Correction: Publish /sitemap.xml and reference it from robots.txt with a Sitemap: line.

failCookie wall blocks contentLisibilité

Consent modal detected and primary content is sparse, likely covering it. Defer the modal until after content paint.

Correction: Defer cookie consent overlay until after content is visible, or render behind the primary content. Agents without JS or with ad-blocking profiles see a blank page otherwise.

failJSON-LD presentDonnées structurées

No JSON-LD blocks found. Add a <script type="application/ld+json"> with a schema.org type for this page.

Correction: Add a <script type="application/ld+json"> describing the page (Organization, Article, Product, FAQPage).

failPrimary action reachableActionnabilité

Page text too sparse to probe; agent has nothing to read.

Correction: If agents cannot identify what you sell within 3 steps, your primary-offer page is under-structured. Add a visible headline, price (or "contact us"), and canonical CTA.

failLink response headersDécouvrabilité

No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.

Correction: Emit `Link:` headers for canonical, alternate-language, and describedby relations. Agents that fetch HEAD-only or stream-render rely on these.

failText-to-markup ratioLisibilité

Visible text is 0.1% of HTML weight (8/11248 bytes). Low. Markup may be crowding out agent-usable text.

Correction: Heavy ad or navigation markup crowds out agent-usable text. Aim for a text-to-DOM ratio above 15%.

Ne perdez pas ce rapport

Recevez-le dans votre boîte mail — et une alerte dès que le score de duolingo.com change. Gratuit, désinscription à tout moment.

Corriger

Des fichiers générés, prêts à déployer, pour les lacunes ci-dessus — copiez-les ou téléchargez-les dans votre dépôt.

Add JSON-LD structured data
Paste inside <head>. Use Article/Product instead of Organization on those page types.
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "Duolingo",
  "url": "https://duolingo.com/",
  "description": "Duolingo is the world"
}
</script>
Does AI actually recommend duolingo.com?

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Ce scan a noté une page. Votre site en compte bien plus.

Seule la page d’accueil a été notée. Vos tarifs, votre documentation et votre paiement vivent sur d’autres pages — celles que les assistants citent quand ils vous recommandent. Un 51/100 ici signifie que des agents ratent déjà des choses sur votre meilleure page. Le Deep Scan ($29) audite tout le site sur les 31 vérifications et envoie un PDF listant chaque échec et sa correction exacte, classés selon ce qui vous coûte le plus de visibilité. Paiement unique, livré en quelques minutes, sans abonnement.

Commander le Deep Scan →

Ce que l’agent reçoit

The agent’s-eye view
Duolingo

Affichez votre score

Intégrez ce badge sur votre site. Il renvoie vers ce scan en direct et se met à jour à chaque rescan.

AgentSpeed score for duolingo.com
<a href="https://agentspeed.com/scan/duolingo.com"><img src="https://agentspeed.com/badge/duolingo.com" alt="AgentSpeed agent-readiness score" height="56"></a>

Suivre ce score

Recevez ce rapport par e-mail, puis une alerte quand la compatibilité agents de duolingo.com change vraiment — une vérification qui régresse, ou le score global qui baisse.

Deux choses ne déclenchent jamais d’e-mail : un changement de score dû à la publication d’une nouvelle grille (c’est un autre instrument de mesure, pas un changement de votre site), et un mouvement expliqué uniquement par des vérifications dépendantes du temps, qui varient d’un passage à l’autre.

Vous préférez votre propre rythme, avec Slack ou un webhook plutôt que l’e-mail ? Le suivi de dérive du score est inclus dans toutes les offres payantes.

Ce score dit si un agent IA pourrait lire duolingo.com. L’analytics du trafic IA dit si un agent est réellement venu — et quelles pages l’ont fait fuir.

Détail complet

11 pass1 warn17 fail2 skip
Découvrabilité
pass
robots.txt present
A robots.txt is reachable at the site root.
100/100
pass
robots.txt allows AI agents
All 9 answer-time access agents allowed.
100/100
fail
Content-Signal directivesemerging
No Content-Signal directives. Add e.g. `Content-Signal: ai-train=no, ai-summarize=yes` to declare granular AI usage policy beyond binary allow/disallow.
0/100
pass
llms.txt present
Found /llms.txt but missing H1 header and markdown links. Not scored.
100/100
fail
Sitemap present
No reachable sitemap.xml. Publish one and reference it in robots.txt.
0/100
fail
Link response headers
No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.
0/100
pass
Canonical URL
Canonical points to self: https://www.duolingo.com/.
100/100
fail
MCP server cardemerging
No valid MCP Server Card at /.well-known/mcp/server-card.json. Publish one so agents can discover your tools without HTML scraping.
0/100
fail
OAuth authorization metadataemerging
No RFC 8414 metadata at /.well-known/oauth-authorization-server. Agents that act on behalf of users need this to discover your authorization endpoints.
0/100
fail
OAuth resource metadataemerging
No RFC 9728 metadata at /.well-known/oauth-protected-resource. Publish it so agents can discover required scopes without hand-coded credentials.
0/100
fail
API catalog / OpenAPIemerging
No /.well-known/api-catalog (RFC 9727) and no /openapi.json|yaml. Publish one so agents that integrate with APIs can discover your endpoints.
0/100
fail
Web Bot Authemerging
No Web Bot Auth JWKS at /.well-known/http-message-signatures-directory.json. Publish one to allow trusted agents while keeping a default-deny posture for the rest.
0/100
Lisibilité
fail
Markdown negotiationemerging
Accept: text/markdown returns HTML, not markdown. Serve a markdown variant of primary content when requested; agents summarize and cite it more reliably.
0/100
fail
Text-to-markup ratio
Visible text is 0.1% of HTML weight (8/11248 bytes). Low. Markup may be crowding out agent-usable text.
1/100
warn
Content without JavaScript
Browser pass unavailable; HTML looks like a JS-shell (e.g. #__next / #root). Likely JS-dependent.
50/100
fail
Heading hierarchy
No headings found. Add at least an <h1>; structure helps agents summarise.
0/100
fail
Cookie wall blocks content
Consent modal detected and primary content is sparse, likely covering it. Defer the modal until after content paint.
20/100
fail
Declared language
No lang attribute on <html>. Agents cannot tell what language this document is in without guessing from the content — declare it: <html lang="en">, <html lang="de-DE">.
0/100
pass
Page title
A concise <title> is present (8 chars).
100/100
pass
Meta description
A well-sized meta description is present (148 chars).
100/100
Données structurées
fail
JSON-LD present
No JSON-LD blocks found. Add a <script type="application/ld+json"> with a schema.org type for this page.
0/100
skip
Structured data validates
No JSON-LD blocks present; nothing to validate (covered by structured_data.jsonld_present).
—
pass
Schema type coverage
Page intent unclear; no specific schema.org type expected.
100/100
Actionnabilité
pass
Paywall / login wall
No paywall or login-wall detected on the landing URL.
100/100
fail
Agent Skills manifestemerging
No Agent Skills manifest at /.well-known/agent-skills.json. Enumerate the tasks agents can perform (search, add-to-cart, contact-support) so they pick the right one without scraping.
0/100
fail
WebMCP actionsemerging
No WebMCP detected. On pages with first-class actions (cart, support, account), embed a WebMCP server so on-page agents invoke tools directly.
0/100
fail
Primary action reachable
Page text too sparse to probe; agent has nothing to read.
0/100
pass
Reachability
HTTP 200 after 1 redirect.
100/100
Performance
pass
Time to first byte
TTFB 44ms. Healthy.
100/100
skip
Full render time
Full-render time unavailable (browser pass skipped or failed).
—
pass
Page weight
Initial document is a lean 11 KB.
100/100
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