Google and AI visibility audit for your website
Enter your site address: the audit reads your public home page and four technical files, then lists what is in place and what is missing.
The audit checks 14 points that help Google and AI assistants understand and cite your business: HTTPS, title, description, main heading, canonical tag, structured data, marked-up FAQ, sitemap.xml, llms.txt, allowed AI crawlers, mobile readiness, a visible phone number and page weight. Each missing point links to a guide.
In short
- 14 factual findings, each with a “How to fix” link.
- Only your public home page plus robots.txt, llms.txt and sitemap.xml are read; nothing is stored.
- A good score does not guarantee any ranking: it means the technical basics are in place.
What exactly does the audit check?
| Point | What is checked | Why it matters |
|---|---|---|
| HTTPS | The final page is served over https:// | Trust from browsers and search engines |
| Response | HTTP 200 status and response time | A page in error is not indexed |
| Title | Presence and length (50 to 60 characters) | It is the blue link in Google |
| Meta description | Presence and length (140 to 160 characters) | Often shown under the link |
| Main heading (h1) | Exactly one h1 | Clear structure for crawlers |
| Canonical tag | Presence | Avoids duplicate content |
| Structured data | schema.org types found (LocalBusiness, Organization…) | Helps Google understand who you are [1] |
| Marked-up FAQ | FAQPage type | Questions and answers machines can read |
| sitemap.xml | File at the site root | Lists the pages to crawl |
| llms.txt | File at the site root | Summary intended for AI assistants [3] |
| AI crawlers | GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot, Google-Extended… not blocked in robots.txt | A blocked crawler can neither read nor cite your pages [2][4][5][6] |
| Mobile | Viewport tag | Most local searches happen on phones |
| Visible phone | A number in the page text | Customers and AI assistants look for it |
| HTML weight | Under 600 KB of HTML | A heavy page loads slowly |
How do you read your score?
What the audit does not measure
The audit measures neither the quality of your content, your backlinks, your reviews nor your actual Google position. Google reminds site owners that its systems reward helpful, reliable, people-first content [7]. To find out whether AI assistants recommend you, take the AI presence test.
It only reads your home page. Other pages on your site may have other issues. The detailed findings are currently written in French.
Frequently asked questions
Does the audit store my site or my data?
No. The address is read once to produce the result, then nothing is kept. The number of audits per IP address is only limited to prevent abuse.
Do I really need an llms.txt file?
No. It is a recent format proposal, not a requirement, and not every assistant uses it. It is simple to add and helps summarise your business in a controlled way, which is why the audit flags it as something to improve rather than as an error.
Should I allow AI crawlers?
It is your choice. If you want ChatGPT, Claude or Perplexity to read and cite your pages, do not block their crawlers in robots.txt. Each company documents its crawler names and how to block them.
Does a score of 100 guarantee first place in Google?
No. The score only says the technical basics are in place. Ranking depends mostly on how useful your content is, your reputation and the competition.
Why can't my site be read?
The audit refuses private addresses and sites that do not respond within 10 seconds. Check the address (with https://) and that your site is online.
Sources
- Google Search Central, Présentation du fonctionnement des données structurées (accessed on October 15, 2026).
- Google Search Central, Présentation du fichier robots.txt (accessed on October 15, 2026).
- llmstxt.org, The /llms.txt file (accessed on October 15, 2026).
- OpenAI, Overview of OpenAI Crawlers (accessed on October 15, 2026).
- Anthropic, Does Anthropic crawl data from the web, and how can site owners block the crawler? (accessed on October 15, 2026).
- Perplexity, Perplexity Crawlers (accessed on October 15, 2026).
- Google Search Central, Créer du contenu utile, fiable et axé sur les internautes (accessed on October 15, 2026).
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