The rules

Every check in a Legibility report, what it looks for, why it matters to an AI assistant, and how to pass it. Each category scores on its own; within one, a check counts for its weight. A weight of 0 is information only: it shows up in the report and never moves the score.

Access weight 20

Can they get in?

• Search and answer bots are allowed robots 30
• Your firewall lets bots in edge 30
• Pages can be indexed and quoted directives 25
• One https address host 10
• IndexNow indexnow 10
• A fast home page speed 5
• Content signals contentsignal 0

Readability weight 15

Can they read it?

• Readable without JavaScript content 35
• Headings and landmarks structure 25
• No walls before the content walls 20
• Language and encoding language 10
• More text than markup ratio 10
• Images aren’t the text textnotimages 10
• Images have alt text alt 10
• A plain-text version markdown 0

Identity weight 20

Do they know what you are?

• Structured identity structured 30
• One name, everywhere consistency 25
• The identity’s details fields 20
• Every page points home graph 15
• An about page about 15
• Title, description, and canonical metadata 10
• Link previews og 10
• Articles have authors author 10
• Profiles that resolve sameas-resolve 10

Coverage weight 20

Is the whole site findable?

• Sitemap pages load pages 35
• A sitemap sitemap 25
• A feed feed 15
• Recently updated freshness 15
• Missing pages are 404s notfound 10
• Articles are dated dates 10
• Linked from the home page links 10
• An llms.txt file llmstxt 0

Authority weight 25

Has anyone independent said you exist?

• A Wikidata item wikidata 20
• Directory listings listings 20
• In Common Crawl corpus 15
• Pages cite their sources citations 15
• Mentioned on Wikipedia wikipedia 10
• Mentioned on Hacker News mentions 10
• Profiles link back reciprocity 10
• On the web since archive 0