llvm.org

Ranked #264 of 300 on the Leaderboard. Analyzed .

Index Quotient

62.45

See it on the LeaderboardAnalyze again
75.25
Technical
57.92
Content
38.66
Answers
62.57
AI
77.83
Authority

Technical Health

75.25

Whether search engines can fetch, trust, and quickly load the site.

Strengths

  • SpeedStrong

    Pages load quickly, and the server answers fast.

  • Safe to visitStrong

    Nothing marks this site as unsafe to visit.

Opportunities

  • URL and canonical hygieneWeak

    URLs are working against the site: pages answer at more than one address, and missing pages do not say they are missing.

  • CrawlabilityPartial

    Crawlers can get in, but not everything helps them along: a complete sitemap, working links and pages that are allowed into the index are what to check.

  • Secure connectionPartial

    The connection is encrypted but not fully hardened: steering every visit onto it and sending the standard security headers would finish the job.

Content Quality

57.92

Whether pages say clearly what they are about, in a form machines can read.

Strengths

  • Depth and readabilityStrong

    Pages say enough to be useful, in plain language, and stay on the topic their titles promise.

  • FreshnessStrong

    Something here was published or updated recently, and the site says when.

Opportunities

  • Titles and descriptionsWeak

    Titles and descriptions are thin, repeated across pages, or missing, so search results have little to show for each page.

  • HeadingsWeak

    Pages lack a main heading, or the headings they have are out of order; a page's structure should be readable from its headings alone.

  • Images and linksPartial

    Pages link to one another, though some images lack a description and some link text says "read more" rather than where it leads.

Answer Readiness

38.66

Whether content is shaped and marked up so an engine can lift a direct answer.

Strengths

  • Scannable formattingStrong

    Pages open with a short summary and use lists and tables, so an engine can lift the facts without reading everything.

Opportunities

  • Structured dataWeak

    Little structured data is present, so engines have to infer what each page is rather than being told.

  • Question-and-answer shapePartial

    Some headings are questions with an answer beneath them; more of them, each followed by a short direct answer, is what an answer engine lifts.

  • Navigation aidsMissing

    Pages give no sign of where they sit in the site; a breadcrumb trail on interior pages, in text and in markup, is the fix.

AI Visibility

62.57

Whether AI systems can reach, read, and confidently identify the site.

Strengths

  • AI accessStrong

    AI crawlers are allowed in, and pages may be quoted in AI answers.

Opportunities

  • IdentityWeak

    Little here says who is behind the site, in the markup or on the pages themselves.

  • Readable without JavaScriptPartial

    Most content is readable without running scripts, but some pages arrive thin, or the content is not clearly marked out from the furniture around it.

  • FeedsMissing

    There is no feed and the sitemap carries no dates, so nothing tells a machine when something new appears; a feed is a small addition.

Authority

77.83

Whether the wider web vouches for the site.

Strengths

  • BacklinksStrong

    Plenty of other sites link here, including ones that matter.

  • TrafficStrong

    The site has a large audience.

  • Domain historyStrong

    The domain has a long history, and history counts.

Opportunities

Nothing here to work on. The points left are the ones only the web's largest sites earn.

Nearby on the Leaderboard

  1. #263rust-lang.org62.69
  2. #264llvm.org62.45
  3. #265uchicago.edu62.20

Scores reflect what IndexBot could read from llvm.org's available pages on .

IndexBot

IndexBot is the crawler behind SEO Leaderboard. It visits a website only when someone submits that domain, reads it the way a search engine would, and leaves.

What it does

  • Fetches the homepage, robots.txt, the sitemap, and up to 24 more pages, at most four at a time.
  • Reads raw HTML only. It runs no JavaScript and loads no images, fonts, or scripts.
  • Visits a domain at most once every 24 hours, however many people submit it.
  • Stores what it measured, never full copies of pages.

How it identifies itself

Mozilla/5.0 (compatible; IndexBot/1.0; +https://seoleaderboard.com/bot)

How to let it in

Bot protection often turns IndexBot away before it reads anything, and the domain then cannot be scored. If you run the site, allow the User-Agent IndexBot. In Cloudflare that is a WAF skip rule; most other tools have the same idea under a different name.

(http.user_agent contains "IndexBot")

IndexBot has no fixed IP range to allow instead, so the User-Agent is the only thing to match on. It never tries to disguise itself as a browser, and the limits above are the whole of what it asks for.

How to keep it out

IndexBot obeys robots.txt. Add this and it will not read your site, and your domain cannot be scored.

User-agent: IndexBot
Disallow: /

Questions

Write to bot@seoleaderboard.com.