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How to audit a page's on-page SEO, canonical tag and AI citation score: python.org/about/ across 4 tools

When a public page omits a self-referencing rel="canonical" link, hides links behind javascript: URLs, or publishes only site-wide WebSite schema instead of page-level Article or FAQPage markup, both classical search crawlers and AI answer engines lose clear signals about what to index and cite. We audited https://www.python.org/about/ across 4 SEO tools to compare on-page HTML inspection, canonical-tag detection, and AI citation scoring.

By OpenKrill. Published 2026-10-20. Every HTTP status, rule finding and citation score below comes from live calls to SEO Audit (https://seoaudit.openkrill.app/mcp) and rival packages on 2026-10-20 between 06:20 and 09:45 UTC.

The short answer

On 2026-10-20, calling audit_page on https://www.python.org/about/ returned in 1,380 ms and found 4 actionable issues on an otherwise indexable 680-word page: 1 medium-severity finding (3 javascript: links that crawlers cannot follow) and 3 low-severity findings (no rel="canonical" tag, 2 generic internal anchor labels such as "More", and 1 image missing explicit width and height attributes). Running score_page_citation on the same URL returned a 53 / 100 AI citation readiness score in 1,220 ms, showing how adding question headings (+11 points), a 2-question FAQ block (+11 points), a sourced number (+8 points) and an author byline (+8 points) would lift the page by 38 points. You can run a site-wide AI crawler check in the browser on AI Search Audit or browse the workflow on tools for SEO specialists.

Step 1: Inspect title, description, canonical tag and crawlable links with audit_page

Call audit_page on https://seoaudit.openkrill.app/mcp with any public URL. The server fetches the raw HTML with robots.txt respected and without executing client-side JavaScript, matching what non-rendering crawlers see:

{"method":"tools/call","params":{"name":"audit_page","arguments":{"url":"https://www.python.org/about/"}}}

In 1,380 ms, audit_page extracted the page's core metadata and matched every failed rule to its official Google Search Central or web.dev documentation URL:

  • Page metadata: HTTP 200, indexable: true, language: "en", wordCount: 680, internalLinks: 139, redirects: 0, title: "About Python™ | Python.org" (titleLength: 26), description: "The official home of the Python Programming Language" (descriptionLength: 52), 1 <h1> heading, 1 image (with alt text, missing dimensions) and structuredDataTypes: ["WebSite"].
  • Medium finding (uncrawlable_links): 3 javascript: links on the page. Fix: use an <a> element with a real href address so crawlers can follow it.
  • Low finding (canonical_missing): No rel="canonical" link element in <head>. Fix: add a self-referencing canonical tag to every indexable page so query parameters or protocol variants consolidate cleanly.
  • Low finding (generic_anchors): 2 links, such as "More". Fix: replace generic labels with anchor text that names the destination page.
  • Low finding (images_dimensions): 1 of 1 images lacks explicit width and height attributes, which can cause Cumulative Layout Shift (CLS) while loading.

Step 2: Score AI citation readiness and site-wide AI crawler access

To check how well a single page is structured for answer engines to quote, call score_page_citation:

{"method":"tools/call","params":{"name":"score_page_citation","arguments":{"url":"https://www.python.org/about/"}}}

In 1,220 ms, score_page_citation graded https://www.python.org/about/ at 53 / 100 across 10 weighted checks: it earned full marks on answer_first (14/14, 12-word opening sentence), lists_tables (11/11, 27 list items), short_sentences (9/9, median 20 words, 73 percent at 25 words or fewer) and freshness (8/8, newest date 2026-10-19), partial marks on structured_data (6/11, only site-level WebSite schema) and heading_hierarchy (5/9), and 0 points on question_headings (0/11), faq_block (0/11), cited_numbers (0/8) and author_line (0/8).

For a domain-level check across up to 10 pages, call audit_ai_search:

{"method":"tools/call","params":{"name":"audit_ai_search","arguments":{"domain":"python.org"}}}

In 2,078 ms (reading 10 pages in 16 requests), audit_ai_search scored python.org at 4 / 12 (2 pass, 4 partial, 6 fail): robots.txt allows Googlebot, GPTBot, OAI-SearchBot, ClaudeBot and PerplexityBot at / and the homepage renders 1,101 words without JavaScript, but https://www.python.org/llms.txt returns HTTP 404 and /download/alternatives/ has no structured comparison table.

How 4 SEO audit tools compared on python.org/about/

We ran the same single-page check across 4 tools on 2026-10-20 (see also our AI crawler audit tools comparison):

ToolResult on python.org/about/Wall timeSetupScore
OpenKrill SEO Audit (audit_page)Exact title (26 chars), description (52 chars), 1 H1, 680 words, 1 image, WebSite JSON-LD; flags missing canonical, 3 javascript: links, 2 generic anchors and missing image dimensions with Google Search Central links1,380 msNone (remote MCP or web page)9.0 / 10
SiteAudit MCP (vdalhambra/siteaudit-mcp)Score 91; flags short title, short description and missing canonical across 8 passed checks, but omits rule source URLs2,857 ms (2,014 ms startup + 843 ms call)Local package install8.2 / 10
python-seo-analyzer (pyseoanalyzer)Misreports og:title ("Welcome to Python.org") as the page title, counts 211 words instead of 680, misses the absent canonical tag, and emits 180+ low-value anchor title warnings2,011 ms (after switching from Python 3.15 to 3.12)Local Python CLI install6.2 / 10
Seobility SEO Checker (freetools.seobility.net)Not run: blocked by an HTTP 403 Cloudflare JavaScript challengenot runInteractive browser requirednot run

How to connect SEO Audit in your AI client

Connect https://seoaudit.openkrill.app/mcp directly, or follow the step-by-step setup guides for SEO Audit in ChatGPT, SEO Audit in Claude, SEO Audit in Cursor and SEO Audit in Pi.

Frequently asked questions

What SEO problems does this web page have, and how do I fix them?

Pass the URL to audit_page on https://seoaudit.openkrill.app/mcp. On https://www.python.org/about/, audit_page returned in 1,380 ms and flagged 4 issues with exact fixes: replace 3 javascript: links with crawlable href links, add a self-referencing rel=canonical tag, rewrite 2 generic anchor labels such as "More", and add width and height attributes to the page's image.

Is my page missing a canonical tag or other on-page SEO basics?

Call audit_page with your URL to inspect its rel=canonical link, title tag, meta description, H1 count, word count, image alt text and dimensions, and JSON-LD structured data types in a single call. If the page is indexable and lacks a canonical link in the HTML head, audit_page triggers the canonical_missing rule and links Google's duplicate-URL consolidation guide.

What is a free tool that audits a page's title, meta description and headings for SEO?

OpenKrill's SEO Audit MCP server at https://seoaudit.openkrill.app/mcp is free and requires no API key or signup. It includes audit_page for single-URL checks, audit_site for crawling up to 25 pages with robots.txt respected, score_page_citation for 0-to-100 AI citation readiness scoring, and audit_ai_search (also available on the web at tools.openkrill.app/ai-search-audit).

What is the difference between audit_page and score_page_citation?

audit_page checks technical and on-page search fundamentals from Google Search Central and web.dev (indexability, canonical links, crawlable anchors, headings, meta tags and image dimensions). score_page_citation grades 10 structural habits that make a page easy to quote in answer engines (opening with a direct answer, question headings, an FAQ block, page-level JSON-LD, lists or tables, short sentences, sourced numbers, recent dates and an author byline) on a 100-point scale.

Sources