Morgan Dutemple
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SEO/GEO

SEO Diagnostic — far more than PageSpeed

PageSpeed Insights measures performance. This diagnostic goes further: SEO tags, crawlability, GEO signals (llms.txt, citable passages for AI), content structure. Up to 3 pages analysed in parallel with side-by-side comparison.

How to use this tool

  1. 1Enter up to 3 URLs to analyse (same site or different sites)
  2. 2Run the diagnostic — pages are analysed in parallel
  3. 3Review results: scores, SEO tags, technical, GEO signals
  4. 4Compare pages side by side and receive the report by email

Why it matters

PageSpeed Insights only measures performance. This diagnostic also covers SEO tags (title, description, H1, canonical, Open Graph), crawlability (robots.txt, sitemap, HTTPS), GEO signals (llms.txt, AI-citable passages), and content structure. It's a comprehensive first-level analysis before investing in a full audit.

Frequently asked questions

What are the most important SEO elements to check?
In order of priority: the title tag (50-60 characters, target keyword near the start), the meta description (150-160 characters), a unique and descriptive H1, correctly configured canonical tags, and the absence of unintentional noindex directives.
What is the ideal length for an SEO title tag?
Between 50 and 60 characters to avoid truncation in Google SERPs. The main keyword should appear at the start. Beyond 60 characters, Google may rewrite the displayed title based on its own content analysis.
Does the meta description affect Google rankings?
Not directly: Google has confirmed that meta descriptions are not a ranking factor. However, a well-written meta description improves click-through rate (CTR) from search results, which indirectly affects visibility.