Crawlsonar

On-Page SEO Checker

Analyse a page’s on-page SEO — title, meta description, canonical, headings, viewport, Open Graph, image alt and anchor text — with fixes for what’s missing.

The on-page basics

  • Title (~50–60 chars) — your clickable headline in search.
  • Meta description (50–160) — controls the snippet.
  • Canonical — consolidates duplicate URLs.
  • One H1, logical heading order, lang and a mobile viewport.
  • Open Graph for share previews; descriptive alt text and anchor text.

Related

Frequently asked questions

What on-page factors does it check?

Title, meta description, canonical, heading structure, viewport, Open Graph, image alt text and anchor text.

Does on-page SEO still matter?

Yes — clear titles, descriptions and headings drive click-through and help both search engines and AI systems understand your page.