On-Page SEO Checker

An on-page SEO checker fetches one URL and tests the elements you control on the page: title, meta description, H1, canonical, robots directives, heading outline, image alt text, links and content length. It reports what is present and what needs attention.

It checks one page against practical basics. It does not score quality or predict rankings.

This tool fetches the address you enter once, from our server, and reports what a crawler would receive. The URL is not stored; only a short-lived rate-limit counter is kept. Results show the page at the moment of the check and can differ from what a logged-in browser or a bot with different headers sees.

How to read the result and act on it

The report lists elements on the URL that you control, such as title, meta description, H1, canonical, robots directives, headings and links. Start with blockers: a noindex directive, a canonical pointing elsewhere, a missing title or no H1. Then review the wording of the title, description and headings to make sure they describe the page and match the search intent. Look at warnings in context, since a short title can be fine if it is clear. Fix issues in your CMS, republish and run the check again. Treat the report as a hygiene review, then spend the bulk of your effort on whether the page answers the query better than the pages currently shown.

Common mistakes to avoid

Do not chase a perfect score. A page can pass every item and still not rank, because content quality, links, intent and competition matter. Another mistake is applying a rule blindly, such as lengthening a title that already works. Avoid ignoring warnings about robots or canonical tags, which can quietly stop a page appearing in results. Remember that the fetch reads the HTML returned by the server, so elements added by JavaScript may not appear. Do not run the check once and forget it; templates, plugins and migrations can change tags across many pages. Finally, compare results against what Search Console says about indexing and queries.

What are the most important on-page elements?

A unique title, a clear H1, helpful content that matches intent, working internal links and an indexable, canonical URL.

Does a perfect on-page score mean I will rank?

No. Ranking also depends on content quality, competition, links and many other signals.

How often should I run an on-page SEO check?

Run it when you publish or update a page, after site migrations or template changes, and periodically for key pages. A scheduled review catches plugin or theme updates that alter tags.

What should I fix first on a page?

Fix anything that blocks indexing, such as noindex or a wrong canonical, then correct the title, H1 and content issues. Cosmetic improvements come after the page is crawlable and clearly on topic.

• Page Headings Extractor: Fetch any URL and list its H1 to H6 headings in order, with a quick structure check.
• Indexability Checker: Run all indexing checks on a URL: status, redirects, robots rules, meta robots, headers and canonical.
• Image Alt Checker: Fetch a page and list every image with missing, empty or long alt text.

Browse all 27 free content tools, or see the full free SEO toolbox. If you would rather have this handled for you, take a look at our content optimisation services and the results from real projects.