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HTML Tag Analyzer

See the structure of an HTML page: headings, links, images, forms and tags.

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How to use the html tag analyzer

Paste the HTML of a page and the analyzer breaks it down: the heading outline from H1 to H6, every link marked internal or external, every image and whether it has alt text, each form with its method and number of fields, and how often each tag is used. It's a quick way to understand or audit a page you didn't write.

  1. Paste the page's HTML (in your browser, use View Page Source and copy it), or upload an .html file.
  2. Review the heading outline, links, images and forms.
  3. Check the tag distribution and the notes on images without alt text and links without text.

When to use it

  • Content audits

    Check the heading outline and links of a page before publishing.

  • Inherited code

    Get an overview of a template or page you didn't build.

  • Link checks

    List all external links on a page in one place.

Frequently asked questions

What does the analyzer report?

The heading outline (H1 to H6), all links marked internal or external, images with their alt text status, forms with their action, method and number of fields, and a count of each HTML tag.

Can I analyze a live URL?

Paste the page's HTML instead: open the page, choose View Page Source, then copy and paste it. Browsers don't let one website read another site's HTML directly.

Does it run the page's JavaScript?

No. It reads the HTML as written, so content added later by scripts isn't included.

Does it validate my HTML?

No, it describes the structure. For accessibility and SEO problems, use the HTML Accessibility Checker and HTML SEO Checker.

Is my HTML uploaded?

No. Everything runs in your browser; nothing you paste or upload is sent to our servers.