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Page Size Checker: Web Page Weight

Measure the HTML size of any web page in bytes and kilobytes. Heavy pages load slower.

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Page Size Checker


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About Page Size Checker

Page Size Checker downloads a page's HTML and reports its size. Large HTML often comes from page builders, inline code or huge menus and slows down loading, especially on mobile. Keep pages lean, then check images and scripts with a full speed test.

How to use the Page Size Checker

  1. 1Enter the web address you want to check, for example example.com, in the box above.
  2. 2Click the button to run the check. Most results appear within a few seconds.
  3. 3Read the results, then use Try New URL to test another page or a competitor.

Frequently asked questions

What is a good page size?

Keep the HTML under about 100–200 KB if you can. The full page with images and scripts should ideally stay under 2–3 MB, and much less on mobile.

Does page size affect SEO?

Indirectly. Heavy pages load slower, which hurts Core Web Vitals and makes visitors leave. Compress images, remove unused plugins and limit page-builder bloat.

Free tool by Blue Mint · Updated November 2026

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