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Free ToolsPerformancePage Size Checker

Page Size Checker for Website Performance

Measure page size, HTML weight, compression headers, CSS and JavaScript references, image counts, inline code, and caching hints.

⚡ Fast Results 🔒 Privacy Minded 🇨🇦 Built by SmartersWEB

Check page size and weight

Measures the HTML response and counts referenced CSS, JavaScript, and images.
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Why page size matters

Page weight affects load time, mobile usability, hosting cost, crawl efficiency, and conversion. A page can feel slow because of oversized images, too many scripts, uncompressed HTML, heavy inline code, plugin assets, or missing caching headers. This Page Size Checker helps identify whether the page itself is becoming too heavy before deeper performance work begins.

Common page size use cases

Use this tool to review HTML size, compression savings, CSS files, JavaScript files, image references, inline code, and cache-related signals. It is helpful after adding plugins, launching a landing page, uploading product images, embedding third-party scripts, building a portfolio page, or investigating why a page performs poorly on mobile.

This page size checker helps identify pages that may feel heavy for visitors because of large HTML, images, scripts, or style files. Use it when a page feels slow or before sending paid traffic to a landing page.

What to check next

After checking page size, run the Website Speed Test to measure response timing and the HTTP Headers Inspector to review caching and compression headers. If the page is heavy, reduce oversized images, remove unused scripts, enable compression, cache static assets, and review whether plugins or tracking scripts are adding unnecessary weight.

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Common questions

Helpful answers about this tool

What does the Page Size Checker measure?

It reviews the main page size, delivery savings, and the number of style, script, and image references found in the page.

What should I do with a large page?

Compress images, remove unused files, reduce heavy scripts, enable caching, and retest after each meaningful change.