Page Size Analyzer

Analyze the total size of any web page. Break down HTML, CSS, JS, images, and other resources. Identify heavy assets slowing your site.

Help Us Improve
Be the first to rate!

Page Size Analyzer measures the total weight of any web page by fetching the HTML and analyzing headers. See the raw and compressed transfer sizes, detect gzip/brotli compression, measure response time, and get recommendations for reducing page weight to improve Core Web Vitals.

How it works

  1. 1Enter the URL you want to analyze
  2. 2Click Analyze
  3. 3View total size, compression ratio, and response time
  4. 4Follow the optimization recommendations

Who uses this tool

  • ✓Developers checking page weight before and after optimizations
  • ✓SEO professionals auditing page speed factors
  • ✓Performance engineers monitoring production page sizes
  • ✓Web designers checking if their design assets are too heavy
  • ✓Agencies comparing client site performance over time

Frequently Asked Questions

What is page size?
Page size is the total amount of data transferred when a browser loads a page. Smaller pages load faster and rank better in search.
What is a good page size?
Under 500KB is ideal. Pages over 2MB are considered heavy and will noticeably slow on mobile connections.
Does it measure all resources?
The tool measures the HTML document size. For a full resource waterfall, use browser DevTools or tools like WebPageTest.

Related Tools

Site Checker

Run a full website security and performance check. Anal…

HTTP Headers Viewer

View all HTTP response headers for any URL instantly. C…

Redirect Checker

Trace the complete redirect chain for any URL. See ever…

Robots.txt Analyzer

Fetch and analyze any website's robots.txt file. See al…

Sitemap Checker

Fetch and validate any XML sitemap. See all URLs, detec…