Web Page Size Checker
Measure the total download size of any web page — free, fast and no sign-up required.
Check a page size
Enter a URL to measure its total download size in bytes and KB.
How it works
Paste the URL
Enter the full address of any public web page you want to measure.
Hit Check
We fetch the page and calculate its total download size instantly.
See the size
View the page weight in bytes and kilobytes at a glance.
About the Web Page Size Checker
The Web Page Size Checker is a free online tool that measures the total download size of any web page. It analyses the page content and reports its overall weight in bytes and kilobytes, giving you a clear picture of how much data a visitor has to download before the page is fully usable. Simply enter a URL, click Check, and you instantly see how heavy the page really is.
Page size is a crucial factor in SEO and performance. Larger pages take longer to load, increase bounce rates and consume more bandwidth, especially on mobile connections. Web developers, designers and site owners use this checker to spot bloated pages, identify bottlenecks and decide where to compress images, minify code or trim scripts — all of which lead to faster loading times, better Core Web Vitals and a stronger search-engine ranking.
What you get
True total page weight
HTML, CSS, JavaScript and images added up into one accurate size.
Breakdown by type
See exactly which resources are heaviest with a visual split and percentages.
SEO insight
Understand how page weight affects loading speed and rankings.
Free & unlimited
Check as many pages as you like, with no login or sign-up.