Measure any webpage HTML size — total bytes, script/style/whitespace breakdown, and resource counts.
Type the full URL of the page you want to check, including https://.
Click Check. The tool fetches the page and measures its total download size.
See the total page size, plus a breakdown by resource type — HTML, CSS, JavaScript, images, fonts, and other assets.
Large pages load slowly on mobile. Use this to identify which assets are contributing most to page weight.
The Page Size Checker is part of LaiUse's growing collection of developer tools, programming, code formatter, json tools, regex. Like every tool on LaiUse, it runs entirely in your browser — meaning your data, files, and inputs stay on your device throughout the entire process.
LaiUse offers Developer tools alongside json formatter, json path query, cron expression parser. The entire platform is free to use with no signup required, making it a popular choice for developers, designers, and everyday users who need a quick tool without the overhead of a SaaS subscription.
Whether you need the page size checker for a one-off task or as part of your regular workflow, LaiUse is designed to be fast, reliable, and private. Bookmark this page to come back anytime, or explore the rest of the Developer category for related tools.
Yes. LaiUse is free to use without an account. Most tools have no limits and run entirely in your browser. AI and server-side tools require a Pro subscription.
No. All free tools work without an account. You can sign up to earn rewards, request new tools, and access Pro features.
Yes. Browser-based tools process everything locally on your device — your files and data never leave your computer. Server-side tools are clearly marked.