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Page Size Checker
Measure the total weight of your web pages and identify what slows your site down.
Measure the size of any web page
Page size directly affects loading speed. A 5MB page loads much slower than 500KB — especially on mobile. Google includes loading speed in ranking factors, so heavy pages are an SEO handicap.
How to use it
- Enter the page URL to measure
- Get total size in KB/MB
Target sizes
- Under 1MB — excellent, fast even on mobile
- 1-3MB — acceptable but optimizable
- Over 3MB — too heavy, negative impact on speed and SEO
Images often account for 60-80% of page weight. Compress to WebP/AVIF and use lazy loading.
FAQ
Does page size affect SEO?
Yes, indirectly. Google measures Core Web Vitals (LCP, INP, CLS) and heavy pages degrade LCP. Since 2021, these metrics are an official ranking factor.
