Page Size Analyzer
SEO.io
Analyze webpage size and resource breakdown. Enter a URL to fetch and measure page weight.Updated 2026-03-11
⚠️ Note: This tool fetches the HTML only. For full resource analysis (CSS, JS, images), use browser DevTools Network tab or tools like GTmetrix/PageSpeed Insights.
Frequently Asked Questions
Is this tool free to use?
Yes, completely free. All processing happens in your browser — no data is sent to any server.
Do I need to create an account?
No account or signup required. Just open the tool and start using it immediately.
Is my data safe?
Yes. Everything runs locally in your browser. Your data never leaves your device.
How to Use
- Review score and issue breakdown
- Enter your URL or paste content
- Export report for your team
- Wait for analysis (2-5 seconds)
FAQ
Does it check what Google checks?
Analyzes factors known to influence rankings based on Google documentation and research.
Can I check competitor pages?
Yes, analyze any publicly accessible URL to understand what top pages do right.
How do I fix the issues found?
Each issue has a specific recommendation. Follow them in priority order.
How often should I run this check?
After significant content or technical changes. Weekly checks help catch issues early.
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