Page Size Checker: Free Online Tool to Analyze Website Load Size & Speed

Page Size Checker

Enter a URL

About Page Size Checker

Slow-loading pages chase away visitors and drop your search rankings, but pinpointing the culprits is half the battle. Our Page Size Checker dives into any URL to calculate total download size, break down components like images, CSS, JS, and HTML, and estimate load times across connection speeds for actionable optimization tips.

Paste a webpage URL (e.g., example.com), hit "Analyze," and within seconds, you'll see a full report: overall size in KB/MB, uncompressed vs. gzipped totals, and per-resource weights. It simulates real-user conditions with mobile/desktop views, flagging oversized images or unminified scripts that inflate times.

What makes it a performance powerhouse:

• Component Breakdown: Pie charts for visuals, scripts, stylesheets, and more.
• Speed Simulations: Estimates on 3G, 4G, or broadband for global user insights.
• Compression Insights: Shows potential savings from tools like Gzip or Brotli.
• SEO Alerts: Warns on thresholds over 2MB that Google penalizes.
• Export Reports: Download as PDF with screenshots for stakeholder shares.

Developers, marketers, and site owners use it to trim bloat, boost Core Web Vitals scores, and enhance mobile experiences. No extensions or waits—get precise, real-time data every time, completely free!