Page Size Checker

Topics: Performance and preview

Coming soon

This tool usually needs secure server-side calls, third-party APIs, or heavy processing (for example live DNS, WHOIS, or crawl jobs). We are wiring a safe version next—use the working tools in the sidebar for now.

Guide: Page Size Checker

Topics in this category: Performance and preview

Reducing page size

Audit the largest assets: hero images, webfonts, third-party scripts, and JSON payloads. Lazy-load below-the-fold media and defer non-critical JS.

Use modern formats (AVIF, WebP), responsive srcset, and HTTP compression (Brotli/gzip) on text assets.