Free Render-Blocking Resources Checker

Name: SCOUTb2
Author: bee2.io LLC

Find render-blocking scripts and stylesheets in your HTML. Provides specific recommendations to fix each blocking resource.

100% client-side - your data never leaves your browser.

Paste your page HTML (head section)

Paste page HTML to identify render-blocking scripts and stylesheets.

Want automated scanning?

SCOUTb2 runs 25+ accessibility, performance, SEO, and security checks on any page automatically.