Remove Unused JavaScript: How to Find and Fix It

Remove unused javascript: how to find and fix it

Remove Unused JavaScript: How to Find and Fix It

"Unused JavaScript" is code the browser downloads but does not execute during the page load. A…
Learn More
Minimize main-thread work: how to fix it

Minimize Main-Thread Work: How to Fix It

TL;DR "Minimize main-thread work" fires when the browser's main thread is busy for more than 4…
Learn More
Javascript links

JavaScript Links

Best practices guide for JavaScript Links (PE-009). Priority: Medium. Batch check required.
Learn More
Javascript loaded content

JavaScript Loaded Content

Best practices guide for JavaScript Loaded Content (PE-008). Priority: Low. Batch check required.
Learn More
Reduce javascript execution time: how to fix it

Reduce JavaScript Execution Time: How to Fix It

Reduce JavaScript Execution Time: How to Fix It TL;DR This audit fires when the browser spends…
Learn More
Serve modern javascript to modern browsers: how to fix it

Serve Modern JavaScript to Modern Browsers: How to Fix It

TL;DR: The "Serve Modern JavaScript to Modern Browsers" audit fires when your site ships ES5-transpiled code…
Learn More

Get new blog posts by email: