Serve Images in Next-Gen Formats (WebP/AVIF): How to Fix It

Serve images in next-gen formats (webp/avif): how to fix it

Serve Images in Next-Gen Formats (WebP/AVIF): How to Fix It

TL;DR: Your images are being served as JPEG or PNG, which are heavier than modern formats.…
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Timed refresh exists

Timed Refresh Exists

Best practices guide for Timed Refresh Exists (PE-038). Priority: Medium. Batch check required.
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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…
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Avoid an excessive dom size: how to slim your markup

Avoid an Excessive DOM Size: How to Slim Your Markup

TL;DR: "Avoid an excessive DOM size" fires when your page builds too many HTML elements (Lighthouse…
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Autocomplete attribute

Autocomplete Attribute

Best practices guide for Autocomplete Attribute (PE-043). Priority: Low. Batch check required.
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Preload key requests: how to fix it

Preload Key Requests: How to Fix It

Some resources are essential to rendering the top of your page, but the browser cannot see…
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