Check WebP optimization of images on your site and list ones that need converting.
Images not served as WebP are detected.
Large files and images without dimensions are listed.
Images missing alt text are flagged.
The WebP Test checks whether the images on a page follow modern format and size rules. Oversized images slow the page and hurt the user experience.
It counts total images and those not in WebP, oversized, missing dimensions, missing alt text or broken. Total size and potential savings are shown, and each issue lists the image address.
Choose the plan that fits your scale and create your account.
Select the alt text, file size, format and lazy loading checks you need.
Convert, compress and complete the details of the listed images.
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