Why are Webp images not appearing on the frontend?
There are several reasons why WebP images might not be pulled correctly on your website.
1. As the first step, make sure that WebP copies of the images were created. To check this, you can open any storefront image in a new tab and modify its URL the following way:
https://example.com/media/amasty/webp/wysiwyg/image_png.webpIf you get a 404 error, it means a WebP copy of the image wasn't created. Make sure to add optimization patterns in Content → Image Folder Optimization Settings and configure them to create WebP copies; run the image optimization process:
2. If WebP copies are present on the server, it might be that the module is not configured to replace original images. Navigate to Stores → Configuration → Amasty Extensions → Image Optimizer and make sure to enable the Use User Agent for Loading Images and Image Replace Strategy → Smart Optimization options.
3. The images on your website might be loading in a non-standard way. To check that, hover the mouse over the image on the frontend, right-click it, and click the Inspect button. In the opened Developer Console, you will see the way the image is loaded.
By default, the extension supports images introduced with the <img src=""> tag or style="background-image: URL('image_url')" added by Magento Page Builder. If the images are loaded with a different tag, please add this tag to Image Optimizer > Replace Images > Support Third-party Image Attributes field:
Since version 3.3.0, the extension also supports images introduced with the <source> tag within <picture> and images with the <srcset> tag within <img>. Kindly note that the compatibility is available for Pro and Premium module versions and as a part of an active product subscription or support subscription.
4. Varnish cache is used in the environment. Even though the extension is compatible with the Varnish cache, additional Varnish configuration is required to make WebP images upload on the website. Refer to the next article for the guide on how to make Webp images work with Varnish: Does WebP work with Varnish?
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