I use Safari and SPIO, and I can't see WebP images. How can I solve it?

JPG/PNG served instead of WebP

ShortPixel Image Optimizer (SPIO) has an option to deliver the WebP images to all compatible browsers, which is located on Settings > ShortPixel > Advanced > WebP images.

Safari does not support WebP (like Internet Explorer), therefore if Safari is detected, SPIO will serve instead the original picture instead of the WebP counterpart.

WebP image not displayed

If the issue is that your images are completely gone when the Deliver the WebP versions... option is active, there could be a few possible explanations why this feature doesn't work:

  • You have a CDN in front of your website, which is not compatible with the alternative WebP delivery method (via .htaccess). There's a chance that this alternative method was selected at a certain point in ShortPixel's settings, and while this setting was on, the CDN cached the .webp versions of the files, which are now being served to all browsers, including Safari. The solution is easy:

    1. Go to Settings > ShortPixel > Advanced > WebP Images and select Using the <PICTURE> tag syntax:
    2. Clear your CDN cache from your CDN control panel. It is important to not clear cache using a plugin; sometimes plugins cannot clear images from your CDN cache.

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