Fallback for browsers not supporting webp?

  • Resolved Alwin

    (@wp-opti)


    1 year, 10 months ago

    When a website visitor is using an older browser which does not support webp images, does the free version of the plugin makes use of some kind of fallback mechanism, to display the jpeg/png images instead?

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  • Plugin Author Mateusz Gbiorczyk

    (@mateuszgbiorczyk)

    Hi @wp-opti,

    Thank you for your message.

    When the browser tries to download an image file, the server checks if it supports the AVIF format (if enabled in the plugin settings). If so, the browser will receive an equivalent of the original image in AVIF format. If it does not support AVIF, but supports the WebP format, the browser will receive an equivalent of the original image in WebP format. If the browser does not support either WebP or AVIF, the original image is loaded. This means full support for all browsers.

    Best, Mateusz

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