The AVIF encoder effort setting is a 0–6 dial that belongs to the plugin, not to any encoder. Each driver translates it into its own backend’s native speed scale. The measurements behind that translation are recorded below, so the numbers do not have to be re-derived. The mapping Both built-in drivers use the same table...
WebberZone Image Optimizer converts the images already in your media library to WebP and AVIF, and serves each visitor the smallest file their browser can read. Images are typically 40–60% smaller with no visible difference, and everything happens on your own server — there is no external service, no API key, no account and no...
WebberZone Image Optimizer is one of several free WordPress plugins that convert images to WebP and AVIF locally, without uploading anything to a third-party service. The comparison here covers three plugins that take the same no-account, on-server approach: Modern Image Formats (the WordPress Performance Team’s webp-uploads), WebP Express, and Converter for Media (webp-converter-for-media). Cloud-based optimizers...
If your site already runs ShortPixel, Imagify, EWWW Image Optimizer or a similar plugin, the WebP and AVIF files it generated are ordinary files sitting next to your originals. WebberZone Image Optimizer can serve those existing files as they are. There is no import step, nothing is renamed, and nothing is converted a second time....