We classified 435 million web images and tracked four years of change. WebP went from 2% to 17% of all images since 2022 and now appears on 40% of homepages, AVIF grew fortyfold but sits at just 4%, and JPEG and PNG together are still more than half of every image on the web.
Source: PageSpeed Matters analysis of 435M image requests on mobile homepages, HTTP Archive June 2026.
Next-gen formats WebP and AVIF are 21% of all images. GIF, a format from 1987, is still one image in six.
Source: PageSpeed Matters analysis, share of image requests on mobile homepages, HTTP Archive.
WebP is the steeper absolute climb. AVIF is the steeper relative one, but for every AVIF image there are still about six JPEGs.
Source: WebP Reached 16.6% of All Web Images. JPEG and PNG Still Hold 53% - PageSpeed Matters