What is WebP and AVIF?
The short answer
WebP and AVIF are modern image formats that compress photos and graphics much smaller than JPEG and PNG at similar visual quality, supported by current browsers.
WebP and AVIF, explained
AVIF usually compresses further; WebP encodes faster. Serving either, with a fallback where needed, cuts page weight substantially.
Questions people ask about WebP and AVIF
What is WebP and AVIF?
WebP and AVIF are modern image formats that compress photos and graphics much smaller than JPEG and PNG at similar visual quality, supported by current browsers.
Related terms
Image optimisation is serving images at the right size, format and quality for each device, so pages load fast without visibly losing quality.
Page speedPage speed is how quickly a web page loads and becomes usable, measured by metrics like Largest Contentful Paint, Interaction to Next Paint and layout stability.
Core Web VitalsCore Web Vitals are Google's three user-experience metrics: Largest Contentful Paint for loading, Interaction to Next Paint for responsiveness and Cumulative Layout Shift for visual stability.
Largest Contentful PaintLargest Contentful Paint measures how long it takes for the largest visible element, usually the hero image or headline, to appear; good is 2.5 seconds or less.
Part of the Web Encyclopedia by Apex Flow Digital. Definitions are general knowledge, kept current, with no invented statistics.