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Performance and Core Web Vitals

Images are not served in modern formats

Why it matters

On https://northstar-components.example/, over half of images (1 of 1) are JPEG/PNG with no WebP/AVIF alternative via srcset or <picture>.

What to do

Serve images in WebP or AVIF with a raster fallback.

Web/CMS · About 4 hours · You can do this

How to fix it

  1. Convert hero and above-fold images to WebP or AVIF with a JPEG/PNG fallback.
  2. Use a CMS image-optimisation plugin/service if the platform supports one.
How we checked this