Webflow fix guide
No Modern Image Formats (WebP/AVIF) on Webflow
All images use legacy formats (JPEG/PNG/GIF). Modern formats like WebP and AVIF provide 25-50% smaller file sizes with equivalent quality.
Issue ID: PERF-IMG-FORMAT-001Severity: moderateEffort: M
Why this matters
All images use legacy formats (JPEG/PNG/GIF). Modern formats like WebP and AVIF provide 25-50% smaller file sizes with equivalent quality. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.
Webflow fix path
How to fix this on Webflow
Create the page and wire it into your nav/footer components.
- 1Add the page or update the collection template.
- 2Link it in shared navigation/footer components.
- 3Publish and verify the link path.
After you fix it
- ✓Check that images are served in WebP or AVIF format using browser DevTools Network tab
Same fix, other platforms
Fix no modern image formats (webp/avif) on a different CMS
Other fixes
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