WordPress fix guide
No Modern Image Formats (WebP/AVIF) on WordPress
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.
WordPress fix path
How to fix this on WordPress
These are page and navigation fixes, not plugin-only fixes.
- 1Create or update the relevant page in WordPress.
- 2Link it from your main navigation or footer.
- 3Confirm the information is visible on the live site.
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
More WordPress fixes
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