Webflow fix guide
Significant Unused CSS on Webflow
A large portion of downloaded CSS is unused on this page. Unused CSS increases download size and adds to render-blocking time.
Issue ID: CWV-UNUSED-CSS-001Severity: minorEffort: M
Why this matters
A large portion of downloaded CSS is unused on this page. Unused CSS increases download size and adds to render-blocking time. 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
Use page settings, Designer, or project settings.
- 1Locate the element or setting causing the issue.
- 2Update it in Webflow.
- 3Publish and validate the output.
After you fix it
- ✓Confirm reduced unused CSS bytes in Coverage tab
Same fix, other platforms
Fix significant unused css on a different CMS
Other fixes
More Webflow fixes
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