Squarespace fix guide
Render-Blocking CSS Detected on Squarespace
External CSS stylesheets block page rendering until they are downloaded and parsed. This delays First Contentful Paint and LCP.
Issue ID: CWV-RENDER-BLOCK-CSS-001Severity: moderateEffort: M
Why this matters
External CSS stylesheets block page rendering until they are downloaded and parsed. This delays First Contentful Paint and LCP. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.
Squarespace fix path
How to fix this on Squarespace
Check page settings, navigation, and code injection.
- 1Identify whether this is page-level or site-level.
- 2Apply the fix.
- 3Republish and confirm.
After you fix it
- ✓Run Lighthouse and confirm no render-blocking CSS warnings
Same fix, other platforms
Fix render-blocking css detected on a different CMS
Other fixes
More Squarespace fixes
See every Squarespace issue on your site
This is one issue of many the full audit checks. Run a free scan to see what else might be holding your site back.
Run Free Audit