Webflow fix guide
Images Without Width/Height Attributes on Webflow
Causes layout shift (CLS) as the page loads. Hurts Core Web Vitals score.
Issue ID: PERF-IMAGES-001Severity: moderateEffort: M
Why this matters
Causes layout shift (CLS) as the page loads. Hurts Core Web Vitals score. 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
Control media size and custom code.
- 1Use responsive image assets.
- 2Minimize custom scripts and large interactions.
- 3Publish and retest Core Web Vitals.
After you fix it
- ✓Check that all images have width and height attributes
Same fix, other platforms
Fix images without width/height attributes on a different CMS
Other fixes
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