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WordPress fix guide

Images Without Width/Height Attributes on WordPress

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.

WordPress fix path

How to fix this on WordPress

Focus on hosting, caching, images, and plugin weight.

  1. 1Compress media and use properly sized images.
  2. 2Enable page caching and a CDN.
  3. 3Remove heavy plugins or scripts that block rendering.

After you fix it

  • Check that all images have width and height attributes

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