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Squarespace fix guide

Poor Cumulative Layout Shift (CLS) on Squarespace

Page elements shift during loading, hurting user experience.

Issue ID: PERF-CLS-001Severity: majorEffort: M

Why this matters

Page elements shift during loading, hurting user experience. 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

Trim images and custom scripts.

  1. 1Compress images and videos.
  2. 2Audit code injection and third-party scripts.
  3. 3Republish and run another speed test.

After you fix it

  • Run Lighthouse and confirm CLS < 0.1

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