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The mobile home page had visual jumps that lowered the user experience.
The CLS (Cumulative Layout Shift) indicator determines the level of visual stability of a page while loading.
The implementation consists in reducing the maximum of its visuals jumps and resizes while loading to obtain a better CLS score, the closest to 0.
The strengths of an optimized CLS:
Evolution of the CLS score
before | after | |
Perf.grade | 40/ 100 | 59/ 100 |
CLS improvment | 0.6 | 0.15 |
Impact on Google Search Console curves
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Mobile version | Computer version |