1
At a glance the headline numbers for CMS impact
Performance impact by cms provider.
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Items
No data this edition
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Sample
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Best CLS
The State of Web Vitals · October 2026 · Shopify sites (8,248) · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites |
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No data above the minimum sample threshold this edition.
The State of Web Vitals · October 2026 · Shopify sites (8,248) · phone field datacorewebvitals.io/state-of-cwv
Related signals Video (7) → A/B testing (12) → JS libraries (26) → Customer data platforms (6) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured
203,892 crawled sites with Chrome field data, representing millions of real page loads. How we measured.