1
At a glance the headline numbers for RUM impact
Performance impact by rum provider.
2
Providers ranked
After min-sites filter
5,818
Sites in sample
Combined across all items
0.00
Best CLS (p75)
Sentry
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Sentry | 0.00 | 97.4% | 5,621 | |
| 2 | Vercel Analytics | 0.00 | 99.1% | 197 |
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Vercel Analytics 3.5% 197 0.00
Sentry 100% 5,621 0.00
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site
No provider stands out: pass rates sit between 97% and 99%. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
4
All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75
LCP
INP
CLS
FCP
TTFB
Sentry 100%
941.6s
9696ms
970.00
931.1s
86586ms
Vercel Analytics 3.5%
871.9s
96113ms
990.00
851.4s
79657ms
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites
One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.
Vercel Analytics leads on CLS: 99% of its sites pass. Sentry trails at 97%. computed
The State of Web Vitals · October 2026 · Wix sites (5,623) · phone field datacorewebvitals.io/state-of-cwv
Related signals Tag managers (8) → A/B testing (12) → Consent platforms (16) → Reviews (8) → 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.