RUM impact WordPress sites

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · WordPress sites only
Metric LCP INP CLS
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for RUM impact

Performance impact by rum provider.

5
Providers ranked
After min-sites filter
1,597
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Vercel Analytics
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Vercel Analytics 0.04 83.6%
76
2 Sentry 0.05 87.2%
561
3 Cloudflare Web Analytics 0.06 85.2%
687
4 New Relic Browser 0.08 85.8%
108
5 Netlify Analytics 0.09 78.1%
165
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Sentry 0.9% 561 87% 0.05
New Relic Browser 0.2% 108 86% 0.08
Cloudflare Web Analytics 1.1% 687 85% 0.06
Vercel Analytics 0.1% 76 84% 0.04
Netlify Analytics 0.3% 165 78% 0.09
Datadog RUM 0% 18 61% 0.19
Dynatrace 0% 5 60% 0.13
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

87% of Sentry sites pass CLS. Netlify Analytics trails 9 points behind. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices 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
Cloudflare Web Analytics 1.1%
672.9s
96120ms
850.06
572.4s
371.9s
Sentry 0.9%
712.6s
93125ms
870.05
592.3s
301.9s
Netlify Analytics 0.3%
632.8s
99113ms
780.09
552.4s
272.0s
New Relic Browser 0.2%
712.7s
98112ms
860.08
532.4s
232.0s
Vercel Analytics 0.1%
742.6s
97114ms
840.04
662.1s
431.7s
Datadog RUM 0%
613.4s
81178ms
610.19
502.6s
562.0s
Dynatrace 0%
1001.9s
100117ms
600.13
1001.3s
60902ms
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.

Sentry leads on CLS: 87% of its sites pass. Netlify Analytics trails at 78%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices 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