RUM impact WordPress sites

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone 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
0.03
Best CLS (p75)
Sentry
The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Sentry 0.03 87.1%
561
2 Vercel Analytics 0.04 84.5%
76
3 Cloudflare Web Analytics 0.05 86.2%
687
4 New Relic Browser 0.07 91.5%
108
5 Netlify Analytics 0.10 78.0%
165
The State of Web Vitals · October 2026 · WordPress sites (63,295) · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
New Relic Browser 0.2% 108 92% 0.07
Sentry 0.9% 561 87% 0.03
Cloudflare Web Analytics 1.1% 687 86% 0.05
Vercel Analytics 0.1% 76 85% 0.04
Netlify Analytics 0.3% 165 78% 0.10
Datadog RUM 0% 18 71% 0.11
Dynatrace 0% 5 50% 0.18
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

92% of New Relic Browser sites pass CLS. Netlify Analytics trails 14 points behind. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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
Cloudflare Web Analytics 1.1%
662.8s
94143ms
860.05
582.4s
391.8s
Sentry 0.9%
712.6s
94138ms
870.03
592.3s
331.8s
Netlify Analytics 0.3%
622.9s
94137ms
780.10
512.6s
252.2s
New Relic Browser 0.2%
702.6s
95122ms
920.07
492.3s
241.6s
Vercel Analytics 0.1%
852.3s
94137ms
850.04
671.9s
461.5s
Datadog RUM 0%
573.5s
77191ms
710.11
502.4s
541.7s
Dynatrace 0%
1001.9s
100129ms
500.18
1001.3s
75517ms
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.

New Relic Browser leads on CLS: 92% of its sites pass. Netlify Analytics trails at 78%. computed

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