The State of Web Vitals

RUM impact

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for RUM impact

Performance impact by rum provider.

10
Providers ranked
After min-sites filter
20,342
Sites in sample
Combined across all items
0.03
Best CLS (p75)
Vercel Analytics
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Vercel Analytics 0.03 90.4%
889
2 Sentry 0.04 85.8%
12,104
3 Cloudflare Web Analytics 0.08 79.7%
3,469
4 SpeedCurve LUX 0.08 82.4%
61
5 Akamai mPulse 0.09 79.9%
323
6 New Relic Browser 0.09 78.0%
1,101
7 Netlify Analytics 0.11 74.5%
1,169
8 Elastic RUM 0.20 66.7%
84
9 Datadog RUM 0.39 45.7%
760
10 Dynatrace 0.77 40.2%
382
The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Vercel Analytics 0.4% 889 90% 0.03
Sentry 5.7% 12,104 86% 0.04
SpeedCurve LUX 0% 61 82% 0.08
DebugBear 0% 17 81% 0.06
Akamai mPulse 0.2% 323 80% 0.09
Cloudflare Web Analytics 1.6% 3,469 80% 0.08
New Relic Browser 0.5% 1,101 78% 0.09
Netlify Analytics 0.6% 1,169 75% 0.11
Elastic RUM 0% 84 67% 0.20
AppDynamics 0% 22 65% 0.16
Raygun 0% 14 58% 0.33
Datadog RUM 0.4% 760 46% 0.39
Dynatrace 0.2% 382 40% 0.77
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

90% of Vercel Analytics sites pass CLS. Dynatrace trails 50 points behind, leaving 60% of its sites failing. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · 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 5.7%
852.0s
86151ms
860.04
841.5s
77754ms
Cloudflare Web Analytics 1.6%
802.3s
82171ms
800.08
761.8s
571.1s
Netlify Analytics 0.6%
722.6s
77191ms
750.11
721.9s
531.1s
New Relic Browser 0.5%
742.5s
86163ms
780.09
682.0s
521.2s
Vercel Analytics 0.4%
832.2s
89153ms
900.03
791.6s
79701ms
Datadog RUM 0.4%
434.6s
48295ms
460.39
533.0s
64979ms
Dynatrace 0.2%
672.6s
62222ms
400.77
821.6s
78747ms
Akamai mPulse 0.2%
593.1s
73204ms
800.09
582.2s
451.0s
Elastic RUM 0%
582.9s
72204ms
670.20
711.9s
71860ms
SpeedCurve LUX 0%
921.7s
73205ms
820.08
921.3s
78771ms
AppDynamics 0%
593.2s
63214ms
650.16
532.1s
591.0s
DebugBear 0%
752.4s
81193ms
810.06
632.0s
631.1s
Raygun 0%
752.6s
90170ms
580.33
751.7s
83722ms
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: 90% of its sites pass. Dynatrace trails at 40%. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv
Related signals Tag managers (8) → A/B testing (12) → Consent platforms (16) → Reviews (8) → 212,308 crawled sites with Chrome field data, representing millions of real page loads · How we measured