The State of Web Vitals

RUM impact

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · All devices field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for RUM impact

Performance impact by rum provider.

8
Providers ranked
After min-sites filter
9,378
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Vercel Analytics
The State of Web Vitals · Q1 2026 · 94,910 sites · 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 89.2%
415
2 Sentry 0.04 86.7%
5,571
3 Netlify Analytics 0.08 78.0%
548
4 Cloudflare Web Analytics 0.08 79.3%
1,609
5 New Relic Browser 0.09 76.7%
561
6 Akamai mPulse 0.10 76.8%
151
7 Datadog RUM 0.37 45.1%
341
8 Dynatrace 0.48 36.7%
182
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Vercel Analytics 0.4% 415 89% 0.04
DebugBear 0% 8 88% 0.07
Sentry 5.9% 5,571 87% 0.04
Cloudflare Web Analytics 1.7% 1,609 79% 0.08
SpeedCurve LUX 0% 25 79% 0.09
Netlify Analytics 0.6% 548 78% 0.08
Akamai mPulse 0.2% 151 77% 0.10
New Relic Browser 0.6% 561 77% 0.09
AppDynamics 0% 13 69% 0.12
Elastic RUM 0% 42 60% 0.19
Datadog RUM 0.4% 341 45% 0.37
Dynatrace 0.2% 182 37% 0.48
Raygun 0% 5 20% 0.68
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

89% of Vercel Analytics sites pass CLS. Dynatrace trails 52 points behind, leaving 63% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · 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
Sentry 5.9%
872.0s
91124ms
870.04
861.4s
77769ms
Cloudflare Web Analytics 1.7%
812.3s
87145ms
790.08
761.8s
581.2s
New Relic Browser 0.6%
802.3s
92132ms
770.09
721.9s
521.2s
Netlify Analytics 0.6%
752.5s
86154ms
780.08
741.8s
551.2s
Vercel Analytics 0.4%
862.1s
92132ms
890.04
831.5s
78750ms
Datadog RUM 0.4%
424.7s
58279ms
450.37
553.0s
67948ms
Dynatrace 0.2%
642.6s
84186ms
370.48
811.6s
74838ms
Akamai mPulse 0.2%
633.1s
86161ms
770.10
622.0s
451.0s
Elastic RUM 0%
592.8s
82192ms
600.19
731.9s
62951ms
SpeedCurve LUX 0%
881.8s
79186ms
790.09
921.3s
75790ms
AppDynamics 0%
622.8s
83180ms
690.12
622.1s
541.0s
DebugBear 0%
752.3s
86173ms
880.07
632.0s
631.5s
Raygun 0%
203.3s
100178ms
200.68
402.5s
80419ms
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: 89% of its sites pass. Dynatrace trails at 37%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Tag managers (8) → A/B testing (10) → Consent platforms (16) → Reviews (8) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured