The State of Web Vitals

RUM impact

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites Q2 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.

10
Providers ranked
After min-sites filter
18,023
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Vercel Analytics
The State of Web Vitals · Q2 2026 · 189,915 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 87.9%
759
2 Sentry 0.04 87.1%
10,707
3 Cloudflare Web Analytics 0.08 79.5%
3,068
4 SpeedCurve LUX 0.09 79.2%
56
5 Akamai mPulse 0.09 80.4%
281
6 New Relic Browser 0.09 77.6%
993
7 Netlify Analytics 0.10 75.9%
1,024
8 Elastic RUM 0.21 58.9%
78
9 Datadog RUM 0.39 43.7%
708
10 Dynatrace 0.47 40.7%
349
The State of Web Vitals · Q2 2026 · 189,915 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% 759 88% 0.04
Sentry 5.6% 10,707 87% 0.04
DebugBear 0% 16 81% 0.09
Akamai mPulse 0.1% 281 80% 0.09
Cloudflare Web Analytics 1.6% 3,068 80% 0.08
SpeedCurve LUX 0% 56 79% 0.09
New Relic Browser 0.5% 993 78% 0.09
Netlify Analytics 0.5% 1,024 76% 0.10
AppDynamics 0% 21 65% 0.14
Elastic RUM 0% 78 59% 0.21
Raygun 0% 12 58% 0.26
Datadog RUM 0.4% 708 44% 0.39
Dynatrace 0.2% 349 41% 0.47
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

88% of Vercel Analytics sites pass CLS. Dynatrace trails 47 points behind, leaving 59% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 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 5.6%
872.0s
91123ms
870.04
861.4s
77769ms
Cloudflare Web Analytics 1.6%
812.2s
87143ms
800.08
761.8s
571.2s
Netlify Analytics 0.5%
762.5s
85160ms
760.10
751.8s
551.1s
New Relic Browser 0.5%
782.4s
92136ms
780.09
721.9s
541.2s
Vercel Analytics 0.4%
872.0s
93130ms
880.04
831.5s
79722ms
Datadog RUM 0.4%
424.8s
56284ms
440.39
523.1s
66956ms
Dynatrace 0.2%
702.6s
85181ms
410.47
841.6s
75792ms
Akamai mPulse 0.1%
633.0s
83170ms
800.09
622.1s
481.0s
Elastic RUM 0%
572.9s
81183ms
590.21
711.9s
67950ms
SpeedCurve LUX 0%
931.7s
79188ms
790.09
931.3s
77790ms
AppDynamics 0%
602.8s
89178ms
650.14
652.2s
551.0s
DebugBear 0%
752.4s
80173ms
810.09
632.1s
561.1s
Raygun 0%
672.6s
100154ms
580.26
751.7s
83676ms
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: 88% of its sites pass. Dynatrace trails at 41%. computed

The State of Web Vitals · Q2 2026 · 189,915 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 189,915 sites, representing millions of real page loads · How we measured