The State of Web Vitals

RUM impact

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites Q2 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
18,023
Sites in sample
Combined across all items
0.03
Best CLS (p75)
Vercel Analytics
The State of Web Vitals · Q2 2026 · 189,915 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 89.8%
759
2 Sentry 0.04 85.5%
10,707
3 Cloudflare Web Analytics 0.08 79.3%
3,068
4 SpeedCurve LUX 0.09 80.9%
56
5 Akamai mPulse 0.09 79.3%
281
6 New Relic Browser 0.09 78.8%
993
7 Netlify Analytics 0.12 73.6%
1,024
8 Elastic RUM 0.21 64.5%
78
9 Datadog RUM 0.40 44.6%
708
10 Dynatrace 0.77 40.4%
349
The State of Web Vitals · Q2 2026 · 189,915 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% 759 90% 0.03
Sentry 5.6% 10,707 86% 0.04
SpeedCurve LUX 0% 56 81% 0.09
DebugBear 0% 16 80% 0.07
Cloudflare Web Analytics 1.6% 3,068 79% 0.08
Akamai mPulse 0.1% 281 79% 0.09
New Relic Browser 0.5% 993 79% 0.09
Netlify Analytics 0.5% 1,024 74% 0.12
AppDynamics 0% 21 69% 0.13
Elastic RUM 0% 78 65% 0.21
Raygun 0% 12 55% 0.34
Datadog RUM 0.4% 708 45% 0.40
Dynatrace 0.2% 349 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 · Q2 2026 · 189,915 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 5.6%
852.0s
86150ms
860.04
841.5s
77761ms
Cloudflare Web Analytics 1.6%
802.3s
82169ms
790.08
761.8s
571.1s
Netlify Analytics 0.5%
722.6s
78188ms
740.12
731.9s
531.1s
New Relic Browser 0.5%
742.5s
86164ms
790.09
672.0s
521.2s
Vercel Analytics 0.4%
832.2s
88155ms
900.03
791.6s
79710ms
Datadog RUM 0.4%
424.7s
48310ms
450.40
513.1s
64996ms
Dynatrace 0.2%
682.6s
61222ms
400.77
831.6s
78715ms
Akamai mPulse 0.1%
603.1s
71210ms
790.09
602.1s
471.0s
Elastic RUM 0%
572.9s
72204ms
650.21
692.0s
69870ms
SpeedCurve LUX 0%
941.7s
72205ms
810.09
941.3s
79771ms
AppDynamics 0%
633.0s
60216ms
690.13
502.1s
561.1s
DebugBear 0%
732.5s
87181ms
800.07
602.1s
601.1s
Raygun 0%
732.6s
90170ms
550.34
731.9s
82726ms
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 · Q2 2026 · 189,915 sites · phone 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