The State of Web Vitals

RUM impact

Performance impact by rum provider.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Desktop 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
0.09
Best CLS (p75)
Sentry
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Sentry 0.09 77.1%
10,707
2 Netlify Analytics 0.10 76.5%
1,024
3 Cloudflare Web Analytics 0.10 76.4%
3,068
4 Vercel Analytics 0.11 74.2%
759
5 SpeedCurve LUX 0.13 68.8%
56
6 Akamai mPulse 0.14 67.7%
281
7 New Relic Browser 0.15 66.8%
993
8 Datadog RUM 0.21 61.2%
708
9 Elastic RUM 0.22 52.3%
78
10 Dynatrace 0.39 35.5%
349
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
DebugBear 0% 16 80% 0.08
Sentry 5.6% 10,707 77% 0.09
Netlify Analytics 0.5% 1,024 77% 0.10
Cloudflare Web Analytics 1.6% 3,068 76% 0.10
Vercel Analytics 0.4% 759 74% 0.11
SpeedCurve LUX 0% 56 69% 0.13
Akamai mPulse 0.1% 281 68% 0.14
New Relic Browser 0.5% 993 67% 0.15
Raygun 0% 12 63% 0.17
Datadog RUM 0.4% 708 61% 0.21
AppDynamics 0% 21 59% 0.14
Elastic RUM 0% 78 52% 0.22
Dynatrace 0.2% 349 36% 0.39
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

77% of Sentry sites pass CLS. Dynatrace trails 41 points behind, leaving 64% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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%
852.1s
9886ms
770.09
861.4s
74829ms
Cloudflare Web Analytics 1.6%
842.1s
9879ms
760.10
801.6s
551.2s
Netlify Analytics 0.5%
812.3s
9391ms
770.10
841.5s
70987ms
New Relic Browser 0.5%
772.4s
9789ms
670.15
711.9s
491.4s
Vercel Analytics 0.4%
871.9s
9881ms
740.11
871.3s
79746ms
Datadog RUM 0.4%
672.8s
92131ms
610.21
771.7s
68943ms
Dynatrace 0.2%
782.4s
94118ms
360.39
871.4s
78707ms
Akamai mPulse 0.1%
782.4s
94118ms
680.14
781.7s
59953ms
Elastic RUM 0%
702.6s
95119ms
520.22
861.5s
75806ms
SpeedCurve LUX 0%
961.5s
98109ms
690.13
961.2s
79738ms
AppDynamics 0%
712.7s
10091ms
590.14
711.8s
65865ms
DebugBear 0%
802.1s
87117ms
800.08
801.7s
671.1s
Raygun 0%
632.8s
100120ms
630.17
751.4s
100591ms
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.

Sentry leads on CLS: 77% of its sites pass. Dynatrace trails at 36%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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