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
1.7s
Best LCP (p75)
SpeedCurve LUX
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | SpeedCurve LUX | 1.7s | 92.5% | 56 | |
| 2 | Sentry | 2.0s | 86.6% | 10,707 | |
| 3 | Vercel Analytics | 2.0s | 87.2% | 759 | |
| 4 | Cloudflare Web Analytics | 2.2s | 81.1% | 3,068 | |
| 5 | New Relic Browser | 2.4s | 78.2% | 993 | |
| 6 | Netlify Analytics | 2.5s | 75.7% | 1,024 | |
| 7 | Dynatrace | 2.6s | 70.1% | 349 | |
| 8 | Elastic RUM | 2.9s | 56.9% | 78 | |
| 9 | Akamai mPulse | 3.0s | 63.0% | 281 | |
| 10 | Datadog RUM | 4.8s | 42.3% | 708 |
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
SpeedCurve LUX 0%
56
1.7s
Vercel Analytics 0.4%
759
2.0s
Sentry 5.6%
10,707
2.0s
Cloudflare Web Analytics 1.6%
3,068
2.2s
New Relic Browser 0.5%
993
2.4s
Netlify Analytics 0.5%
1,024
2.5s
DebugBear 0%
16
2.4s
Dynatrace 0.2%
349
2.6s
Raygun 0%
12
2.6s
Akamai mPulse 0.1%
281
3.0s
AppDynamics 0%
21
2.8s
Elastic RUM 0%
78
2.9s
Datadog RUM 0.4%
708
4.8s
Good
Needs Improvement
Poor
Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site
87% of Vercel Analytics sites pass LCP. Datadog RUM trails 45 points behind, leaving 58% 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.
Sentry leads on LCP: 87% of its sites pass. Datadog RUM trails at 42%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
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Chrome field data from 189,915 sites, representing millions of real page loads · How we measured
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.