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
1.5s
Best LCP (p75)
SpeedCurve LUX
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | SpeedCurve LUX | 1.5s | 95.8% | 56 | |
| 2 | Vercel Analytics | 1.9s | 87.1% | 759 | |
| 3 | Sentry | 2.1s | 84.7% | 10,707 | |
| 4 | Cloudflare Web Analytics | 2.1s | 83.7% | 3,068 | |
| 5 | Netlify Analytics | 2.3s | 80.8% | 1,024 | |
| 6 | New Relic Browser | 2.4s | 76.7% | 993 | |
| 7 | Dynatrace | 2.4s | 78.3% | 349 | |
| 8 | Akamai mPulse | 2.4s | 78.1% | 281 | |
| 9 | Elastic RUM | 2.6s | 69.8% | 78 | |
| 10 | Datadog RUM | 2.8s | 67.4% | 708 |
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
SpeedCurve LUX 0%
56
1.5s
Vercel Analytics 0.4%
759
1.9s
Sentry 5.6%
10,707
2.1s
Cloudflare Web Analytics 1.6%
3,068
2.1s
Netlify Analytics 0.5%
1,024
2.3s
DebugBear 0%
16
2.1s
Dynatrace 0.2%
349
2.4s
Akamai mPulse 0.1%
281
2.4s
New Relic Browser 0.5%
993
2.4s
AppDynamics 0%
21
2.7s
Elastic RUM 0%
78
2.6s
Datadog RUM 0.4%
708
2.8s
Raygun 0%
12
2.8s
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 20 points behind, leaving 33% 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.
Vercel Analytics leads on LCP: 87% of its sites pass. Datadog RUM trails at 67%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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.