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 · phone 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 | 93.6% | 56 | |
| 2 | Sentry | 2.0s | 85.3% | 10,707 | |
| 3 | Vercel Analytics | 2.2s | 83.3% | 759 | |
| 4 | Cloudflare Web Analytics | 2.3s | 80.4% | 3,068 | |
| 5 | New Relic Browser | 2.5s | 73.8% | 993 | |
| 6 | Netlify Analytics | 2.6s | 72.0% | 1,024 | |
| 7 | Dynatrace | 2.6s | 67.5% | 349 | |
| 8 | Elastic RUM | 2.9s | 56.5% | 78 | |
| 9 | Akamai mPulse | 3.1s | 59.6% | 281 | |
| 10 | Datadog RUM | 4.7s | 41.5% | 708 |
The State of Web Vitals · Q2 2026 · 189,915 sites · phone 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
Sentry 5.6%
10,707
2.0s
Vercel Analytics 0.4%
759
2.2s
Cloudflare Web Analytics 1.6%
3,068
2.3s
New Relic Browser 0.5%
993
2.5s
DebugBear 0%
16
2.5s
Raygun 0%
12
2.6s
Netlify Analytics 0.5%
1,024
2.6s
Dynatrace 0.2%
349
2.6s
AppDynamics 0%
21
3.0s
Akamai mPulse 0.1%
281
3.1s
Elastic RUM 0%
78
2.9s
Datadog RUM 0.4%
708
4.7s
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
85% of Sentry sites pass LCP. Datadog RUM trails 43 points behind, leaving 58% 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.
Sentry leads on LCP: 85% of its sites pass. Datadog RUM trails at 42%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · phone 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.