1
At a glance the headline numbers for Bot detection impact
Performance impact by bot_detection provider.
5
Providers ranked
After min-sites filter
26,874
Sites in sample
Combined across all items
0.03
Best CLS (p75)
hCaptcha
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | hCaptcha | 0.03 | 90.7% | 525 | |
| 2 | DataDome | 0.05 | 81.4% | 121 | |
| 3 | reCAPTCHA | 0.05 | 86.2% | 25,928 | |
| 4 | Cloudflare Turnstile | 0.09 | 77.3% | 190 | |
| 5 | Akamai Bot Manager | 0.12 | 70.9% | 110 |
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
PerimeterX/HUMAN 0% 8 0.04
hCaptcha 0.6% 525 0.03
reCAPTCHA 27.3% 25,928 0.05
Imperva Bot Management 0% 38 0.05
DataDome 0.1% 121 0.05
Cloudflare Turnstile 0.2% 190 0.09
Akamai Bot Manager 0.1% 110 0.12
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
91% of hCaptcha sites pass CLS. Akamai Bot Manager trails 20 points behind, leaving 29% of its sites failing. computed
The State of Web Vitals · Q1 2026 · 94,910 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
reCAPTCHA 27.3%
772.4s
96114ms
860.05
711.9s
511.4s
hCaptcha 0.6%
862.0s
94128ms
910.03
781.7s
631.2s
Cloudflare Turnstile 0.2%
822.2s
83151ms
770.09
751.8s
571.3s
DataDome 0.1%
812.3s
85154ms
810.05
821.7s
641.1s
Akamai Bot Manager 0.1%
682.7s
71208ms
710.12
652.1s
421.2s
Imperva Bot Management 0%
633.4s
94142ms
820.05
532.6s
451.8s
PerimeterX/HUMAN 0%
752.6s
100131ms
1000.04
502.6s
502.0s
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.
hCaptcha leads on CLS: 91% of its sites pass. Akamai Bot Manager trails at 71%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Push notifications (4) → Image CDNs (9) → RUM (13) → Marketing pixels (10) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.