1
At a glance the headline numbers for Bot detection impact
Performance impact by bot_detection provider.
6
Providers ranked
After min-sites filter
56,949
Sites in sample
Combined across all items
0.04
Best CLS (p75)
hCaptcha
The State of Web Vitals · October 2026 · 210,902 crawled 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 | 0.04 | 89.9% | 1,089 | |
| 2 | DataDome | 0.05 | 81.0% | 254 | |
| 3 | reCAPTCHA | 0.05 | 86.1% | 54,929 | |
| 4 | Cloudflare Turnstile | 0.07 | 80.8% | 415 | |
| 5 | Imperva Bot Management | 0.11 | 73.4% | 64 | |
| 6 | Akamai Bot Manager | 0.13 | 70.6% | 198 |
The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
hCaptcha 0.5% 1,089 0.04
reCAPTCHA 26% 54,929 0.05
DataDome 0.1% 254 0.05
Cloudflare Turnstile 0.2% 415 0.07
PerimeterX/HUMAN 0% 15 0.06
Imperva Bot Management 0% 64 0.11
Akamai Bot Manager 0.1% 198 0.13
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
90% of hCaptcha sites pass CLS. Akamai Bot Manager trails 19 points behind, leaving 29% of its sites failing. computed
The State of Web Vitals · October 2026 · 210,902 crawled 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 26%
772.4s
95115ms
860.05
712.0s
511.4s
hCaptcha 0.5%
862.0s
93130ms
900.04
801.6s
661.1s
Cloudflare Turnstile 0.2%
802.3s
84146ms
810.07
731.9s
531.3s
DataDome 0.1%
772.4s
86156ms
810.05
791.7s
641.1s
Akamai Bot Manager 0.1%
662.8s
73205ms
710.13
612.1s
411.2s
Imperva Bot Management 0%
663.1s
90143ms
730.11
632.2s
501.2s
PerimeterX/HUMAN 0%
533.5s
77198ms
800.06
403.3s
402.3s
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: 90% of its sites pass. Akamai Bot Manager trails at 71%. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Push notifications (5) → Image CDNs (9) → RUM (14) → Marketing pixels (10) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured
210,902 crawled sites with Chrome field data, representing millions of real page loads. How we measured.