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
0.09
Best CLS (p75)
hCaptcha
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | hCaptcha | 0.09 | 79.1% | 1,089 | |
| 2 | Cloudflare Turnstile | 0.09 | 79.8% | 415 | |
| 3 | reCAPTCHA | 0.10 | 76.1% | 54,929 | |
| 4 | DataDome | 0.12 | 71.8% | 254 | |
| 5 | Akamai Bot Manager | 0.14 | 66.3% | 198 | |
| 6 | Imperva Bot Management | 0.19 | 63.3% | 64 |
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Cloudflare Turnstile 0.2% 415 0.09
hCaptcha 0.5% 1,089 0.09
reCAPTCHA 26% 54,929 0.10
DataDome 0.1% 254 0.12
Akamai Bot Manager 0.1% 198 0.14
Imperva Bot Management 0% 64 0.19
PerimeterX/HUMAN 0% 15 0.20
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
80% of Cloudflare Turnstile sites pass CLS. Akamai Bot Manager trails 14 points behind, leaving 34% of its sites failing. computed
The State of Web Vitals · October 2026 · 210,902 crawled 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
reCAPTCHA 26%
832.1s
9970ms
760.10
791.7s
561.3s
hCaptcha 0.5%
901.8s
9975ms
790.09
871.4s
71963ms
Cloudflare Turnstile 0.2%
872.1s
9778ms
800.09
791.6s
561.3s
DataDome 0.1%
802.3s
99103ms
720.12
751.8s
591.3s
Akamai Bot Manager 0.1%
762.5s
90122ms
660.14
731.8s
531.1s
Imperva Bot Management 0%
713.0s
9681ms
630.19
672.3s
531.4s
PerimeterX/HUMAN 0%
463.6s
92123ms
540.20
393.6s
393.1s
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.
Cloudflare Turnstile leads on CLS: 80% of its sites pass. Akamai Bot Manager trails at 66%. computed
The State of Web Vitals · October 2026 · 210,902 crawled sites · desktop 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.