Bot detection impact

Performance impact by bot_detection provider.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Desktop field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Bot detection impact

Performance impact by bot_detection provider.

6
Providers ranked
After min-sites filter
51,303
Sites in sample
Combined across all items
1.8s
Best LCP (p75)
hCaptcha
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 hCaptcha 1.8s 90.3%
979
2 Cloudflare Turnstile 2.0s 87.4%
387
3 reCAPTCHA 2.1s 83.2%
49,481
4 DataDome 2.2s 81.3%
227
5 Akamai Bot Manager 2.4s 77.9%
174
6 Imperva Bot Management 3.0s 69.8%
55
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
hCaptcha 0.5% 979 90% 1.8s
Cloudflare Turnstile 0.2% 387 87% 2.0s
reCAPTCHA 26% 49,481 83% 2.1s
DataDome 0.1% 227 81% 2.2s
Akamai Bot Manager 0.1% 174 78% 2.4s
Imperva Bot Management 0% 55 70% 3.0s
PerimeterX/HUMAN 0% 13 55% 4.8s
Kasada 0% 2 50% 9.2s
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

90% of hCaptcha sites pass LCP. Akamai Bot Manager trails 12 points behind. 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
DataDome 0.1%
812.2s
99103ms
730.12
761.7s
601.3s
Akamai Bot Manager 0.1%
782.4s
91119ms
680.13
731.8s
501.1s
Cloudflare Turnstile 0.2%
872.0s
9877ms
800.09
801.6s
561.2s
PerimeterX/HUMAN 0%
554.8s
90154ms
550.27
454.0s
453.9s
reCAPTCHA 26%
832.1s
9969ms
760.10
781.7s
561.3s
hCaptcha 0.5%
901.8s
9875ms
800.08
861.4s
71963ms
Imperva Bot Management 0%
703.0s
9581ms
630.21
632.3s
491.5s
Kasada 0%
509.2s
100169ms
00.41
1001.5s
50831ms
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 LCP: 90% of its sites pass. Akamai Bot Manager trails at 78%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals Push notifications (5) → Image CDNs (9) → RUM (14) → Marketing pixels (10) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured