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
0.02
Best CLS (p75)
hCaptcha
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | hCaptcha | 0.02 | 91.6% | 525 | |
| 2 | reCAPTCHA | 0.03 | 87.3% | 25,928 | |
| 3 | DataDome | 0.06 | 82.6% | 121 | |
| 4 | Cloudflare Turnstile | 0.09 | 75.8% | 190 | |
| 5 | Akamai Bot Manager | 0.13 | 71.2% | 110 |
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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 0.02
reCAPTCHA 27.3% 25,928 0.03
Imperva Bot Management 0% 38 0.07
DataDome 0.1% 121 0.06
Cloudflare Turnstile 0.2% 190 0.09
Akamai Bot Manager 0.1% 110 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
92% of hCaptcha sites pass CLS. Akamai Bot Manager trails 21 points behind, leaving 29% of its sites failing. computed
The State of Web Vitals · Q1 2026 · 94,910 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
reCAPTCHA 27.3%
762.5s
92137ms
870.03
702.0s
521.3s
hCaptcha 0.6%
862.0s
85159ms
920.02
801.6s
661.1s
Cloudflare Turnstile 0.2%
832.3s
80179ms
760.09
771.7s
611.1s
DataDome 0.1%
682.5s
73214ms
830.06
741.8s
561.2s
Akamai Bot Manager 0.1%
662.8s
62243ms
710.13
582.2s
401.2s
Imperva Bot Management 0%
673.1s
79194ms
870.07
532.6s
501.7s
PerimeterX/HUMAN 0%
672.6s
80129ms
1000.04
502.6s
501.9s
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: 92% of its sites pass. Akamai Bot Manager trails at 71%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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.