Anti-Bot Difficulty Index

as of September 17, 2026
Anti-bot difficulty index by vendor
VendorScoreTrend
empty_response100.0
0.0
datadome99.8
0.0
cloudflare95.8
0.0
small_block_page94.7
0.0
cloudflare_turnstile94.0
0.0
imperva_soft93.0
0.0
akamai_waf86.1
0.0
imperva82.8
0.0
soft_block79.5
0.0
cloudflare_managed_challenge70.3
0.0
access_denied53.2
0.0
imperva_js35.5
0.0
cloudflare_js34.3
0.0
perimeterx_hold_button31.8
0.0
aws_waf31.3
0.0
cloudflare_blocked27.7
0.0
js_render_required27.1
0.0
akamai24.1
0.0
captcha22.4
0.0
blocked15.3
0.0
shape11.1
0.0
kasada6.6
0.0
cloudfront_geo_block3.3
0.0
perimeterx2.3
0.0

Normalized 0-100 anti-bot difficulty score, 90-day window. Higher = harder to bypass. Methodology

Data: AlterLab · Licensed CC BY 4.0
    Anti-Bot Difficulty Index — Embeddable Widget | AlterLab