Anti-Bot Services
13 anti-bot providers blocking web scrapers. See which scraping APIs bypass each one.
Anti-bot services compared
Hard
Cloudflare
cloudflare.com
Cloudflare is mostly known for its CDN service but it also offers a powerful web application firewall (WAF) and anti-bot protection used to block web scrapers.
3
targets
Hard
PerimeterX
perimeterx.com
PerimeterX (now HUMAN Security) is a cloud based security solution that provides DDoS and anti bot protection. It's mostly known for relying heavily on AI based behavior analysis.
2
targets
Hard
DataDome
datadome.com
DataDome is an European based anti bot solution that provides DDoS protection and bot mitigation which also includes web scraper blocking.
1
target
Medium
Akamai
akamai.com
Akamai is a global CDN provider that also offers a wide range of security solutions including anti bot protection which is used to block web scrapers
1
target
Hard
Kasada
kasada.com
Kasada is a bot mitigation solution that provides DDoS protection and anti bot protection which is also used to block web scrapers.
1
target
Medium
Imperva
imperva.com
Imperva Incapsula is a cloud based security solution that provides DDoS protection and anti bot protection which is also used to block web scrapers.
No benchmarked target yet
Medium
AWS WAF CAPTCHA
aws.amazon.com
AWS WAF is Amazon Web Services' web application firewall. Its Bot Control rules answer suspicious clients with a silent JavaScript challenge or a CAPTCHA puzzle before the page is served.
2
targets
Hard
F5 Bot Defense (Shape Security)
f5.com
F5 Bot Defense (Shape Security, now sold as F5 Distributed Cloud Bot Defense) guards logins, sign-ups and checkouts with polymorphic, heavily obfuscated JavaScript that changes on every request.
No benchmarked target yet
Medium
Castle
castle.io
Castle is a fraud and account-protection service that scores every login, sign-up and transaction from a browser fingerprint and request signals, and blocks or challenges the risky ones.
1
target
Hard
reCAPTCHA
google.com
Google's reCAPTCHA is the most widely used CAPTCHA on the web: the “I'm not a robot” checkbox and image puzzles of v2, and the invisible risk score of v3 and reCAPTCHA Enterprise.
No benchmarked target yet
Hard
hCaptcha
hcaptcha.com
hCaptcha is a privacy-focused alternative to reCAPTCHA that asks visitors to label images, with a passive risk-score mode in its Enterprise plan.
No benchmarked target yet
Medium
FingerprintJS
fingerprint.com
FingerprintJS (Fingerprint) identifies browsers from hundreds of device signals and flags bots, headless browsers and tampering, so a site can block or challenge them.
No benchmarked target yet
Medium
GeeTest
geetest.com
GeeTest is a CAPTCHA provider best known for its slide puzzle, which judges the way the piece is dragged as much as where it lands. It is widely used in Asia and on crypto and gaming sites.
No benchmarked target yet