🆚 Cap vs. GeeTest
Cap
GeeTestType
About
Cap is an open-source, self-hosted 
reCAPTCHA alternative that verifies visitors without visual puzzles, tracking, or third-party services.
It uses a two-layer verification model that combines proof-of-work challenges accelerated with 
WebAssembly and Web Workers, including SHA-256 hashing and optional GPU-resistant time-locks.
GeeTest is a Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic.
It features adaptive challenge mechanisms that adjust verification methods based on risk levels, combines behavioral verification with risk scoring and account protection tools, and supports more than 70 languages.
Headquarters
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- ⭐ 6th most popular in China in the Captchas category.
- ⭐ 7th most popular in China in the Spam Protection category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
hCaptcha
Cloudflare Turnstile
Yandex SmartCaptcha
Altcha
Tencent Captcha🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,604,716 websites. However, data for Cap is still being collected and reflects a smaller subset of sites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.