🆚 AWS WAF Captcha vs. Cap
AWS WAF Captcha is much more popular than Cap.- AWS WAF Captcha is more popular in the United States, Singapore, and the United Kingdom.
Cap is more popular in Chile and Russia.
Type
About
AWS WAF Captcha is a feature of the AWS Web Application Firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding.
It allows users to embed a 
JavaScript API in client-side applications, apply captcha or silent challenge actions based on rate-based, bot control, or custom inspection rules, and configure token immunity time.
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.
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
- ⭐ 4th most popular in the United States in the Captchas category.
- ⭐ 4th most popular in Singapore in the Bot Mitigation category.
- ⭐ 4th most popular in Singapore in the Captchas category.
- ⭐ 4th most popular in the United Kingdom in the Captchas category.
- ⭐ 6th most popular in Singapore in the WAF 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.
🗃️ 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 4,046,631 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.