| Hacker101 | Good Exercises for Beginners, can earn you private Invites on HackerOne |
| CTFChallenge | Web CTF based on real vulnerabilities |
| Pentesterlab | Good Labs with a broad variety of Topics, some very good Web Application Exercises |
| BugBountyHunter | Learn how to test for security vulnerabilities on web applications |
| Will it CORS? | Tell this magic CORS machine what you want, and it’ll tell you exactly what to do |
| TryHackMe | Cool Hacking & Pentesting Labs with Web Challenges |
| HackTheBox | provides Testing Labs, some Web Application Challenges |
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