411 REFERENCE · Wikibooks
CAPTCHA
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
File:CAPTCHA wikibook.png The Wikibook
This book will show:
How to make a CAPTCHA
Typical CAPTCHA usages
Chapters
/Why?/
/Usages/
/Integration/
Pre-made
Roll your own
The Anti-CAPTCHA
The Anti-CAPTCHA - Stronger
Images and PHP
Plugins
/Conclusion/
Internet
C
75%