[eluser]Pascal Kriete[/eluser]
[quote author="EEssam" date="1224236965"]And even worse, creating a captcha database table to track it.[/quote]
By default, CodeIgniter stores it's session in a cookie. So if you store the captcha value in the session, you're sending a clear text version to the user.
The image
is generated on the fly - it's done on the same request because of the above reason. Doing it dynamically with a new request really wouldn't change the performance. It'll save you 5kb.
Quote:What? Was this plugin coded by a beginner?
Quite rude, and certainly not the best way to get an answer in this community.