The new Scraper Test Drive stage is on, called CAPTCHA. What can the scrapers perform to get through the “robot fighters”? The off-the-shelf scrapers are not designed for CAPTCHA solving by default. Furthermore, some stated that “bypassing Captchas was compatible with Internet good ethics”. I agree with this, but for the full Scraper Test Drive taste, we still want to try out the scrapers. more…

Using CAPTCHA for spam protection

A CAPTCHA is a test to tell wether a user is human or a robot. It allows to protect web sites from robot intrusion, while allowing human users to navigate the site normally.

In this post we will scope out CAPTCHA types, services and the tools for CAPTCHA generation. Also we will investigate some CAPTCHA solving software and services and touch on new trends for CAPTCHA and bot protection techniques. more…

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