| Although the abbreviated word CAPTCHA sounds somewhat weird, we cannot but use it nearly every day. The World Wide Web is a lovely spot where users communicate, exchange information, do business in a cheap and convenient manner. But simultaneously it is a paradise spot for spammers, hackers & on-line fraudsters, with tons of spam & junk mail circulating around the global net.
The abbreviated term CAPTCHA stands for 'Completely Automated Public Turing test to tell Computers & Humans Apart'. It appeared in 2000 as protection software. It is a compulsory test that users have to before posting an e-mail. There are various types of a CAPTCHA test. However, the most widespread one is a mixture of figures and characters often crossed with a line. Characters are written in several directions. Thus, it takes a user several seconds to comprehend what a prompt box contains. Some World Wide Web users can find the CAPTCHA test excessive. Nevertheless, it is an all-important preventative measure to protect your mail box from spam or junk mail.
In fact it is the computer that creates a test & assesses how successfully a user has passed it. But the computer is unable to solve a test itself. So, if you solve a test correctly, the computer will identifies you as human, since bots cannot solve a CAPTCHA test. This is how the computer identifies if users are human or bots.
Spam is known to be attacking Spam is known to have been assaulting the global net for years. In general, there are various anti-spam protection modules which sort out mail. Yet, Drupal CAPTCHA is thought to be much more effective. Alongside the spam protection, the module secures the protection process as well. The Drupal CAPTCHA adds a compulsory test to all forms used by users or guests.
As stated above, the CAPTCHA module is in great demand in the technologically advanced era we live in. Thus, before you choose a CAPTCHA service provider, assure it will fulfill your requirements. There are also free trial versions you may get from potential service providers before you choose an appropriate one. Some CAPTCHA modules are compatible with a number of programing languages. Do also assure that your service provider will guarantee a backup server in a remote system to maintain an unstoppable running of the system, in case a problem arises. |
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