The term bot refers to Internet robot that is also known as web bot, web crawler, web spider and robot. All the bots are either software application or web script that varies in task and performance. It is used in multiple tasks but most commonly used for searching the content or link, especially when the text is repeated. Many times it also performs a crucial role in search engine.
Bots are developed in such a way that it can recognize the word easily within bulk of web material. That’s why it is mostly used for indexing the word on a search engine. It runs period continuously in the repetitive manner like loops and check out the existence of the content. It is also used for recognizing the relevance of the content in the web pages. Besides this it also gathered the links through visiting different sites wherever it goes. It checks the links and errors in the HTML code and also displays it to the user.
Other function of web robot is that it collects email addresses, used in Instant Messaging for interaction and communication, censoring and monitoring the spam, collecting information regarding whether, date and time and also used in the auction site in the bulk mass for selling any product very quickly. It is also a favorite part of gaming sites. Most commonly gaming sites prefers web spiders in their software.