via keycdn.com => original post link
When it comes to the world wide web, there are both bad bots and good bots. You definitely want to avoid bad bots as these consume your CDN bandwidth, take up server resources, and steal your content. On the other hand, good bots (also known as web crawlers) should be handled with care as they are a vital part of getting your content to index with search engines such as Google, Bing, and Yahoo. In this blog post, we will take a look at the top ten most popular web crawlers.
What are web crawlers?Web crawlers are computer programs that browse the Internet methodically and automatedly. They are also known as robots, ants, or spiders.
Crawlers visit websites and read their pages and other information to create entries for a search engine’s index. The primary purpose of a web crawler is to provide users with a comprehensive and up-to-date index of all available online content.