The Origin Of The Species Of Search Engines, Part 2
As the internet grew in popularity, then exploded into a huge amount of data, search engines faced increasing challenges. As thousands of pages are added every day, and many of those are changed on a daily basis, search engines have to constantly update their information regarding those sites. Part of the search engine race has been attempts to make the crawling more efficient and faster, so that the search engines can document new web sites when they come up. Some search engines download entire sites and keep the entire thing in its own hard drives.
When one thinks of modern search engines, the thing that most likely comes to mind is Google. It definitely wasnt one of the pioneers, since it only started to gain popularity around 2001. However, it grew insanely fast, and now has the majority market share by far of any search engine, with 74% of all searches in the world made by Google. Its popularity can be attributed to the fact that it brought about many new and revolutionary techniques for listing pages. It considered factors such as popularity, original content, choices of past searches, how many other sites...