Search results
Results from the WOW.Com Content Network
A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically ... Search crawler until Yahoo ...
They combined the capabilities of search engine companies they had acquired and their prior research into a reinvented crawler called Yahoo!. The new search engine results were included in all of Yahoo's websites that had a web search function. Yahoo! also started to sell the search engine results to other companies, to show on their own websites.
WebCrawler was highly successful early on. [15] At one point, it was unusable during peak times due to server overload. [16] It was the second most visited website on the internet in February 1996, but it quickly dropped below rival search engines and directories such as Yahoo!, Infoseek, Lycos, and Excite in 1997.
robots.txt is the filename used for implementing the Robots Exclusion Protocol, a standard used by websites to indicate to visiting web crawlers and other web robots which portions of the website they are allowed to visit. The standard, developed in 1994, relies on voluntary compliance.
Web search engines are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software .
A search robot that traverses between web pages, analyzing their content. [10]: The crawler is responsible for fetching web pages from the internet. Each peer in the YaCy network can crawl and index websites. The crawling process involves: Discovery: Finding new web pages to index by following links. Fetching: Downloading the content of web pages.
Distributed web crawling is a distributed computing technique whereby Internet search engines employ many computers to index the Internet via web crawling.Such systems may allow for users to voluntarily offer their own computing and bandwidth resources towards crawling web pages.
Throughout its lifetime it combined web search results from sources including Google, Yahoo!, Bing (formerly Live Search), Ask.com, About.com, MIVA, LookSmart and other search engine programs. MetaCrawler also provided users the option to search for images, video, news, business and personal telephone directories, and for a while even audio.