Dogpile is a metasearch engine for information on the World Wide Web that brings results from Google, Yahoo!, Yandex, Bing, and also various other popular online search engine, including those from audio as well as video web content carriers such as Yahoo!
Dogpile began procedure in November 1996. The website was produced as well as established by Aaron Flin, who was frustrated with the varying results of existing indexes and intending on making Dogpile question several indexes for the best search results. It initially supplied web searches from Yahoo! (directory site), Lycos (inc. A2Z directory), Excite (inc. Excite Guide directory), WebCrawler, Infoseek, AltaVista, HotBot, WhatUseek (directory site), and World Wide Web Worm. It normally drew comparisons with MetaCrawler, a multi-threaded search engine that had existed in the past, yet Dogpile was more advanced, and it could additionally search Usenet (from resources including DejaNews) as well as FTP (by means of Filez and other indexes).

In August 1999, Dogpile was obtained by Go2net, that were currently operating MetaCrawler. Go2net was after that acquired by InfoSpace in July 2000 for $4 billion. Dogpile got a facelifted design for the first time in December 2000.

The Dogpile internet search engine made the J.D. Power as well as Associates honor for finest Residential Online Search Engine Service in both 2006 and 2007.

In August 2008, Dogpile as well as Petfinder agreed to a search collaboration.

In November 2008, Dogpile launched its "Search as well as Rescue" program, which gives away cash to animal-related charities. The program also aids individuals find help for pets in need. By early-December 2008, people utilizing the Dogpile search engine had increased $100,000 for Dogpile's Search and also Rescue program.

In July 2016, Blucora revealed the sale of its InfoSpace organisation to OpenMail for $45 million in money, placing Dogpile under the ownership of OpenMail. OpenMail was later on renamed System1.