WA metasearch engine is an online Information retrieval tool that uses the data of a web search engine to produce its own results. Metasearch engines take input from a user and immediately query search engines for results. Sufficient data is gathered, ranked, and presented to the users.
WCopernic Inc. is a company based in Ottawa, Ontario, Canada, specializing in desktop metasearch engine technology for information on the World Wide Web. They also provide home and business software products for desktop, web and mobile users through their web sites.
WDogpile is a metasearch engine for information on the World Wide Web that fetches results from Google, Yahoo!, Yandex, Bing, and other popular search engines, including those from audio and video content providers such as Yahoo!.
WExcite is a web portal launched in 1995 that provides a variety of content including news and weather, a metasearch engine, a web-based email, instant messaging, stock quotes, and a customizable user homepage. It is currently operated by IAC Applications of IAC, and Excite Networks. In the U.S., the main Excite site has long been a personal start page called My Excite. Excite also operates an e-mail service, registration for a new account was not obtainable for a short period but was obtainable again in late 2019.
WFilesTube was a metasearch engine that specialized in searching files in various file sharing and uploading services, such as Mega. It also included sections for videos, games, lyrics and software.
WInfo is a metasearch engine that provides results from search engines and directories, including Google, Yahoo!, Ask, Teoma, AlltheWeb, Inktomi, Yandex, Open Directory, Kanoodle, LookSmart and About.com. News search is powered by Topix.net and Info.com's shopping database is powered by Shopping.com. Info.com can also do White Page and Yellow Page searches. Info.com has search plugins for Google Chrome, Internet Explorer and Firefox.
WKayak.com, sometimes styled as KAYAK, is a travel agency and metasearch engine owned and operated by Booking Holdings. The company also runs travel search engines checkfelix, Mundi, Hotels Combined, and swoodoo.
WKiwi.com is a Czech online travel tech company founded by Oliver Dlouhý and Jozef Képesi in 2012. Through its online portal Kiwi.com provides a fare aggregator, metasearch engine and booking for airline tickets and ground transportation. Its ticket search features Kiwi.com’s "virtual interlining" concept – itineraries combined from over 750 carriers, including many that do not usually cooperate in online bookings. The booking service also features a service known as Kiwi.com Guarantee, which claims to protect customers from missed connections caused by delay, schedule change, or cancellation. Today, the company handles more than 100 million searches every day and sells an average of 33,000 seats per day. Kiwi.com currently employs over 2,600 people. In November 2019, the company announced its vision to become the world’s first Virtual Global Supercarrier (VGS).
Wliligo.com is a metasearch engine that specialises in travel. Launched in 2006, the website does not sell anything but allows users to compare travel products.
WSearx is a free metasearch engine, available under the GNU Affero General Public License version 3, with the aim of protecting the privacy of its users. To this end, searx does not share users' IP addresses or search history with the search engines from which it gathers results. Tracking cookies served by the search engines are blocked, preventing user-profiling-based results modification. By default, searx queries are submitted via HTTP POST, to prevent users' query keywords from appearing in webserver logs. Searx was inspired by the Seeks project, though it does not implement Seeks' peer-to-peer user-sourced results ranking.
WYippy is a metasearch engine that groups search results into clusters. It was originally developed and released by Vivísimo in 2004 under the name Clusty, before Vivisimo was later acquired by IBM and Yippy was sold in 2010 to a company now called Yippy, Inc. At the time, the website received 100,000 unique visitors a month.