|Headquarters||San Francisco, California, U.S|
|Industry||Internet information providers|
|Products||Alexa Web Search (discontinued 2008)
|Parent||Amazon.com (acquired 1999)|
|Alexa rank||▲ 2,066 (July 2016[update])|
|Type of site||Web traffic and ranking|
Alexa is an Internet service that measures how many Internet users visit a website. At Alexa.com, people can enter a website address and Alexa will show them how well-visited the website is. It can also tell them how its popularity has changed over time. Alexa has 6 million unique visits monthly.
Alexa was created in 1996 by American businessman Brewster Kahle and Bruce Gilliat. In 1999, Alexa was bought by Amazon.com for about US$250 million in Amazon stock. Alexa provides a free API that is used by services and toolbars all around the world to easily display Alexa Rating.
Some virus companies mark Alexa toolbar as adware (McAfee), trackware (Symantec) and potentially unwanted Program.
Alexa Facts for Kids. Kiddle Encyclopedia.