The company was founded in 2007 by Or Offer inTel Aviv, Israel. By 2009, Similarweb won the first IsraeliSeedCamp, attracting the attention of international media and investors. The company was described as a competitor toAlexa.[5]
On February 24, 2014,Naspers invested $18 million into Similarweb and leading their Series C round. Within a month, Similarweb used a part of the capital for the acquisition of Israeli early-stage company TapDog for a few million dollars in shares and cash, less than a year after TapDog was founded.[6]
In May 2021, Similarweb made its public debut on theNYSE at a $1.6 billion valuation.[7][8]
Similarweb develops tools that enable the analysis of the traffic and behavior of users onwebsites andapps. The service provides datasets and a platform marketed for individuals, teams, or companies requiring data for marketing, sales, andmarket research. The data is collected from a number of different sources that provide information about the internet and app usage of users, including various information partners, and anonymous data from users of the various dedicatedbrowser addons that the company distributes.[9][10]
Similarweb ranks websites and apps based on traffic and engagement metrics. Its ranking is calculated according to the collected datasets and is updated on a monthly basis with new data. Also, The ranking system covers 210 categories of websites and apps in 190 countries and was designed to be an estimate of a website's popularity and growth potential. The company ranks websites based on traffic and engagement data, and ranks apps in theApp Store (iOS/iPadOS) andGoogle Play Store based on downloads, installs and active user data.
Since its founding, Similarweb has made several acquisitions to expand its technology and data capabilities:
2015 –Swayy, a personalized content discovery platform developer.[11][12]
2015 –Quettra, aSilicon Valley–based mobile intelligence startup, to boost its mobile operations.[13][14]
2021 –Embee to extend Similarweb's mobile user data sets.[15]
2022 –RankRanger to extend Similarweb's offering to the SEO industry. Rank Ranger provides keyword rank tracking services and advanced APIs that have been added to Similarweb's existing SEO tools to create a more comprehensive suite.[16]
2024 –Admetricks and42matters expand its ad and app intelligence offerings.[17][18]
2025 –The Search Monitor to enhance its paid Search and affiliate marketing Solutions.[19]
$250.0 million (2024)[3]
(in English, French, German, Spanish, Italian, Portuguese, Russian, Japanese, Turkish, and Chinese)
