Similarweb Competitors

Semrush, An Adobe Company, is the leading digital brand visibility platform, empowering marketers to command their online presence and create measurable impact. Built on the industry’s most expansive proprietary dataset, Semrush delivers AI-driven insights across SEO, Agentic Search Optimization, content marketing, paid media, and social strategy. Used by over 28 million users globally – from scaling startups to the Fortune 500 – Semrush provides the competitive intelligence needed to win visibility in an evolving digital landscape. The company is headquartered in Boston, MA with a global presence across North America, Europe and Asia.

Comscore (NASDAQ: SCOR) is a global, trusted partner for planning, transacting and evaluating media across platforms. With an unmatched data footprint that combines digital, linear TV and over-the-top viewership intelligence with advanced audience insights, Comscore empowers media buyers and sellers to quantify their multiscreen behavior and make meaningful business decisions with confidence. A proven leader in measuring digital and TV audiences and advertising at scale, Comscore is the industry's emerging, third-party source for reliable and comprehensive cross-platform measurement. To learn more about Comscore, please visit Comscore.com.

Quantcast is the AI-powered ad platform built for performance marketers. Leveraging nearly 20 years of expertise, our mission is to radically simplify open internet advertising. We harness AI and machine learning to deliver superior audience intelligence and drive exceptional campaign performance. With real-time audience intelligence, end-to-end workflow simplicity, and future-proof cookieless reach, Quantcast helps advertisers and agencies of all sizes understand audiences deeply, act faster, and turn ad spend into measurable growth.