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Is Similarweb - Website Traffic & SEO Checker safe?

This security report analyses whether Similarweb - Website Traffic & SEO Checker is safe to install on your browser. We check Similarweb - Website Traffic & SEO Checker for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Similarweb - Website Traffic & SEO Checker is safe for your personal or enterprise fleet.

Critical risk

Similarweb extension monitors WebSocket, XMLHttpRequest, and Fetch API calls across visited websites to collect traffic analytics data for its market intelligence service.

v6.12.17Chrome Web Store
75Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 10 April 2026hoklmmgfnpapgjgcpechhaamimifchmp

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