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Is Block Site safe?

This security report analyses whether Block Site is safe to install on your browser. We check Block Site for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Block Site is safe for your personal or enterprise fleet.

Low risk

Legitimate website blocking extension with password protection. Uses declarativeNetRequest API for blocking sites. No data exfiltration, privacy issues limited to one benign fetch for page title display.

0Risk

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

Publishers can request a review.

Updated 10 April 2026lebiggkccaodkkmjeimmbogdedcpnmfb

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