Cloudflare Page Shield

Complete client-side security. Keep your end-users’ browsers safe.

Page Shield protects your website visitors from client-side attacks that target vulnerable JavaScript dependencies.

  • Get full visibility into active scripts and their connections
  • Detect malicious behavior on your end-users’ browsers
  • Instantly mitigate all supply chain attacks

360-degree visibility

Continuously monitor active scripts, changes to the scripts and their connections.


Instantaneous detection

Threat intelligence and machine learning based detection to identify malicious behavior on your end-users’ browsers.


Prevention and mitigation

Act immediately: get alerts of newly detected scripts, scripts loaded from unknown domains, new scripts considered malicious, or code changes in your existing scripts.

Cloudflare recognized over 60x by leading analysts

World-class application security from Cloudflare

World-class application security from Cloudflare

The Cloudflare web application firewall (WAF) is the cornerstone of our advanced application security portfolio that keeps applications and APIs secure and productive, thwarts DDoS attacks, keeps bots at bay, detects anomalies and malicious payloads, all while monitoring for browser supply chain attacks.

Trusted by millions of Internet properties

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