Help Center/ Edge Security/ Best Practices/ Traffic Fraud Prevention Policy/ Intelligent Defense/ JavaScript-based Anti-Crawler

Updated on 2025-09-15 GMT+08:00

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JavaScript-based Anti-Crawler

After JavaScript-based anti-crawler is enabled, when a client sends a request, the server returns a segment of JavaScript code to the client to check whether the client is a normal browser. This function depends on the cookie mechanism and JavaScript parsing capability of the browser.

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