JavaScript Redirect Checker
JavaScript Redirect Checker
Execute client DOM scripts in a real Chrome browser CDP instance to capture window.location redirects and location-conditional JS forwards.
CDP Browser Execution
What the JS Redirect Checker Detects
Real headless Chrome browser execution capturing DOM script events.
Window.location Modifications
Detects window.location.replace() and window.location.href triggers that cURL tools report as static 200 OK pages.
Googlebot WRS 2nd Wave Simulation
Simulates Googlebot Web Rendering Service (WRS) rendering pipeline to uncover delayed client-side indexing risks.
Frequently Asked Questions
JavaScript Redirect FAQs
Standard tools only inspect initial HTTP response headers. Because JS redirect pages return a 200 OK header before script execution, non-browser clients fail to detect them.