Same-Origin Policy Tester
Test cross-origin requests and evaluate Same-Origin Policy restrictions.
Same-Origin Policy Tester
- Consider using CORS headers to allow cross-origin requests
- You may need to implement a CORS preflight request handler
Example Scenarios
Common
Security
Edge Cases
Analyze Cross-Origin Request Behavior
Simulate cross-origin requests and understand how browsers enforce the Same-Origin Policy.
Simulate Cross-Origin Requests
Test requests between different origins to analyze Same-Origin Policy enforcement.
Supports Various Request Types
Test XHR, fetch, images, scripts, styles, iframes, and forms for cross-origin behavior.
Get Security Recommendations
Receive warnings and best practices to resolve blocked cross-origin requests.
How to Use the Same-Origin Policy Tester
Enter the source and target origins, including scheme, host, and port.
Select the request type (XHR, image, script, iframe, etc.) and access type.
Run the test to check whether the request is allowed or blocked.
Review warnings and recommendations for resolving policy restrictions.
Frequently Asked Questions
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