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CSP EVALUATOR



CSP Evaluator allows developers and security experts to check if a Content
Security Policy (CSP) serves as a strong mitigation against cross-site scripting
attacks. It assists with the process of reviewing CSP policies, which is usually
a manual task, and helps identify subtle CSP bypasses which undermine the value
of a policy. CSP Evaluator checks are based on a large-scale study and are aimed
to help developers to harden their CSP and improve the security of their
applications. This tool (also available as a Chrome extension) is provided only
for the convenience of developers and Google provides no guarantees or
warranties for this tool.

CONTENT SECURITY POLICY

Sample unsafe policy Sample safe policy

Paste CSP or URL (starting with http:// or https://) here.




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CSP Version 3 (nonce based + backward compatibility checks) CSP Version 3 CSP
Version 2 CSP Version 1 help
Select the CSP version your policy should be evaluated against.
E.g. CSP Nonces are only supported in CSP v2, a browser only supporting CSP v1
will ignore them.


Check CSP




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