Strict CSP (Content-Security-Policy) for Next.js hybrid apps https://web.dev/strict-csp/

Content Security Policy module for Silverstripe

Middleware for setting the Report-To HTTP response header

Sample application experimenting with Report-To header and receiving reports (Report API)

[Incubating Project] — Laravel Reporting Observer using the Reporting API to defines a new HTTP header, Report-To, that gives web developers a way to specify server endpoints for the browser to send warnings and errors to. Browser-generated warnings like CSP violations, Feature Policy violations, deprecations, browser interventions, and network …

HTTP reporting middleware

HTTP cross-origin opener policy(COOP) middleware