![]() ![]() The Content-Security-Policy header disallows tags with inline code by default.See CSP: default-src on MDN for full options here.'self' means that resources can only be loaded from the current host, useful for relative resources like.Multiple such sources can be provided for the same *-src directive. https: limit resources of the specified type, or all resources, to HTTPS only.These limit the sources of various types of resources. default-src, script-src, object-src, etc.For Keep Ruby Weird, this means fonts, several external image sources, and a couple of analytics sources. The failure here is "CSP header not implemented", and when we view the linked security guideline we see that CSP gives us control over where scripts and resources we reference on our site can be loaded from. We'll walk through each failing test, learn what caused the failure, and try to fix them. X-Frame-Options (XFO) header not implementedĮven though we use Heroku's Automated Certificate Management to easily get an SSL certificate for our domains, our overall score is an F, 20/100. X-Content-Type-Options header not implemented Subresource Integrity (SRI) not implemented, but all scripts are loaded from a similar origin Referrer-Policy header not implemented (optional) Initial redirection is to https on same host, final destination is https HTTP Strict Transport Security (HSTS) header not implemented HTTP Public Key Pinning (HPKP) header not implemented (optional) ![]() Test Scores TestĬontent Security Policy (CSP) header not implementedĬontent is not visible via cross-origin resource sharing (CORS) files or headers Let's take a look at the scores Observatory gives for a fairly straightforward Static Buildpack app. #Hstracker hide header how toObservatory by Mozilla helps websites by teaching developers, system administrators, and security professionals how to configure their sites safely and securely. ![]()
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