ithub.githubassets.com; style-src 'unsafe-inline' github.githubassets.com; upgrade-insecure-requests; worker-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/ content-encoding: gzip server: github.com x-github-request-id: 897C:1CA41A:A6A9F11:7BC4690:69AC87AE X-Firefox-Spdy: h2