Created attachment 8827450 [details] screen1.jpg User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:51.0) Gecko/20100101 Firefox/51.0 Build ID: 20170112171116 Steps to reproduce: open http://html5test.com/ for the first time (I have only been able to reproduce it with some tabs open, and also after installation, but it happens and in several versions of windows. It does not happen in subsequent loads of the page so it's been hard to reproduce but I attach the screens) Actual results: The first time executed it will show 468 out of 555, and the "Content Security Policy 1" security test failed. Expected results: The normal execution shows 471 out of 555, and the "Content Security Policy 1" security test succeeded.
[bugday-20170118] Unable to reproduce this on Nightly 52.0a2 (2017-01-17) (64-bit) on Linux Mint 64bit. The score remained same on multiple tests and Content Security Policy 1 passes everytime
WFM with FF51: "Your browser scores 471 out of 555 points" Could you retest with a fresh profile, please. https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → INCOMPLETE
Can't seem to reproduce this in newer versions.
Resolution: INCOMPLETE → INVALID
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