Chrome 68 "Not secure" How to make it in red color?
Yes, we do have that option
Result
The result being all non-HTTPS pages in red color:
Setting it up
Access internal settings:
chrome://flags/
Look for:
Mark non-secure origins as non-secure
or use this direct link (thanks to Baptiste Candellier):
chrome://flags#enable-mark-http-as
And set it to:
Enabled (mark as actively dangerous)
