Firefox intermittently verifies my site's certificate


#1

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is: classroomechanics.com

I ran this command: went to login page of my site.

It produced this output: yellow lock and message saying site encryption broken

My web server is (include version): apache version info not available

The operating system my web server runs on is (include version): Linux version not avaialble

My hosting provider, if applicable, is: siteground

I can login to a root shell on my machine (yes or no, or I don’t know): no

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): yes, cpanel

When I go to my site with firefox, I frequently see a yellow padlock and there is no site verified by information, even though I use Let’s Encrypt. Occasionally, I see the site with a green padlock and it says verified by Let’s Encrypt. So I am trying to figure out why it seems to only be able to verify the Let’s Encrypt dertificate intermittently. Below are screen shots on snag.gy to show what I am talking about.

https://snag.gy/E1bKz6.jpg - Shows classroomechanics.com with yellow lock and broken encryption, no verified by info

https://snag.gy/rE8AM7.jpg - Shows same site a few minutes later with green lock and verified by Let’s Encrypt

My other site Landsremote.com, on the same host and using Let’s Encrypt seems fine.

https://snag.gy/kXeRwJ.jpg - landsremote.com with green lock and Let’s Encrypt verification

https://snag.gy/jyh48E.jpg - Shows let’s encrypt verfication

Anyone know why this might be happening???


#2

That’s an odd one. Your webfonts are loaded insecurely (and therefore not at all, thanks to mixed content blocking), but that doesn’t seem to affect the green padlock in Firefox (at least for me). Maybe it’s some conditionally loaded image, or a browser extension? Firefox’s console (Menu -> Web developer -> Web console) may give you more information about what’s going wrong.


#3

Try https://www.whynopadlock.com/ to scan your page for insecure items. If any resources are loaded insecurely it will point them out to you, though if those resources are loaded by Javascript it might miss them.


#4

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