What Adblocker are you using?

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block (wanted) content (Adblock Plus, NoScript, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block (wanted) content. *make sure your extensions and filters are updated to the latest version There is Tracking Protection that can block (wanted) content, so check the location/address bar for special icons. Firefox shows the shield icon in the location/address bar when Tracking Protection is blocking content. *https://support.mozilla.org/en-US/kb/tracking-protection-firefox You can check the Web Console for more detail about what content is blocked. *https://developer.mozilla.org/en/Tools/Web_Console