If images are missing then check that you do not block images from some domains. *you can tap the Alt key or press F10 to show the Menu Bar Check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions". Check "Tools -> Page Info -> Media" for blocked images *select the first image and use the cursor Down key to scroll through the list *if an image in the list is grayed and "<i>Block Images from...</i>" has a checkmark then remove this checkmark to unblock images from this domain You can check these preferences on the <b>about:config</b> page and make sure they have the default value. *permissions.default.image (1) *network.http..sendRefererHeader (2) <hr> There is Tracking Protection that can block (wanted) content, so check the location/address bar for special icons. *https://support.mozilla.org/en-US/kb/control-center-site-privacy-and-security-firefox If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block (wanted) content (e.g. Adblock Plus, NoScript, Flash Block, Ghostery) then always make sure such extensions do not block (wanted) content. *make sure that your extensions and filters are updated to the latest version There is security software that can interfere with loading content, so check that as well. See also: *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems *http://kb.mozillazine.org/Images_or_animations_do_not_load *http://kb.mozillazine.org/Websites_look_wrong