I just don't want to ever have to drop down File and uncheck Work Offline.
You first need to fix a few things that can be causing some serious problems with your Firefox.
Reset your User Agent: Websites say that Firefox is outdated or incompatible even though it's the latest version
Update Firefox: Update Firefox to the latest version
Update your plugins: https://www.mozilla.org/en-US/plugincheck/
Then try again