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Firefox opens in basic html for slow connections -- how do i change this back?

webishop14
webishop14
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As Firefox opens and loads the default home page, at the lower right hand corner of the window is displayed the message "load in basic html for slow connections." About a month ago, my computer ran into connection issues, and now when Firefox opens, this message no longer appears because Firefox now opens in basic html mode. How do I reverse this change?

As Firefox opens and loads the default home page, at the lower right hand corner of the window is displayed the message "load in basic html for slow connections." About a month ago, my computer ran into connection issues, and now when Firefox opens, this message no longer appears because Firefox now opens in basic html mode. How do I reverse this change?

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Sorry, but what page shows that? It sounds like a message from a complex site like Gmail or Yahoo Mail? Usually you would only see that if the site monitors certain performance parameters to trigger that message.

If your connection speed has improved and the site isn't switching back to full features, you could try "the usual":

If the site is generally known to work in Firefox, these are general suggestions to try when it stops working:

Cache and Cookies: When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.

(1) Clear Firefox's Cache

See: How to clear the Firefox cache

If you have a large hard drive, this might take a few minutes. If you do not see the number going down on the page, you can reload it using Ctrl+r to check progress.

(2) Remove the site's cookies (save any pending work first). While viewing a page on the site, try either:

  • right-click (on Mac Ctrl+click) a blank area of the page and choose View Page Info > Security > "View Cookies"
  • (menu bar) Tools > Page Info > Security > "View Cookies"
  • click the padlock or "i" icon in the address bar, then the ">" button, then More Information, and finally the "View Cookies" button

In the dialog that opens, the current site should be pre-filled in the search box at the top of the dialog so you can remove that site's cookies individually.

Then try reloading the page. Does that help?

Testing in Firefox's Safe Mode: In Safe Mode, Firefox temporarily deactivates extensions, hardware acceleration, and some other advanced features to help you assess whether these are causing the problem.

If Firefox is not running: Hold down the Shift key when starting Firefox.

If Firefox is running: You can restart Firefox in Safe Mode using either:

  • "3-bar" menu button > "?" button > Restart with Add-ons Disabled
  • Help menu > Restart with Add-ons Disabled

and OK the restart.

Both scenarios: A small dialog should appear. Click "Start in Safe Mode" (not Refresh).

Any improvement? (More info: Diagnose Firefox issues using Troubleshoot Mode)