Websites don't load - troubleshoot and fix error messages

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Are you having trouble getting a website to load? Don't worry — we're here to help. This article will show you how to fix the problem so you can get back to surfing the web.

Note: If you see the shield icon Mixed Content Shield in the address bar and you're having trouble with that website, please see Mixed content blocking in Firefox

First, let's figure out where the problem is

With a little detective work, we can narrow down the cause of the problem.

  1. Open a new tab and check to see if you can load another website like or
  2. Launch another browser, like Internet ExplorerSafariGoogle Chrome, and try to open the site you were having problems with.

The problem only happens with certain websites

If you see any of these error messages, it might just be a problem with Firefox's cache:

  • The connection was interrupted
  • The connection was reset
  • The connection has timed out

Try clearing Firefox's cookies and cache

Do these steps and then reload the website you're having trouble with.

  1. Click the menu button New Fx Menu , choose History and select Clear Recent History....
  2. In the Time Range to clear: drop-down, select Everything.
  3. Click the arrow next to Details to display the list of items that can be cleared.
  4. Select both Cookies and Cache.
  5. Click Clear Now.

If clearing Firefox's cookies and cache didn't work, it's probably a sign that there is a problem with the website itself. In that case you'll just have to wait for it to get fixed. With big sites like Twitter or Facebook this may only be a few minutes.

If you don't see any of the error messages above, check to see if any of the specific problems below match what you see:

The website loads but doesn't work properly

If the website doesn't look right or doesn't work the way it's supposed to, you should check out the following articles:

The problem only happens on a secure (https) website

Look at the web address in the location bar. Does it start with https:// (notice the "s")? If so, check if you see one of the following error messages:

The problem only happens in Firefox

If another web browser works just fine, one of following solutions should fix things:

If you see the following error messages, Firefox is trying to access the internet through a proxy server :

  • The proxy server is refusing connections
  • Unable to find the proxy server

To check your proxy settings:

  1. Click the menu button New Fx Menu and choose Options.Preferences.
  2. Select the Advanced panel.
  3. Select the Network tab.
  4. In the Connection section, click Settings….
  5. Change your proxy settings:
  6. Close the Connection Settings window.
  7. Close the about:preferences page. Any changes you've made will automatically be saved.
  1. Click the menu button New Fx Menu and choose Options.Preferences.
  2. In the General panel, navigate to the Network Proxy section.
  3. In the Network Proxy section, click Settings….
  4. Change your proxy settings:
  5. Close the Connection Settings dialog.
  6. Close the about:preferences page. Any changes you've made will automatically be saved.

The problem happens in all web browsers

This is probably a problem with your internet connection. See Firefox and other browsers can't load websites for some troubleshooting suggestions.

Other, less common problems

Based on information from Error loading websites (mozillaZine KB)

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