I can access the Bank's site from the link in your post above. Try clearing cache and cookies. Also consider what settings you have on any privacy or ad-blocking software. Blocking ad's may speed things up or it may conceivably block access. ----------- If you have problems with only one site and only in Firefox, the problem is often outdated or corrupt files relating to that web page. I suggest you try the following. *Note <br /> It '''looks''' complicated but check the site after each numbered step, the first or 2nd step may solve the problem<br /> The linked articles have '''pictures''' ( screen shots) of the actions you need. # Try using the sites home page or a direct link and not a bookmark.<br /> Try link http://www.santander.co.uk # Reload website using an extra step to use avoid using the cached info. #* Hold down the Shift key and left-click the Reload button <br />OR Press '"Ctrl + F5"' |(Mac ) "Cmd + Shift + R" #Clear the cache, and cookies only from problem websites. ##<u>Remove the cookies </u>for a single problem website <br />Use: FirefoxButton / Tools → Options → |Privacy| → "Remove individual cookies"<br /> See: [[Delete cookies to remove the information websites have stored on your computer#w_delete-cookies-for-a-single-site]]'''_delete-cookies-for-a-single-site''' ## <u>Clear the cache</u> <br />Use ''FirefoxButton / Tools → Options → |Advanced | → Network >'' <br /> See: [[How to clear the Firefox cache#w_clear-the-cache]]_clear-the-cache # If the above did not work try in Firefox'[http://kb.mozillazine.org/Safe_Mode s] Safe Mode to check if an extension or some other factor causes the issue. <br /> Use: FirefoxButton /Tools → Help → ''Restart with Addons disabled... ''. <br />See: [[Troubleshoot Firefox issues using Safe Mode]] <br />also see [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]

You can also check the Network log in the Web Console (Firefox/Tools > Web Developer;Ctrl+Shift+K) *https://developer.mozilla.org/Tools/Web_Console You need to reload the page (F5) to make Firefox create the log.