It loads without issue for me. Try restarting in troubleshoot mode. https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems https://support.mozilla.org/en-US/kb/troubleshoot-issues-related-to-add-ons ---- That may fix the issue without more but, if it persists, you need to test your extensions. If none are at fault, try right-clicking the site in History then ''Forget about this site''. Make sure you have a backup record of your user name and password before doing that because they will be forgotten also. https://support.mozilla.org/en-US/kb/delete-browsing-search-download-history-firefox#w_remove-a-single-website-from-your-history