Improve the Error Screen
At the moment if you mistype a url it shows you what you typed in the Web Address panel of the error screen - which is good...
What is bad however, is that there is no means to correct it... If you use the browser back button the url is blank. The error screen doesn't allow you to copy the url. which would allow you to paste it back into the url bar and correct. The only option seems to start again and type the whole over... Even allowing one to copy the url in the Web Address field would be a help. Even better would be a field that shows what you typed with an edit facility to make amendments, and a "Go" button to try again...
You are actually better off without the web proxy in this situation as you get a message like "This site can’t be reached" from the browser with a reason, and the unreachable url stays in the url address bar so you can amend and try again...
From forum post https://www.clearos.com/clearfoundation/social/community/what-features-or-changes-would-you-like-to-see-around-here#reply-246781