The new version of Firebug is now available. It’s the 1.0 beta release. It contains some great new features and I’d advise you to try it out if you develop web sites. Joe was pondering to make the new version a commercial release. Instead he has now decided to leave it Open Source but asks for donations.
As a web developer I often have to debug HTTP problems. At local.ch we also do the frontend/backend communication using the HTTP protocol, so sometimes I also have to debug that. So over the whole time I’ve been doing that, some tips have accumulated. LiveHTTPHeaders LiveHTTPHeaders is a Firefox extension that allows to see the headers exchanged between the browser and server. It adds a “Headers” tab in the page information. This window can be accessed with Apple+I on the Mac or Ctrl+I on Linux and Windows. The headers tab shows a list of the headers that Firefox sent to the server and a separate list of the response headers sent by the server. ...