So you are a java programmer and you loose many minutes waiting for re-deploy time every time you’ve got to test a change in HTML or CSS. Please stop and read on:
1. download and install scrapbook extension for firefox
2. open in firefox the page you want to modify
3. save the page with ScrapBook extension
4. open the scrapbook dock (control + K on WIN, option + K on OSX)
5. look for your html page
6. left click on page, choose TOOLS and then SHOW FILES
7. edit HTML or CSS to test your modification
8. reload the page (the one saved by ScrapBook)
if you have to test only CSS, let’s give a try to editCSS firefox extension that let you edit a site CSS and see changes on the fly for all the pages you browse.