PUBLIC MARKS with tags Request & dev

Add, modify and filter http request headers. You can modify the user agent string, add headers to spoof a mobile request (e.g. x-up-calling-line-id) and much more. Take a look at the help tab of the Modify Headers window...

While trying to help Dare make his MovieFinder page run in Firefox, I ran into an issue that can make developing AJAX applications a pain: when testing your pages, you need to host them in the same domain as your services. I explain the details of the problem and how the "XMLHttpRequest - Bypass Security" Greasemonkey user script solves it. Note: this script is meant for development only, as it gives the page access to a potentially dangerous API. The default @include is "file:///*", but feel free to restrict it even further to the path for the pages you're trying to tweak. You should never have to @include an http ur