Simon Willison’s Weblog

When Bugs Collide: Fixing Text Dimming in Firefox 2. Handy tips from Drew on fixing the glitchy text rendering in Firefox 2 when you animate opacity without breaking alpha-transparent PNGs in IE6. 19th June 2008, 6:09 pm

Obscure bugs revisited: IE, HTTPS and plugins. Filed for future reference: IE breaks mysteriously if you serve it up plugin content (e.g. Flash) over HTTPS with a no-cache header—it deletes the file from cache before the plugin software gets a chance to open it. 30th May 2008, 9:54 am

Operation Aborted. Another fantastically obscure IE bug: appending new elements to the HEAD element breaks if a BASE tag is present. 16th August 2007, 11:21 am

Using hasLayout to fix bugs in IE. With illustrative screen shots. 2nd December 2006, 2:10 pm