Simon Willison’s Weblog


Thursday, 23rd September 2010

evercookie—virtually irrevocable persistent cookies (via) Mischievous genius from the chap who created the MySpace worm—evercookie attempts to set an irrevocable cookie using a whole bunch of different methods, including “storing cookies in RGB values of auto-generated, force-cached PNGs using HTML5 Canvas tag to read pixels back out” and an extremely clever scheme built on top of the web history CSS visited link colour vulnerability. # 1:35 am

Google Chrome Frame: Stable and Speedy (via) “Today, we’re very happy to take the Beta tag off of Google Chrome Frame and promote it to the Stable channel.”—MSI installer included, for IT administrators to easily deploy Chrome Frame to multiple machines. # 1:34 am

I pushed 20 more of my projects to GitHub. Some great Node.js stuff here from Peteris Krumins, including modules for processing PNG, JPEG and animated GIFs. # 1:18 am

2010 » September