Simon Willison’s Weblog

2 items tagged “filtering”


HTTP + Politics = ? Mark Nottingham ponders the technical implications of Australia’s decision to apply a filter to all internet traffic. Australia is large enough (and far enough away from the northern hemisphere) that the speed of light is a performance issue, but filtering technologies play extremely poorly with optimisation technologies such as HTTP pipelining and Google’s SPDY proposal. # 15th December 2009, 3:36 pm

Understanding Bidirectional (BIDI) Text in Unicode. It turns out you need to sanitise user input to ensure there are no unicode characters that switch your site’s regular text to RTL. # 15th March 2009, 4:37 am