Simon Willison’s Weblog

Google’s undocumented favicon to png convertor (via) Showing the favicon of a domain next to a link is a really nice trick, but it’s slightly tricky to achieve as IE won’t display a .ico file if you link to it from an img element, so you need to convert the images server-side. This undocumented Google API does that for you, meaning it’s much easier to add favicons as a feature to your site. 30th August 2008, 8:40 pm

In rainbows. Dopplr generates a unique colour for each city using an MD5 hash. The colours are then used in subtle but intelligent ways throughout the design—right down to the favicon. 23rd October 2007, 10:39 pm