Link: We spent a week making Trello boards load extremely fast. Here’s how we did it. January 23, 2014 http://blog.fogcreek.com/we-spent-a-week-making-trello-boards-load-extremely-fast-heres-how-we-did-it/ An interesting look at real-world performance optimization. In-browser profiling sure has come a long way. Via https://news.ycombinator.com/item?id=7103815