http://web.archive.org/web/20120713090416/http://www.spiralknights.com/
The difference?
The first one (July 13th, 2013) shows a time when there was a perfect balance between updates and events/promos. The second one (Now) shows the current page which is littered with promos and events.
Hey cool. It also shows when they had more programmers and the lead dev that made the game.
Plus it shows how the forum community posted in an already made thread instead of making duplicates to voice thier own opinion.