Performance slow with kineticjs

Question

Sorry if this question was asked already, I\'ve tried to find it by couldn\'t.

I have a canvas that should eventually show about 400-500 rectangles 20-30 pixels heig

Answer 1

Drawing 500 shapes will do that. Of course performance will also depend on computer speed, browser (chrome is currently the fastest - but obviously you'll need acceptable performance on all browsers).

Check out this link about performance and ways to improve it.