45s is waaaay too long :) will make that better.
The goal is to create a real-time snapshot of the bitcon ecosystem & to build context around the data so it's simple to consume and understand. Price was a logical place to start, hope to add more types of data in the future.
4-5 seconds in FF here.
As far as tech it's node + engine.io + backbone. I can go into more detail though if you have any questions.
Also check out, https://github.com/socketstream/socketstream
Can you give some specifics as to what the tech is behind BitJoy and what your plans for it are?