Can I use Sockjs instead of ajax to retrieve page contents?

[awill2]

I'm thinking about use Sockjs to retrieve all the site contents with a JSON.
I have some drawback doing this?
What the max length that a sockjs can handle?
Should I replace my ajax calls to Sockjs or its a bad idea?
Thank you.

[brycekahle]

SockJS does not replace AJAX calls. It even uses them in some cases. I urge you to read up on WebSockets to understand the technology SockJS emulates.