I'm using a library I made in node.js (https://github.com/danzajdband/Tuiter) to retrieve the tweets server-side via the Twitter Streaming API (https://dev.twitter.com/docs/streaming-apis). Then I send the "Twitter client" to the client using Socket.IO. I'm refreshing the chart, not the entire site, every 500 ms = 1/2 seconds to update the chart.

I'm updating every 500ms and not every time I receive a tweet because of performance issues.

Thanks for the feedback.