CodeMastery Test CI3.0

The idea might be good but it is a long way to go. This kind of websites need a huge effort on UX. Right now the major improvements can be done on design and speed:

1) Bootstrap for sure. I can guarantee you 100% that it's not a problem of bootstrap / jQuery that your site is slow.

2) In terms of speed you can obviously get better servers but an idea that you could also use with or without servers is to depend heavily on javascript to avoid loading pages at all. This kind of websites need a fast user experience and only pull the minimal amount of info from the server. Basically the user will be using is browser to process most of the application and then by ajax you only communicate the minimal amount of info between the server and the client.