Spotted in disguise:http://www.worldmarket.com/search.do?query=tim+tams
3. There are a lot of helpful tutorials online regarding optimizing JS – this is the link you were provided and covers the basics: http://code.tutsplus.com/tutorials/10-ways-to-instantly-increase-your-jquery-performance--net-5551
4. There are sections in your JS file that are commented and are essentially dead code – please remove these.
Hopefully this helps