One programmer is doing to me one CMS ( http://online.priteshloke.com/ ). The page is too heavy. The programmer say for the banners, instead I think for javascript. Using this too ( http://www.websiteoptimization.com/services/analyze/ )l , I see that are 77876 bytes of Javascript ( http://online.priteshloke.com/templates/wpt_template/javascript/prototype.js ) is it helpfull this Javascript ? why I have 77876 bytes of javascript ? can you help me ?
Prototype.js is a very good javascript library. But probably your site don't use most (if any) of their features. Ask your programmer what is he using from that library; and if you really need it, you can use a compressed version.