If you want to host your files there are many sites mentioned below.
But My personal favorite is HotLinkFiles as it allows you to direct linking to the hosted file
Second choice is Box.net for its lots of frills and customisations.
but many others sites…
There are numerous online tools which you can use to optimise your website. One such tool is
http://builtwith.com/
BuiltWith is a website analysis tool, providing technical analysis and SEO optimization information to further your website’s marketing, sales and navigation effectiveness.
Try…