work on wordpress website

Already a responsive site but needs to be checked to work across all platforms and be totally responsive. [login to view URL] Pics I have are decent quality for the most but were downgraded in attempt to improve load speed- quality needs to come back on pictures that are lower quality. Load speed needs to be 3 seconds or less but is around 8-10. Security Upgrade because... (Adware was coming up on find us,about us and booking page and now on history page, health benefits page. Ads need to be blocked permanenty and code remobved permanently - I will have this done by a specialist company so is not part of the job.) Can't ugrade wp e-commerce due to complications that occur each time I do it. Website generally gets out of shape. Needs to be done and fixed so I can do it in future. Uninvited code on Ozone c4 product page-front end. Need to replace outdated and deleted tiny mce so that headings size 1,2,3 can be placed on pages. Verify "Ontoplists" to be a safe link to add to site? "Lessons" + "learn to kitsurf in 2 "+ "learn to kitsurf in 3 days" + "Home" + "Booking page" need : Some kind of attention grabing stamp- with "Course packages to include premium hove lagoon wake wire class!" Paypal /facebook/ google perhaps need to be put at the end of the page as they seem to be in the way. Website needs to have more of a 1 2 3 approach to simplify help people get to what they want and ease transition through our very wide selection of courses. ------------------------------------------------------------ Booking page needs reworking as not very visually uniform or appealing. All products in a more organized and uniform (sexy) look. On booking page clear product categories need to be in order