I reviewed the site in Chrome using a 1650 x 1020 monitor.  Chrome has the following extension installed: PageSpeed Insights (by Google), and this is all stuff that would make the page load faster.

• Optimize images  (images likely contain meta data, making them larger then they need to be).
• Enable Compression (server config, most things should be transmited compressed).
• Serve scaled images (you shouldn't be resizing the image with HTML, make it smaller and serve it actual size).
• Combine small things into CSS Sprites, the site makes 9 HTTP requests for icons.
• Minify JavaScript  (combine JS files via a Concatenation tool)
• Minify CSS (combine CSS files via a Concatenation tool)
• Set browser caching on a number of images.

Not related to speed per say, but other things I noticed:

• Flash video intro doesn't fall back to HTML 5.

• Video auto plays, takes up my full screen, and if the scroll bar didn't exist, I wouldn't even know I could scroll the page. Because I can't see content below it.

• Consider adding a 'Contact' option to the Global Navigation.

• Running the markup through a validaitor returns 41 errors and 3 warnings:

• http://validator.w3.org/check?uri=http%3A%2F%2Fwww.salamashield.org%2F&charset=%28detect+automatically%29&doctype=Inline&group=0

For me, the page is loading with something like 270 requets, at more than 25 megs of data.   I don't know what network infrastructure in Africa is like, but that's hard for people here (US), and I strongly advise reworking that to be as low as possible.  

Again, that wasn't a full review but was what I noticed after about 10 minutes on the site.  If you have questions, feel free to ask.