Hi Khaldoun,
My suggestion is find your competitors sites and check their stats with Alexa see their customer profiles..assess what you personally like about their site layout, images, colors , highlight text, fonts, bold etc and use their ideas for your site.
I joined a membership site just recently that allows me to search 10,000 largest advertisers on the net in new and profitable niches, monthly traffic figures for affiliate websites and so on ...helps to know how the big guns pull their sales.
My advice is checkout tabletpcreview[dot]com and see what you like about their website...this website sends 110093 visitors per month to pcworld.com
Hope that helps
Richard

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