Too many banners good for website SEO?

many ad blocks on site reduce search engine rankings. site needs focused on content few ads support it. create better user experience google , other search engines for. if unsure factors of site affect seo , want increase rankings should use seomoz. seomoz great tool boost traffic sure.

going launch classified website , planning create around 800+ banners direct advertisement on website generate revenue..

create 800 banners on site, has effects on seo?

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