What sort of website was in the title, that got removed?
If you aren't a newbie, why would you post a 'suspicious link' in the title of a thread about how to 'double a few BTC's'?
The only legitimate way to 'double your BTC' is through smart trading/investing. You can instantly double your btc through gambling, but most sites aren't really fair, despite their claims of 'provably fair! we swear!'
My advice: if you're creating a website (it seems like you need developers), make something good and profit that way (through ads or service fees). Create a site that offers something in need, so people use it