Aside from looking for SEO experts who had been rated by known people as an authentic expert in the similar online business domain where you are engaged into or you might have known after conducting thorough research on the web, you may also opt to check the claiming expert himself on how ready he is in providing the apt details during the time you find yourself in doubt on the issues related to SEO. The moment he does not satisfy you with his answers and you feel like he’s hiding something, be careful, as the techniques he might be using might have a negative impact on your site and most likely to the ranking of your website.