Seo technology and the things to learn
A good SEO company can properly explain to you how they are going to go about improving your ranking. They have good consultants who can explain to you their planned marketing goals for your site. They should be able to have specific plans and not use tricks in improving your rank in search engines. Read beforehand the web master guidelines of the different search engines, like Google and Yahoo. Then ask them about how they are going to specifically abide with the guidelines and improve your rank.