What to know if your salary matches with others? PayScale offers employers a large database of individual employee compensation profiles. The site provides a precise snapshot of the job market.
Their profiling system indexes custom employee attributes and specific job titles for every industry. They offer different kinds of memberships: My PayScale Membership is for free and provides a basic salary comparison to individuals with similar job titles in the same geographic area, and job listings and educational opportunities according to your profile. If you think that this is not enough you can get a My PayScale and PayScale Premium Membership and they’ll provide you give more accurate information, a salary negotiation guide, other data about vacations, health benefits and profit sharing, and job listings attached with educational opportunities that match your profile. 
