If you are planning to hire an SEO agency in San Francisco, then you must look for some specific features. There are some SEO agencies that work in this area of digital marketing and the methods each of them uses can vary significantly. nYou must look for realistic claimsnThere are two groups within the SEO industry- 1) White Hat  SEO and 2) Black Hat SEO. These two groups line up on both the positive and negative sides of the issues. A white hat SEO will follow industry-approved techniques while the black…