Reply Rachel suggests: July 24, 2017 at 6:47 am I’ve been working with Sumo for about a yr. I just cancelled my account for 2 reasons. one – Some of their applications ONLY work on the latest browsers and working devices (in contrast to all in their significant competition). http://imp-link97639.blogadvize.com/1640081/not-known-details-about-sumo-seo