SEO Testing is a tool from SanityCheck.io, created in November 2016 by Nick Swan. It is a tool that allows SEO professionals to increase their traffic based on experimentation and testing. Indeed, SEO Testing allows you to do SEO tests thanks in particular to split SEO tests and time-based SEO tests. It helps to easily spot trends by generating data summaries from the Google Console in a dashboard. In addition, it is a tool that allows to establish a modification log of sites and integrations, thanks to the Google Chrome extension. SEO Testing provides services to nearly 1800 users. It is also recommended by many SEO experts around the world.