There’s no doubt that SEO can be a confusing, yet incredibly important task for businesses both big and small. Enter Y Combinator -backed GinzaMetrics , which is unveiling its “pro-sumer” SEO software today. GinzaMetrics’ software, which is in private beta, is aimed at being an easy-to-use application that lets companies bring SEO in-house instead of paying agencies do it, which can be costly …