Task: How to Learn SEO: Sources, Evidence and Checking Advice

The documentation changelog has dated entries with “What” and “Why” fields and an RSS feed The Search Central Blog publishes official core algorithm updates, announcements of features and SEO best practices On SEO Office Hours, Googlers from the Search Quality team answer questions from site owners Advice is reliable if a well-known SEO blog published it DA is a Google ranking factor, as Moz itself writes