Google Algorithm Change History - Moz
Google dropping "Mobile-friendly" label from search results
The Top Heavy Update: Pages With Too Many Ads Above The Fold Now Penalized By Google’s "Page Layout" Algorithm
PolicyBlog: Vanity Searcher Loses Lawsuit Against Google, Yahoo
Google and Yahoo cleared of infringing psychologist’s trade name
Official Google Webmaster Central Blog: FAQs about the April 21st mobile-friendly update
Official Google Webmaster Central Blog: An update on doorway pages
Official Google Webmaster Central Blog: HTTPS as a ranking signal
Google Notebook Search
SEO - Search Engine Optimization | Read SEOmoz, Rank Better
Search Engine Marketing Industry News
Search Engine Marketing Industry News