Last week we changed our name to Google Search Central and published our new central site. As part of this site migration, we’re also consolidating the Google Webmaster Blogs into one place on the new site. Today, we’re announcing that this page within the Google Search Central site is the new home for our blog. We migrated all of the archived blog posts, dating back to 2005.
Source: Google Webmaster Central Blog
Link: We moved! Introducing the new home for the Google Webmasters blogs