This week, Joel reflects on the little known news that Google has changed the way it analyses links on the web.

Joel chews over some ideas relating to Google‘s knowledge graph, which could lead to significant changes in how the search engine works.

Joel presents a run down of Google‘s latest algorithm changes and points out any significance for SEO.

Checked your robots.txt file recently? If not, now might be the time to do so, as Joel explains.

Joel looks at the changes to webmaster tools, namely the implementation of author stats.