SEO & GEO

Google raises new suggestions about rankings

Matt Cutts hints page speed may soon feed the ranking algorithm. Suddenly HTTP caching, Expires headers and hosting choices stop being purely developer concerns.

SEO & GEO

PDF indexing and ranking test

A controlled experiment on how search engines index and rank PDF files — thirteen documents on a fresh domain, the same text, small variations, and the daily SERP log.

SEO & GEO

Google testing new style in the SERPs

Underlined links, breadcrumbs, new snippets — Google keeps rearranging the visual furniture of the SERPs. How much does a few pixels of extra space really move the CTR?

SEO & GEO

Google is dabbling with real time search? May be.

Hacking the QDR parameter in Google's URL lets you filter results by the last X minutes — or seconds. A small trick, possibly a sign of where real-time search is heading.