Google has a long history of famous algorithm updates, search index changes and refreshes. Here is a timeline of major Google search algorithm updates. Want to read our latest coverage of algorithm ...

Google made a big shakeup to the cryptography world by announcing a public collision in the SHA-1 algorithm. The Wall Street Journal's Robert McMillan breaks down what this means for web security.

Google published a research paper describing how it extracts “services offered” information from local business sites to add it to business profiles in Google Maps and Search. The algorithm describes ...

In this edition of Ask An SEO, we address a familiar challenge for marketers: How do you keep stakeholders from abandoning SEO when algorithm updates cause traffic drops? This is an all-too-common ...