Everything you need to know about Feature Snippets, including strategies to rank in the "Position #0" spot.| Backlinko
A large-scale analysis of 11 million Google search results. We look at how content, backlinks and several other factors correlate with Google rankings.| Backlinko
Okay, I’m calling it: if you’re using guest blogging as a way to gain links in 2014, you should probably stop. Why? Because over time it’s become a more and more spammy practice, …| Matt Cutts: Gadgets, Google, and SEO
Check out the complete history of Google's Penguin algorithm and learn how it impacted the practice of SEO.| Search Engine Journal
Yoast SEO Premium helps you rank higher & makes SEO easier. The plugin costs $99/€99/£99 per year. Optimize more keywords, redirects, internal links & more!| Yoast