Stuck on the sidelines? Competitors speeding past you? Wondering how they’re climbing the SERP rankings faster than Pemba Dorje, who climbed Mount Everest in only eight hours? Here’s a little secret: It’s all about the backlinks. Link building is one of “The Big Four” ranking factors—along with optimized content, a great mobile experience and technical …

Trends come and go—including blog commenting SEO. A mere 150 years ago, the most effective way to contact someone was to send them a letter. Then came the telephone. Then communication technology exploded. Now you can write letters or emails, shoot out instant messages, hold video conferences or send flurries of social media posts. Each new …