Google’s Gary Illyes reveals the search index uses a tiered system where the most popular content is indexed on faster, more expensive storage.The post Google Uses Faster Storage For High Demand Pages via @MattGSouthern appeared first on Search Engine Journal.

Although it’s a long way from being a Google competitor, DuckDuckGo’s business model may serve as a playbook for new search engines. Please visit Search Engine Land for the full article.