A server configuration file that can be used to rewrite and redirect URLs.

After search engines moved to secure search in 2011, keyword data was removed from Google Analytics, replaced with “(not provided)” – thus making it impossible to know which queries were responsible for visitors finding a website.
Recommended reading:
Not Provided: A Complete Roundup

The format search engines used to display search results; ten organic results all appearing in the same format.

Coined by Rand Fishkin to describe content that is “10x better” than anything else on the web for that same topic.

A class of status codes that indicate the request for a page has succeeded.

A signal to the search engines that a web page has moved. A person attempting to reach the original page gets taken to a new page that’s the closest match.