- Site speed
- How quickly a web site responds to web requests. Often measured as a length of time. As of April 9, 2010 Google began using this as a ranking factor for some searches.
- Beyond search engine optimization, a site which responds faster to web requests — a site with faster page load times — will be more responsive and provided a better user experience to humans.
- Sites with faster site speed will often incur fewer expenses for their owners in terms of bandwidth usage.
