| directory listing | see Citations. |
| protocol | The http or https preceding your domain name. This governs how data is relayed between the server and browser. |
| link shadow | Noun phrase. The group of Websites that can only be reached via links from a Website that blocks crawling of its own pages. Link shadows may be used to intentionally hide Websites from certain search indexes such as business intelligence resources. |
| needs met rating | A rating awarded by human quality evaluators at Google, which determines how well a page meets the need(s) of a user arriving at it. There are five levels: fails to meet, slightly meets, moderately meets, highly meets, or fully meets. |
| domain name server | (DNS) A naming format that pairs a domain name or host with a certain TCP/IP address. |
