| multivariate testing | Testing multiple variables at the same time in order to find a winning combination. |
| hits algorithm | Hyperlink-Induced Topic Search is a link analysis algorithm that assesses a value not just based on content and inbound links (authorities), but also its outbound links (hubs). |
| htaccess | A hidden server configuration file that help to rewrite or redirect URLs on sites running on Apache. |
| gtlds | Shorthand for generic top-level domains, this is one of the categories of top-level domain in the Domain Name System that comprises of domain name extensions with three or more characters including .com, .net, .org. etc. |
| local citations | Content mentions of a business name, domain name, or URL from local sources. Typically these are text mentions. |
