| private label rights | This is a license that some digital products have which permits reuse, modification, or reselling. |
| yoast | Yoast is run by Joost de Valk, developer of various plugins such as the Yoast SEO WordPress plugin. |
| viral marketing | Viral Marketing is the act of creating content that gets popular very fast. The terminology comes from viruses, that also spread very fast. Its not easy to make a viral content, but once you get the hang of it, you can profit a lot. The easiest way of making viral content is through video. |
| spam score | A Moz metric used to quantify a domains relative risk of penalization by using a series of flags that are highly correlated with penalized sites. |
| follow links | Links that have influence on the rankings of the linked site. These links help communicate a signal of trust in a web page to search engines. |
