| contextual advertisement | This type of advertisement is related to the content on the site. |
| pay-for-performance | Term popularized by some search engines as a synonym for pay-per-click, stressing to advertisers that they are only paying for ads that perform in terms of delivering traffic, as opposed to CPM-based ads, where ads cost money, even if they dont generate a click. |
| noopener | Noopener is a value that can be assigned to the rel attribute in a link to protect against reverse tabnabbing. It does not have an impact on SEO in a link that it is added to. |
| domain score | measures the importance of a domain on a 100 point scale based on the volume of links pointing back to the domain. |
| vpn | (Virtual Private Network) A virtual private network adds a layer of security to your connection. Its usually used to encrypt data and hide location. Its useful as you can protect yourself from cybernetic attacks. |
