| link heat | See Link Juice. |
| keyword phrase anchor links | Links that use keywords or phrases as anchor text. |
| exact match anchor text | the term used when the anchor text of a backlink or internal link exactly matches the keyword or phrase the linked to page is hoping to rank for. |
| cost per action | (CPA) A method of measuring the effectiveness of online advertising. A monetary value is assigned to a specific action, which can be anything from a click to a user submitting their personal information. This structure is often utilized by affiliate marketing programs. For example, an affiliate marketer will get paid a certain amount of money every time a user clicks a certain ad. |
| pfi | (PAY FOR INCLUSION) This is the practice of charging a fee to include a web site in a directory or search engine. |