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PageRank
(or PR in short) is a system for ranking webpages developed by Google founders Larry Page and Sergey Brin at Stanford University. It's used to give each page a relative score of importance and authority by evaluating the quality and quantity of its links.
Page Speed
Is “a measurement of how fast the content on your web page loads.”
Pageview
(or pageview hit, page tracking hit) is an instance of a page being loaded (or reloaded) in a browser. Pageviews is a metric defined as the total number of pages viewed.
Paid Search
is a form of digital marketing where searchengines such as Google and Bing allow advertisers to show ads on their search engine results pages (SERPs).Paid search works on a pay-per-click model, meaning you do exactly that – until someone clicks on your ad, you don't pay.
PBN
Private Blog Network.
Portable Document Format file.
Persona
Are fictional characters which are typically used in the user-centered design process to represent the different user types of a website. They can, however, be useful in your online marketing campaigns
Personalization
The method where search engines uses personal data to customise user experience when browsing, either through use of cookies, web browser history, location etc.
PHP
Is a script language and interpreter that is freely available and used primarily on Linux Web servers. PHP, originally derived from Personal Home Page Tools, now stands for PHP: Hypertext Preprocessor, which the PHP FAQ describes as a "recursive acronym."
Piracy
Occurs when software, which is illegally obtained through Internet channels, usually through peer-to-peer file sharing systems or downloaded from pirate Web sites that make software available for download for free or in exchange for users who uploaded software.
Pogo-sticking
Is defined as going back and forth from a search engine results page (SERP) to an individual search result destination site. In other words, pogo-sticking is when the searcher clicks on a link on a SERP, sees that it's not what she is looking for, and immediately bounces off by hitting the back button.
Position
Refers to a website's position in the search engine results page. There are various ranking factors that influence whether a website appears higher on the SERP based on the content relevance to the search term, or the quality of backlinks pointing to the page.
Pay Per Click (PPC)
Pay-per-click, also known as cost per click, is an internet advertising model used to drive traffic to websites, in which an advertiser pays a publisher when the ad is clicked. Pay-per-click is commonly associated with first-tier search engines.
Preferred domain
Is the one that you would liked used to index your site's pages (sometimes this is referred to as the canonical domain). ... If you don't specify a preferred domain, we may treat the www and non-www versions of the domain as separate references to separate pages.
Private Blog Network (PBN)
A PBN is a network of websites used to build links (and therefore pass authority) to a single website for the purpose of manipulating search engine rankings. ... PBNs usually provide little to no long-term value to the websites they are linking to.