| PB |
Petabyte. A petabyte is one trillion Megabytes. |
| PERL |
Practical Extraction and Report Language. |
| PFI |
Pay For Inclusion. Some search engines offer the ability for a webmaster to pay to have their site listed or frequently spidered/indexed. PFI programs do not guarantee high rankings; only that your site will be checked for updates frequently. |
| PHP |
PHP Hypertext Preprocessor. PHP is an HTML embedded scripting language. |
| PPC |
Pay Per Click. |
| PPV |
Pay Per Visitor. |
| PR |
Pagerank. Google's proprietary system for judging link popularity on web sites. |
