| primary keyword | The most important keyword that drives the biggest traffic to a specific web page. |
| user generated content | The term speaks for itself. Forums have user generated content. This kind of content is really useful. Its unique, and you dont have to put much effort into creating it. Medium is built with user generated content. This concept applies to games as well. Many games have their own editors in which players can create their own maps and scenes. One of the most popular games in the world, Dota, was created in the Warcraft 3 Map Editor. |
| log file | A file that records users’ information, such as IP addresses, type of browser, Internet Service Provider (ISP), date/time stamp, referring/exit pages, and number of clicks. |
| link firewall | Noun phrase. Any page that prevents well-behaved crawlers from following its links to other pages (the other pages should be completely isolated from well-behaved crawling). |
| piracy update | An update from Google that penalized websites which had DMCA takedown notices. |
