| link churn | The measurement of lost links within a specified time period. |
| web directories | Web Directories are used as an easy source of links for any website. Some well-known quality directory link sources include DMOZ, Yahoo, and Best of the Web. There are many others and some easy ways to spot whether a directory is a good fit for your business, or not. |
| quality content | Content that helps you successfully achieve business or marketing goals (e.g., driving organic traffic or social shares, earning top search rankings, generating leads/sales). |
| parser | Noun. A type of program used by search engines to break down your HTML pages into components for indexing. The parser strips your indexable content and passes it to one or more indexers. Many SEO forum moderators and admins who should know better continue to speak of spiders doing the parsing and indexing. Spiders basically retrieve files and place them into (search engine internal) queing areas for the parsers to munch on. |
| log files | Files generated by a server and which contain a list of activities by websites and services in it. |
