| snake oil | Snake oil is usually a term assigned to those called salesmen that offer webmasters guarantees to appear in the top ranking for a certain keyword. They usually try to convince the site owner that their site is not well optimized and promise groundless high ranking for unreasonably amount of money. |
| pop-up | An advertisement that is created on top of or within the active browser window. |
| crawler | A program search engines use to crawl the web. Bots visit webpages to collect information and add or update a search engine’s index. |
| deep link | A deep link is a hyperlink that points to a sub-page of a website, instead of a homepage. The more slashes you can find in the URL, the deeper the link is. |
| url rating | measures the strength of a URLs backlink profile and the likelihood that the URL will rank high in Google. This is measured from 1 to 100 with 100 being the strongest. |