| spam | Noun. In general use, any form of high-repetition marketing practice that annoys people, uses resources in unethical fashion, or otherwise violates the guidelines and/or laws of various Web services or governments. Cf. Web spam, Spam bomb, SpamAd Page, Spamversibot, Crawl Spam, et. al. |
| sitemap.xml | An XML file listing the URLs of a website. This file communicates to bots and crawlers what files and information are available on a site. When search engines are crawling a website, they will review the sitemap to understand what is important and how to navigate the site to find documents and files. This is different than a site map HTML file, which is used to show people the areas of a website. |
| co-citation | How frequently two websites (or webpages) are mentioned together by a third-party website, even if those first two items don’t link to (or reference) each other. This is a way search engines can establish subject similarity. |
| double-loop marketing | Double-loop marketing is the practice of marketing when a business first creates a relationship with their potential customer base. Then once they have accepted and are familiar with what the business represents and have to offer, it becomes easy to convert them to actual paying customers. |
| informational conversion | Noun phrase. An informational conversion occurs when a visitor finds the precise information he is seeking on a Web page. |
