| h2 tag | The heading element in HTML defines a structure for headings in a document. Starting with H1 as the most important heading, descending to H6, heading tags have been a standard part of HTML since HTML 2.0. |
| soft 404 | When a non-existent page (a page that has been deleted/removed) displays a ?page not found message or page to anyone trying to access it, but fails to return a HTTP 404 status code. In other words, the content of a web page displayed is entirely unrelated to the HTTP response returned by the server. |
| content management system | The system used to manage all aspects of publishing a websites content, including creation, modification, formatting, publication, revision, index, search, and removal. |
| query deserves freshness | (QDF) A Google ranking algorithm that ensures searchers get the freshest content for queries for latest news, trends, and hot topics. |
| doorway farm | Noun phrase. Unconventional name for a group of Web sites or pages that all link to a central page for the purpose of promoting that one page. Often mistaken for a link farm (q.v.) in academic literature written by people trained in Information Retrieval Science (q.v.) but unfamiliar with the concepts of Search Engine Optimization (q.v.). |
