| idiot threshold | Noun phrase. A figurative status at which a document has accrued enough meaningless links through word-of-mouth that the document assumes the status of being an authority on a topic. |
| localized | Adjective. 1. The quality of a search result that has been modified either by the user or (more often) the search engine to show only results that are relevant or specific to a certain location or locale. 2. As in no. 1, except with respect to a topic or Website as opposed to a geographic location. See also Localization. |
| image alt text | A text that describes an image to crawlers. |
| 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. |
| javascript | A programming language that adds dynamic elements to static web pages. |
