| outgoing link | Links coming from your site and pointing to other websites. |
| opacity | Noun. 1) A metric or measure of a range of search listings (q.v.) for a query which are not obviously optimized to be included in the search results. A perfectly opaque search result (q.v.) has an Opacity value of 1.0, reflecting the fact that none of the search listings (q.v.) are obviously optimized for placement in the result. 2) The characteristic of being opaque in the sense of appearing to be natural to a casual, uninformed observer of a group or collection of natural, transparent, or opaque objects. |
| over-optimization | A shady SEO tactic that aims to please or even trick search engines to rank websites for particular keywords without minding user experience. |
| indexer | Noun. A type of program that search engines use to update their databases with information about retrieved and parsed Web documents. You rarely see even knowledgeable SEO forum moderators and admins speak of indexers and parsers, perhaps out of a misguided concern that they will confuse people who are new to search engine optimization. Unfortunately, those new people visit the forums to learn about SEO, so teaching them the wrong terminology does them a great disservice. |
| recursion | Noun. See Recursion. |
