| h3 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. |
| google pigeon update | The name (given by the SEO industry, not Google) of a significant Google local search update launched July 24, 2014. The goal of Pigeon was to improve the accuracy and relevance of local searches by leveraging more traditional Google ranking signals and improving distance and locating ranking parameters. |
| spammer | A spammer is a person use uses spam schemes. |
| msn | (Microsoft Network) Search engine created by Microsoft. Was re-launched in 2006 as Live Search http://www.live.com |
| csv | Comma Separated Values, data format that has fields separated by the comma character and quoted by the double quote character. |