| canonical tag | An HTML tag that helps reduce duplicate content. This tag indicates to search engines which page is the preferred version of content that should be ranked. |
| referrer string | A recorded set of data that tracks the visitors movements between pages on a website. Webmasters use this string to determine where the user will depart from the site. |
| responsive web design | When a website is designed in such a way that it is easy to read, easy to navigate and gives users an excellent viewing experience, AND can be viewed with ease on various devices, then it can be termed as Responsively Designed Site. |
| algorithms | A process or formula by which stored information is retrieved and ordered in meaningful ways. |
| google keyword planner | Google Keyword Planner is a free, basic keyword research tool from Google Adwords. You use it to determine which keywords are best for your PPC advertising campaigns, but can also be used for SEO purposes. However, Google offers more information about the search volume to those who have active advertising campaigns. |