| ethnic citations | Link databases that aim to specifically help people of on ethnicity or nationality. |
| twitter card | With a Twitter card you can give users a preview of your content with text, images, or videos when you share your content on Twitter. |
| time on page | The amount of time someone spent on your page before clicking to the next page. Because Google Analytics tracks time on page by when someone clicks your next page, bounced sessions will clock a time on page of 0. |
| term opacity | Noun phrase. The sum of the measured opaque value of all Opaque members in a group, as used in the Theorem of Search Engine Optimization formula. Cf. Opacity. |
| qdd | (Query Deserves Diversity) A Google algorithm that tries to match user intent by providing broader but relevant match results. |
