| h4 | a minor, MINOR heading. I would describe it as a whisper in the code. See the explanation below for how H1s, H2s, and H3s look on a page. |
| ux | (User experience) The overall measurement of how easy and satisfying it is to use a website. User experience is the highest priority of an information architect. Those who specialize in it carefully watch how people use a website to make the site more user-friendly. Generally, user experience is related to bounce rate, cart abandon rate, and many other metrics. |
| adwords keyword planner | Tool for estimating website traffic, competition, advertising costs and other factors of keywords based on match type. Replacement of the Adwords Keyword Tool. |
| cookie values | The data in cookie files. |
| youtube | Second largest search engine that usually ends up with more search traffic than Yahoo and Bing combined. |
