| h5 | 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. |
| cross group negatives | A method of optimizing a Google Ads campaign via implementing one ad groups keywords as another ad groups negative keywords. This prevents your ads in separate ad groups from competing against each other and harming click-through rate / quality score. |
| google quality guidelines | Published guidelines from Google detailing tactics that are forbidden because they are malicious and/or intended to manipulate search results. |
| danny sullivan | Danny Sullivan is a veteran of the SEO industry, working as a journalist, CCO of Third Door Media and co-founder Search Engine Land. In October 2017 Danny announced he was joining Google working as a public liaison of search, running the Twitter account @searchliaison. |
| redirection | When a URL is moved from one location to another. Most often, redirection is permanent (301 redirect). |
