| directory links | Directory in the context of local SEO is an aggregate list of local businesses, usually including each businesss name, address, phone number (NAP) and other information like their website. Directory can also refer to a type of unnatural link that violates Googles guidelines: low-quality directory or bookmark site links. |
| opacity | Noun. 1) A metric or measure of a range of search listings (q.v.) for a query which are not obviously optimized to be included in the search results. A perfectly opaque search result (q.v.) has an Opacity value of 1.0, reflecting the fact that none of the search listings (q.v.) are obviously optimized for placement in the result. 2) The characteristic of being opaque in the sense of appearing to be natural to a casual, uninformed observer of a group or collection of natural, transparent, or opaque objects. |
| schema | A form of microdata which, once added to a webpage, creates an enhanced description (commonly known as a rich snippet), which appears in search results. |
| render-blocking scripts | A script that forces your browser to wait to be fetched before the page can be rendered. Render-blocking scripts can add extra round trips before your browser can fully render a page. |
| deep link | A deep link is a hyperlink that points to a sub-page of a website, instead of a homepage. The more slashes you can find in the URL, the deeper the link is. |
