| esp | ESP is an Email Service Provider ESP ? they are businesses which provide bulk email services and email marketing services. E.g. Aweber and MailChimp |
| page authority | An SEO metric created by Moz intended to show the likelihood that an individual web page will rank. The scale is 0-100. Over 40 factors are taken into account to award a score to each page. |
| rss | RSS stands for Really Simple Syndication, and is a data feed system that delivers website content or website updates to a person as opposed to them actually navigating to the site to get this information. |
| meta data | Noun phrase. Secondary data stored in or collected about a Web document for the purpose of assisting in its classification, use, or interpretation. |
| rel=canonical | A tag that allows site owners to tell Google which version of a web page is the original and which are the duplicates. |
