On-page SEO (Search Engine Optimisation) is the practice of optimising a website’s content, structure, and code to make it as search engine-friendly as possible.
A Knowledge Graph is a powerful tool used in marketing to allow advanced data analysis.
Link Popularity is a way of measuring how many other sites link into a particular site or web page.
A permalink, or permanent link, is a URL that is used to directly link to a specific page or post on a website or blog.
Link farms are an outdated technique used by some website owners to artificially increase the number and quality of their website's inbound links.