Pagerank

Search Engine Marketing (SEM) are the methods by which sites try to increase their rankings in search engines through paid advertisements. Product or business listing on various search platforms support this structure and allow businesses to pay and/or compete for prominent listings.

Originally, Above the Fold referred to print newspapers, and described everything on the top half of the front page.

In website design, Above the Fold refers to any elements that are visible at the top of a webpage, usually the site’s homepage, without having to scroll down.

Optimizing the design of your homepage above the fold can be important to make a good first impression and clarify the intent of your website for the user. However, on some mobile-first or app-based sites, other considerations present themselves, since scrolling for the majority of a page’s content is more expected on these platforms.

Marketing Qualified Leads (MQL) are those prospective customers that, through some action related to marketing efforts, are more likely than others to become a customer. 

This can be tracked a number of ways, and is often related to users who take a specific action on a website that isn’t a full purchase, but indicates a strong interest in purchasing.