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Email Bounces are emails that don’t deliver. This can be due to several potential reasons, including deleted email addresses, those that are typed incorrectly, inboxes that aren’t monitored and are full, unable to accept new messages, or those with strict filters that block certain message types.

A structured file that catalogs and organizes a website, for easy, readable access by search engines.

A sitemap should be submitted to major search engines when you create a site, and also any time you have large-scale restructuring of the site. New sitemaps do not need to be generated every time a new page goes live. These will usually be crawled by search engines and added to the number of indexed pages on a site.

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.