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Back end development refers to work that’s done on server-side software or applications. This means it’s not visible on a live website. A lot of logical parameters, database structuring, and website architecture would be considered back-end work.

A/B Testing refers to controlled marketing experiments done to test different approaches to marketing campaigns. You’ll see it used most often in areas such as email marketing, with things like different headlines, or different offers. Or web design, where the copy and layout of a page will be tested in two different ways.

Within the experiment, you’ll split the audience who sees each, then monitor the results.

Using this method, you’re able to collect data on what approaches work best to get a desired outcome, such as email clicks, online purchases or newsletter subscriptions.

Really Simple Syndication, or RSS, is an application that allows people to easily track updates to a website. It’s commonly used to follow updates to website blogs.