Term	Description
Accessibility	Basically, this is the ability of a website to be used by people with disabilities, including visually impaired visitors using screen readers, hearing impaired visitors using no sound, color blind people, or those with other disabilities. A website with low accessibility is basically going to be impossible for those with disabilities to use. Accessibility is particularly important for sites providing information to those with disabilities (healthcare sites, government sites, etc.), though it is an important aspect to consider when designing any site.
Affiliate	Individuals or business that, for a commission rate, generates sales, leads or clicks from a website by promoting products or services for a merchant using an affiliate program. Affiliate uses e.g. banner ads or text links to refer website traffic to merchant landing page.
Affiliate Program	A program through which a merchant pays a commission to an affiliate for generating clicks, leads, or sales. Also known as an associate, partner, referral, or revenue sharing program.
AJAX	Stands for Asynchronous JavaScript and XML. AJAX is typically used for creating dynamic web applications and allows for asynchronous data retrieval without having to reload the page a visitor is on. The JavaScript on a given page handles most of the basic functions of the application, making it perform more like a desktop program instead of a web-based one.
Anchor Text	The text a link uses to refer to your site. This can make a big difference in your site’s search engine results. See also: Backlink.
Associate	Synonym for affiliate.