Tate is an institution that houses the United Kingdom’s national collection of British art. Their mission statement as recorded on their website is: “Our mission is to increase the public’s enjoyment and understanding of British art from the 16th century to the present day and of international modern and contemporary art.” In order to educate their audience, they make accessible an online glossary on art terms. The above source is the web page for “internet art.” Tate broadly defines the term including its subcategories such as browser art, software art, and telematic art.

https://www.tate.org.uk/art/art-terms/i/internet-art