The part of a URL that identifies a website, like google.com or en.wikipedia.org.

The most essential internet communication tool. You’ll need an email address for most online services.

A website that finds other websites based on keywords.

Your Internet Service Provider. The company you pay to get internet access, like Comcast or AT&T.

A web address specifying the location of a resource on the internet.

Secure Sockets Layer. An encryption protocol used to secure data sent over the internet. Usually via HTTPS.

The Hypertext Transfer Protocol that powers the web. More secure HTTPS is becoming the standard.

Matroska Video. A versatile multimedia container that can hold video, audio, subtitles, and metadata.

Short for World Wide Web. The collective network of public websites and pages linked via hyperlinks and URLs.

The standard ebook format. Supports flowable text content with images and formatting.