- CSS – cascading style sheet
- email – one word, all lower-case, no hyphen
- home page – two words, all lower-case, no hyphen
- HTTP – hypertext transfer protocol
- HTTPS – hypertext transport protocol secure
- inbox – one word, all lower-case
- Internet – one word, capitalized because it is a proper noun
- IP address – Internet protocol address; also known as IP number
- listserv – one word, all lower-case, no second “e” at the end
- online – one word, all lower-case, no hyphen
- outbox – one word, all lower-case
- RSS – really simple syndication
- sitemap – one word, all lower-case
- URL – uniform resource locator; a web address on the Internet
- web browser – two words, all lower-case
- webmaster – one word, all lower-case
- web page – two words, all lower-case
- website – one word, all lower-case, no hyphen
- web stats – two words, all lower-case
- XML – extensible markup language
