Welcome our glossary of SEO and Digital Marketing terms. This list is for terms beginning with letters W through Z.

SEO Glossary: SEO Terms A-C
SEO Glossary: SEO Terms D-F
SEO Glossary: SEO Terms G-I
SEO Glossary: SEO Terms J-L
SEO Glossary: SEO Terms M-O
SEO Glossary: SEO Terms P-S
SEO Glossary: SEO Terms T-V

SEO Glossary: SEO Terms W-Z

WHOIS

A type of search where the query of a domain name shows details of the domain, like when it was registered, by whom, and when it expires.

XENU

A program used for link checking.

XML

Extensible Markup Language. A web programming language that allows web authors to define their own, custom tags. Especially useful in the creation of web-based applications