Glossary Terms
X, Y & Z
Xenu Link Sleuth
Popular free software for checking a site for broken internal or external links and creating a sitemap.
See also:

Xenu - official site
XHTML
Extensible HyperText Markup Language is a class of specifications designed to move HTML to conform to XML
formatting.
See also:

W3C: XHTML
XML
Extensible Markup Language is a simple, very flexible text format derived from SGML, used to make it easy to
syndicate or format information using technologies such as RSS.
See also:

W3C: XML
Y
Yahoo!
Internet portal company which was started with the popular Yahoo! Directory.
See also:

Yahoo.com
The History of Yahoo!
Yahoo! Netrospective
Yahoo! Answers
Free question asking and answering service which allows Yahoo! to leverage social structures to create a
bottoms up network of free content.
See also:

Yahoo! Answers
Yahoo! Directory
One of the original, most popular, and most authoritative web directories, started by David Filo and Jerry Yang in
1994.
The Yahoo! Directory is one of a few places where most any legitimate site can pick up a trusted link. While the
cost of $299 per year may seem expensive to some small businesses, a Yahoo! Directory link will likely help
boost your rankings in major search engines.

See also:

Yahoo! Directory
Newly Added Sites
Yahoo! Search Marketing
Yahoo!'s paid search platform, formerly known as Overture.
See also:

Yahoo! Search Marketing
Yahoo! Site Explorer
Research tool which webmasters can use to see what pages Yahoo! has indexed from a website, and what
pages link at those pages.
See also:

Yahoo! Site Explorer
YouTube
Feature rich amateur video upload and syndication website owned by Google.
See also:

YouTube.com
Z
Zeal
Non-commercial directory which was bought by Looksmart for $20 million, then abruptly shut down with little to no
warning.

                                                                                 
EXIT