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categories

advertising metrics
advertising specifications
affiliate marketing
business and ebusiness
content and community
controversial marketing
domain names
email marketing
free web site promotion
linking strategy
online advertising
search engine marketing
web design and marketing
web site hosting

favorites

blog
SEO
PPC
CPM
text ad
.sig file
favicon
banner ad
pop-up ad
web hosting
deep linking
cost per click
skyscraper ad
link popularity
mousetrapping
viral marketing
click-through rate
surround session
guerilla marketing
beyond the banner
advertising network
self-serve advertising
permission marketing

glossary

U

underdelivery - delivery of less impressions, visitors, or conversions than contracted for a specified period of time.

unique visitors - individuals who have visited a Web site (or network) at least once in a during a fixed time frame.

URL - location of a resource on the Internet.

usability - (see Web site usability)