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网络营销/电子商务词典：网络广告/交互式广告/互联网广告媒体等相关英文词汇（U）
【说明】：下列词汇为网上营销新观察通过多个网站的相关资源整理汇总，并未一一核对词汇内容的准确性，对词汇的解释不代表本站的观点，仅供初步参考，如需要严格考证词汇的意义，请参考互联网相关的专业词典。
UMTS (Universal
Mobile Telecommunications System)
broadband, packet-based transmission of text, digitized
voice, video, and multimedia at data rates up to and possibly
higher than 2 megabits per second, offering a set of services
to mobile computer and phone users no matter where they
are located in the world.
Unduplicated audience
the number of unique individuals exposed to a specified
domain, page or ad in a specified time period.
Unique user
unique individual or browser which has either accessed a
site (see unique visitor) or which has been served unique
content and/or ads such as e-mail, newsletters, interstitials
and pop-under ads. Unique users can be identified by user
registration or cookies. Reported unique users should filter
out robots. See iab.net for ad campaign measurement guidelines.
Unique visitor
a unique user who accesses a Web site within a specific
time period. See unique user.
Universe
total population of audience being measured.
Unresolved IP addresses
IP addresses that do not identify their 1st or 2nd level
domain. Unresolved IP addresses should be aggregated and
reported as such. See also domain.
Upload
to send data from a computer to a network. An example of
uploading data is sending e-mail.
URL (Uniform Resource Locator)
the unique identifying address of any particular page on
the Web. It contains all the information required to locate
a resource, including its protocol (usually HTTP), server
domain name (or IP address), file path (directory and name)
and format (usually HTML or CGI).
URL tagging
the process of embedding unique identifiers into URLs contained
in HTML content. These identifiers are recognized by Web
servers on subsequent browser requests. Identifying visitors
through information in the URLs should also allow for an
acceptable calculation of visits, if caching is avoided.
Usenet
Internet bulletin-board application.
User
an individual with access to the World Wide Web.
User agent string
a field in the server log file which identifies the specific
browser software and computer operating system making the
request.
User centric measurement
Web audience measurement based on the behavior of a sample
of Web users.
User registration
information contributed by an individual which usually includes
characteristics such as the person's age, gender, zip code
and often much more. A site’s registration system is usually
based on an ID code or password to allow the site to determine
the number of unique visitors and to track a visitor's behavior
within that site.
【说明】：上述词汇为网上营销新观察通过多个网站的相关资源整理汇总，并未一一核对词汇内容的准确性，对词汇的解释不代表本站的观点，仅供初步参考，如需要严格考证词汇的意义，请参考互联网相关的专业词典。
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