WBMD » Topics » DEFINITIONS OF CERTAIN MEASURES

These excerpts taken from the WBMD 10-K filed Feb 27, 2009.
DEFINITIONS OF CERTAIN MEASURES
 
In this Annual Report, we provide information regarding usage of The WebMD Health Network that we have determined using internal technology that identifies and monitors usage by individual computers. As used in this Annual Report:
 
  •  A “unique user” or “unique visitor” during any calendar month is an individual computer that accesses a Web site in The WebMD Health Network during the course of such calendar month, as determined by our tracking technology. Accordingly, with respect to such calendar month, once an individual computer accesses that Web site in The WebMD Health Network, that computer will generally be included in the total number of unique users or visitors for that month. Similarly, with respect to any calendar month, a computer accessing a specific Web site in The WebMD Health Network may only be counted once as a single unique user or visitor regardless of the number of times such computer accesses that Web site or the number of individuals who may use such computer. However, if that computer accesses more than one site within The WebMD Health Network during a calendar month, it will be counted once for each such site. A computer that does not access any of the Web sites in The WebMD Health Network during a particular calendar month is not included in the total number of unique users or visitors for that calendar month, even if such computer has, in the past, accessed one or more of these Web sites. In addition, if a computer blocks our tracking technology, it will be counted as a unique user or visitor in a particular month each time it visits one of our Web sites.
 
  •  A “page view” is a Web page that is sent to the browser of a computer upon a request made by such computer and received by a server in The WebMD Health Network. The number of “page views” in The WebMD Health Network is not limited by its number of unique users or visitors. Accordingly, each unique user or visitor may generate multiple page views.
 
  •  With respect to any given time period, “aggregate page views” are the total number of “page views” during such time period on all of the Web sites in The WebMD Health Network.
 
Third party services that measure usage of Internet sites may provide different usage statistics than those reported by our internal tracking technology. These differences may occur as a result of differences in methodologies applied and differences in measurement periods. For example, third party services typically apply their own proprietary methods of calculating usage, which may include surveying users and estimating site usage based on surveys, rather than based upon tracking such usage.
 
Our private portals are licensed to employers and health plans for use by their employees and members. These private portals are not part of The WebMD Health Network, do not involve advertising or sponsorship by third parties, and their users and page views are not included in measurements of The WebMD Health Network’s traffic volume.

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Table of Contents

 
DEFINITIONS
OF CERTAIN MEASURES



 



In this Annual Report, we provide information regarding usage of
The WebMD Health Network that we have determined using
internal technology that identifies and monitors usage by
individual computers. As used in this Annual Report:


 




































  • 

A “unique user” or “unique visitor” during
any calendar month is an individual computer that accesses a Web
site in The WebMD Health Network during the course of
such calendar month, as determined by our tracking technology.
Accordingly, with respect to such calendar month, once an
individual computer accesses that Web site in The WebMD
Health Network
, that computer will generally be included in
the total number of unique users or visitors for that month.
Similarly, with respect to any calendar month, a computer
accessing a specific Web site in The WebMD Health Network
may only be counted once as a single unique user or visitor
regardless of the number of times such computer accesses that
Web site or the number of individuals who may use such computer.
However, if that computer accesses more than one site within
The WebMD Health Network during a calendar month, it will
be counted once for each such site. A computer that does not
access any of the Web sites in The WebMD Health Network
during a particular calendar month is not included in the
total number of unique users or visitors for that calendar
month, even if such computer has, in the past, accessed one or
more of these Web sites. In addition, if a computer blocks our
tracking technology, it will be counted as a unique user or
visitor in a particular month each time it visits one of our Web
sites.
 
  • 

A “page view” is a Web page that is sent to the
browser of a computer upon a request made by such computer and
received by a server in The WebMD Health Network. The
number of “page views” in The WebMD Health Network
is not limited by its number of unique users or visitors.
Accordingly, each unique user or visitor may generate multiple
page views.
 
  • 

With respect to any given time period, “aggregate page
views” are the total number of “page views”
during such time period on all of the Web sites in The WebMD
Health Network
.


 



Third party services that measure usage of Internet sites may
provide different usage statistics than those reported by our
internal tracking technology. These differences may occur as a
result of differences in methodologies applied and differences
in measurement periods. For example, third party services
typically apply their own proprietary methods of calculating
usage, which may include surveying users and estimating site
usage based on surveys, rather than based upon tracking such
usage.


 



Our private portals are licensed to employers and health plans
for use by their employees and members. These private portals
are not part of The WebMD Health Network, do not involve
advertising or sponsorship by third parties, and their users and
page views are not included in measurements of The WebMD
Health Network’s
traffic volume.



iii





Table of Contents



DEFINITIONS OF CERTAIN MEASURES
 
In this Annual Report, we provide information regarding usage of The WebMD Health Network that we have determined using internal technology that identifies and monitors usage by individual computers. As used in this Annual Report:
 
  •  A “unique user” or “unique visitor” during any calendar month is an individual computer that accesses a Web site in The WebMD Health Network during the course of such calendar month, as determined by our tracking technology. Accordingly, with respect to such calendar month, once an individual computer accesses that Web site in The WebMD Health Network, that computer will generally be included in the total number of unique users or visitors for that month, regardless of the method by which such computer accesses that Web site (i.e., whether directed by an individual or by automated software programs). Similarly, with respect to any calendar month, a computer accessing a specific Web site in The WebMD Health Network may only be counted once as a single unique user or visitor regardless of the number of times such computer accesses that Web site or the number of individuals who may use such computer. However, if that computer accesses more than one site within The WebMD Health Network during a calendar month, it will be counted once for each such site. A computer that does not access any of the Web sites in The WebMD Health Network during a particular calendar month is not included in the total number of unique users or visitors for that calendar month, even if such computer has in the past accessed one or more of these Web sites. In addition, if a computer blocks our tracking technology, it will be counted as a unique user or visitor in a particular month each time it visits one of our Web sites.
 
  •  A “page view” is a Web page that is sent to the browser of a computer upon a request made by such computer and received by a server in The WebMD Health Network. The number of “page views” in The WebMD Health Network is not limited by its number of unique users or visitors. Accordingly, each unique user or visitor may generate multiple page views.
 
  •  With respect to any given time period, “aggregate page views” are the total number of “page views” during such time period on all of the Web sites in The WebMD Health Network. Aggregate page views do not include page views from our private portals.
 
Third party services that measure usage of Internet sites may provide different usage statistics than those reported by our internal tracking technology. These discrepancies may occur as a result of differences in methodologies applied and differences in measurement periods. For example, third party services typically apply their own proprietary methods of calculating usage, which may include surveying users and estimating site usage based on surveys, rather than based upon our tracking technology.
 
WebMD’s private portals are licensed to employers and health plans for use by their employees and members. These private portals are not part of The WebMD Health Network, do not involve advertising or sponsorship by third parties, and their users and page views are not included in measurements of The WebMD Health Network’s traffic volume.


3


Table of Contents

 
DEFINITIONS
OF CERTAIN MEASURES



 



In this Annual Report, we provide information regarding usage of
The WebMD Health Network that we have determined using
internal technology that identifies and monitors usage by
individual computers. As used in this Annual Report:


 




































  • 

A “unique user” or “unique visitor” during
any calendar month is an individual computer that accesses a Web
site in The WebMD Health Network during the course of
such calendar month, as determined by our tracking technology.
Accordingly, with respect to such calendar month, once an
individual computer accesses that Web site in The WebMD
Health Network,
that computer will generally be included in
the total number of unique users or visitors for that month,
regardless of the method by which such computer accesses that
Web site (i.e., whether directed by an individual or by
automated software programs). Similarly, with respect to any
calendar month, a computer accessing a specific Web site in
The WebMD Health Network may only be counted once as a
single unique user or visitor regardless of the number of times
such computer accesses that Web site or the number of
individuals who may use such computer. However, if that computer
accesses more than one site within The WebMD Health Network
during a calendar month, it will be counted once for each
such site. A computer that does not access any of the Web sites
in The WebMD Health Network during a particular calendar
month is not included in the total number of unique users or
visitors for that calendar month, even if such computer has in
the past accessed one or more of these Web sites. In addition,
if a computer blocks our tracking technology, it will be counted
as a unique user or visitor in a particular month each time it
visits one of our Web sites.
 
  • 

A “page view” is a Web page that is sent to the
browser of a computer upon a request made by such computer and
received by a server in The WebMD Health Network. The
number of “page views” in The WebMD Health Network
is not limited by its number of unique users or visitors.
Accordingly, each unique user or visitor may generate multiple
page views.
 
  • 

With respect to any given time period, “aggregate page
views” are the total number of “page views”
during such time period on all of the Web sites in The WebMD
Health Network.
Aggregate page views do not include page
views from our private portals.


 



Third party services that measure usage of Internet sites may
provide different usage statistics than those reported by our
internal tracking technology. These discrepancies may occur as a
result of differences in methodologies applied and differences
in measurement periods. For example, third party services
typically apply their own proprietary methods of calculating
usage, which may include surveying users and estimating site
usage based on surveys, rather than based upon our tracking
technology.


 



WebMD’s private portals are licensed to employers and
health plans for use by their employees and members. These
private portals are not part of The WebMD Health Network,
do not involve advertising or sponsorship by third parties, and
their users and page views are not included in measurements of
The WebMD Health Network’s traffic volume.





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Table of Contents



DEFINITIONS OF CERTAIN MEASURES
 
In this Annual Report, we provide information regarding usage of The WebMD Health Network that we have determined using internal technology that identifies and monitors usage by individual computers. As used in this Annual Report:
 
  •  A “unique user” or “unique visitor” during any calendar month is an individual computer that accesses a Web site in The WebMD Health Network during the course of such calendar month, as determined by our tracking technology. Accordingly, with respect to such calendar month, once an individual computer accesses that Web site in The WebMD Health Network, that computer will generally be included in the total number of unique users or visitors for that month, regardless of the method by which such computer accesses that Web site (i.e., whether directed by an individual or by automated software programs). Similarly, with respect to any calendar month, a computer accessing a specific Web site in The WebMD Health Network may only be counted once as a single unique user or visitor regardless of the number of times such computer accesses that Web site or the number of individuals who may use such computer. However, if that computer accesses more than one site within The WebMD Health Network during a calendar month, it will be counted once for each such site. A computer that does not access any of the Web sites in The WebMD Health Network during a particular


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Table of Contents

  calendar month is not included in the total number of unique users or visitors for that calendar month, even if such computer has in the past accessed one or more of these Web sites. In addition, if a computer blocks our tracking technology, it will be counted as a unique user or visitor in a particular month each time it visits one of our Web sites.
 
  •  A “page view” is a Web page that is sent to the browser of a computer upon a request made by such computer and received by a server in The WebMD Health Network. The number of “page views” in The WebMD Health Network is not limited by its number of unique users or visitors. Accordingly, each unique user or visitor may generate multiple page views.
 
  •  With respect to any given time period, “aggregate page views” are the total number of “page views” during such time period on all of the Web sites in The WebMD Health Network. Aggregate page views do not include page views from our private portals.
 
Third party services that measure usage of Internet sites may provide different usage statistics than those reported by our internal tracking technology. These discrepancies may occur as a result of differences in methodologies applied and differences in measurement periods. For example, third party services typically apply their own proprietary methods of calculating usage, which may include surveying users and estimating site usage based on surveys, rather than based upon our tracking technology.


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Table of Contents

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