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Ratings Here, There, and Everywhere

MEDIA METRIX

Top-rated properties:*
1. AOL.com
2. Yahoo!
3. Microsoft

The pioneer of Web ratings relies on a survey group of 30,000 people who have software installed on their PCs to track usage. Ratings are based on reach--the percentage of visitors at a Web site each month vs. the total number of Web users.


NETRATINGS
Top-rated properties:**

1. Yahoo!
2. Netscape
3. Geocities

Uses the Web to recruit a sample group that's expected to rise within a year to 25,000 people, from 2,000 at launch. Presents data in a variety of ways, such as listing top sites by most page views (or times a page is loaded into a browser) per person.


RELEVANTKNOWLEDGE
Top-rated properties:***

1. Yahoo!
2. Netscape
3. excite

Signs up survey group, now made up of 11,000 Net users, via phone. Plans this year to expand to 20,000 people, in part by going international. Its data show the number of first-time users who visit a site each month.


NIELSEN MEDIA RESEARCH

Plans to begin offering data this summer. Survey group now numbers 3,500 and is expected to reach 10,000 by yearend. Group selection made through random-digit phone calls. Hasn't decided yet how it will slice data. Plans to track Net usage on non-PC devices, like TV set-top boxes connected to the Internet.


** Group of sites rated week of March 15
*** Group of sites rated in February


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Updated Apr. 16, 1998 by bwwebmaster
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