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EXHIBIT 23.4
CONSENT OF INDEPENDENT ACCOUNTANTS
The Board of Directors
Internet Research Group:
We consent to the inclusion in the Amendment No. 3 to the registration
statement on Form S-4 of Media Metrix, Inc. of our report dated March 16, 2000,
relating to the balance sheets of Internet Research Group as of December 31,
1998 and 1999, and the related statements of operations, shareholders' equity,
and cash flows for the years then ended and to the reference to our firm under
the heading "Experts" in the joint proxy statement/prospectus.
/s/ KPMG LLP
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KPMG LLP
Mountain View, California
August 10, 2000
