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Exhibit 23(a)
CONSENT OF INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement
(Form S-8) pertaining to the Media Metrix, Inc. 2000 Employee Stock Purchase
Plan and the Media Metrix, Inc. 2000 Equity Incentive Plan of our report dated
January 28, 2000, except for the last three paragraphs of Note 15, as to which
the date is March 8, 2000, with respect to the consolidated financial
statements and schedule of Media Metrix, Inc. included in its Annual Report
(Form 10-K) for the year ended December 31, 1999, Filed with the Securities and
Exchange Commission.
/s/ Ernst & Young LLP
New York, New York
June 9, 2000
