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CONSENT OF KPMG LLP, INDEPENDENT AUDITORS
The Board of Directors
NetGravity, Inc.:
We consent to the incorporation by reference in the registration statements on
Form S-3 of DoubleClick, Inc. dated June 29, 2000 of our report dated January
27, 1999, with respect to the consolidated balance sheet of NetGravity, Inc. and
subsidiaries as of December 31, 1998, and the related consolidated statements of
operations, stockholders' equity (deficit), and cash flows for each of the years
in the two-year period ended December 31, 1998, which report appears in the
December 31, 1999, annual report on Form 10-K of DoubleClick, Inc.
/s/ KPMG LLP
San Francisco, California
June 29, 2000
