EXHIBIT 23.5

                        CONSENT OF INDEPENDENT AUDITORS

The Board of Directors
NetGravity, Inc. and subsidiaries:


We consent to the incorporation herein by reference in Amendment No. 3 to the
Registration Statement on Form S-4 of DoubleClick Inc. (Amendment No. 3) of our
report dated January 27, 1999, relating to the consolidated statements of
operations, stockholders' equity (deficit), and cash flows of NetGravity, Inc.
and subsidiaries for the year ended December 31, 1998, and the related financial
statement schedule, which report appears in the December 31, 2000, annual report
on Form 10-K of DoubleClick Inc.



We also consent to the reference to our firm under the heading 'Experts' in
Amendment No. 3.


                                          /s/ KPMG LLP

San Francisco, California
October 23, 2001