EXHIBIT 32.01
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
Pursuant to
18 U.S.C. Section 1350,
As Adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002
I,
Jeffrey W. Lunsford, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that the quarterly report of Limelight Networks,
Inc. on Form 10-Q for the quarterly period ended
September 30, 2007, fully complies with the
requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information
contained in such quarterly report on Form 10-Q fairly presents, in all material respects, the
financial condition and results of operations of Limelight Networks, Inc.
A signed original of this written statement required by Section 906 has been provided to Limelight
Networks, Inc. and will be retained by, Limelight Networks Inc. and furnished to the Securities and
Exchange Commission or its staff upon request. This certification
“accompanies” the Form 10-Q to
which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be
incorporated by reference into any filing of
the Company under the Securities Act of 1933, as
amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date
of the Form 10-Q), irrespective of any general incorporation language contained in such filing.
