Akamai (AKAM) 424B3 Prospectus supplement

Filed Pursuant to Rule 424(b)(3)
File No. 333-141608

AKAMAI TECHNOLOGIES, INC.

Prospectus Supplement No. 1 dated April 18, 2007
to the Prospectus Dated March 27, 2007

     The information in this prospectus supplement concerning the selling stockholders supplements the statements set forth under the caption “Selling Stockholders” in the prospectus. This prospectus supplement should be read in conjunction with the prospectus, which is required to be delivered with this prospectus supplement.

     Investing in our common stock involves a high degree of risk. See “Risk Factors” beginning on page 4 of the prospectus.

     Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

     The information in the following table is presented as of April 18, 2007 and supersedes in its entirety the information in the table appearing under the heading “Selling Stockholders” in the prospectus:

						Number of
	Shares of Common Stock					Shares of		Shares of Common Stock
Name of Selling	Beneficially Owned					Common Stock		to be Beneficially Owned
Stockholder	Prior to Offering (1)					Being Offered		After Offering(2)
	Number			Percentage				Number			Percentage
Adam J. Grove		47,516	(19)		*		19,549		27,967	(19)		*
Alan Lee Harris		173			*		106		67			*
Alexei Genrikh Tumarkin		9,074			*		5,571		3,503			*
Alta California Partners II, L.P. (3)		261,727			*		160,717		101,010			*
Alta California Partners II, L.P.— New Pool (4)		26,601			*		16,334		10,267			*
Alta Embarcadero Partners II, LLC (5)		3,306			*		2,029		1,277			*
Amy Wellersdick		45			*		28		17			*
Ariane Flieger		431			*		264		167			*
Beatriz V. Infante (18) (20)		4,160			*		4,160		0			*
Bessec Ventures V L.P. (6)		165,626			*		101,705		63,921			*

						Number of
	Shares of Common Stock					Shares of		Shares of Common Stock
Name of Selling	Beneficially Owned					Common Stock		to be Beneficially Owned
Stockholder	Prior to Offering (1)					Being Offered		After Offering(2)
	Number			Percentage				Number			Percentage
Bessemer Ventures Investors III L.P. (6)		27,985			*		17,184		10,801			*
Bessemer Venture Partners V L.P. (6)		146,876			*		90,190		56,686			*
BIP 2001 L.P. (6)		55,970			*		34,368		21,602			*
BVE 2001 (Q) LLC (6)		65,916			*		40,477		25,439			*
BVE 2001 LLC (6)		4,047			*		2,485		1,562			*
Charles L. Foreman (17)		344			*		211		133			*
Christoph Weber (17)		836			*		513		323			*
Clarence Kam		262			*		160		102			*
Dennis M. Jonas (17)		615			*		378		237			*
Dmitry Sergeevich Kohmanyuk		127			*		77		50			*
Edward Miller		203			*		124		79			*
Elizabeth Kayton Kerns (20)		277			*		277		0			*
Fredrick George Link (17)		615			*		378		237			*
GGV II Entrepreneurs Fund L.P. (7)		9,816			*		6,026		3,790			*
Granite Global Ventures II L.P. (7)		469,018			*		288,008		181,010			*
Greg Bruno		71			*		42		29			*
Igor Sviridov		428			*		263		165			*
Janine Roth Trust (11)		652			*		400		252			*
Jay Jonekait (15)		4,326			*		2,656		1,670			*
Jeffrey Wolf (18) (20)		4,160			*		4,160		0			*
Jennie B. Tran		338			*		208		130			*
Jeremy Rosenblatt (20)		653			*		653		0			*
Joe Rouvier		604			*		370		234			*
Joe Siauw		110			*		66		44			*
John Zoglin		1,591			*		978		613			*
Jonekait Family Trust (12)		4,041			*		2,481		1,560			*
Joseph M. Gang, Jr.		2,433			*		1,493		940			*
Karl-Eliv Hallin (17)		2,248			*		1,380		868			*
Kirill Pertsev		190			*		116		74			*
LeapFrog Ventures, L.P. (8)		212,009			*		130,186		81,823			*
Lev Valkin		741			*		455		286			*
Maxim A. Ossipov		32,638			*		20,041		12,597			*
Michael E. Wolf		475			*		291		184			*
Michael J. Myers		3,361			*		2,064		1,297			*
Michael Kharitonov		106,686	(21)		*		58,555		48,131	(21)		*
Michael Stuart Pliner		4,542			*		2,789		1,753			*
Mikhail Shoykher		42			*		26		16			*
Morgenthaler Partners VII, L.P. (9)		466,421			*		286,412		180,009			*
Netsoft Associates (13)		97			*		59		38			*
Nokia Venture Partners II L.P. (16)		251,728			*		154,578		97,150			*
NVP II Affiliates Fund, L.P. (16)		2,790			*		1,713		1,077			*
Oleg Polyakov		252			*		154		98			*
Petra Pino		61			*		36		25			*
Petranka Parina (17)		706			*		433		273			*

						Number of
	Shares of Common Stock					Shares of		Shares of Common Stock
Name of Selling	Beneficially Owned					Common Stock		to be Beneficially Owned
Stockholder	Prior to Offering (1)					Being Offered		After Offering(2)
	Number			Percentage				Number			Percentage
Reed Elsevier Ventures 2004 Partnership L.P. (10)		403,361			*		247,689		155,672			*
Robert Baker (17)		652			*		400		252			*
Roderick Franada		62			*		37		25			*
Rebecca Davis (20)		82			*		82		0			*
Stanley E. Kazmierczak (20)		490			*		490		0			*
Suresh Yanamadala		5,176			*		3,178		1,998			*
The Forkish Family Revocable Trust dated 7.31.01 (14)		685			*		420		265			*
Tony Scott		207			*		126		81			*
Vitaly Luban		122			*		74		48			*
Yefim Neizvestny (17)		589	(22)		*		199		390	(22)		*
Unknown		1,067,962			*		1,067,962		0			*

*	Less than one percent.
(1)	Approximately 39% of the shares represented are held in escrow as security for certain indemnification obligations of Netli and to secure funds to reimburse the Representative of the former Netli stockholders for fees and expenses incurred in connection with the performance of his obligations, each under the terms of the Agreement and Plan of Merger, dated February 2, 2007, governing Akamai’s acquisition of Netli and a related Escrow Agreement. Unless required to be returned to Akamai under the terms and conditions of the Agreement and Plan of Merger and the Escrow Agreement, these shares are eligible for release in stages at various times prior to September 17, 2008.
(2)	We do not know when or in what amounts a selling stockholder may offer shares for sale. The selling stockholders might not sell any or all of the shares offered by this prospectus. Because the selling stockholders may offer all or some of the shares pursuant to this offering, and because there are currently no agreements, arrangements or understandings with respect to the sale of any of the shares, we cannot estimate the number of the shares that will be held by the selling stockholders after completion of the offering. However, for purposes of this table, we have assumed that, after completion of the offering, none of the shares covered by this prospectus will be held by the selling stockholders.
(3)	Jean Deleage, Guy Nohra, Garrett Gruener, Daniel Janney, and Alix Marduel are members of Alta California Management Partners II, LLC, which is general partner of Alta California Partners II, L.P. Messrs. Deleage, Nohra, Gruener, Janney, and Marduel share voting and investment power with respect to the shares held by Alta California Partners II, L.P. Each of Messrs. Deleage, Nohra, Gruener, Janney, and Marduel disclaims beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.
(4)	Jean Deleage, Guy Nohra, Garrett Gruener, Daniel Janney, and Alix Marduel are members of Alta California Management Partners II, LLC — New Pool, which is general partner of Alta California Partners II, L.P. — New Pool. Messrs. Deleage, Nohra, Gruener, Janney, and Marduel share voting and investment power with respect to the shares held by Alta California Partners II, L.P. — New Pool. Each of Messrs. Deleage,

	Nohra, Gruener, Janney, and Marduel disclaims beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.
(5)	Jean Deleage, Guy Nohra, Garrett Gruener, Daniel Janney, and Alix Marduel are members of Alta Embarcadero Partners II, LLC. Messrs. Deleage, Nohra, Gruener, Janney, and Marduel share voting and investment power with respect to the shares held by Alta Embarcadero Partners II, LLC. Each of Messrs. Deleage, Nohra, Gruener, Janney, and Marduel disclaims beneficial ownership of these shares except to the extent of his or her pecuniary interest therein.
(6)	Robert Goodman, Robin S. Chandra, J. Edmund Colloton and David J. Cowan, a former director of Netli, are the managing members of Deer V & Co. LLC, which is the General Partner of Bessec Ventures V L.P., Bessemer Venture Investors III L.P., Bessemer Venture Partners V L.P., BIP 2001 L.P., BVE 2001(Q) LLC, and BVE 2001 LLC. Messrs. Goodman, Chandra, Colloton, and Cowan share voting and investment power with respect to the shares held by Bessec Ventures V L.P., Bessemer Venture Investors III L.P., Bessemer Venture Partners V L.P., BIP 2001 L.P., BVE 2001(Q) LLC, and BVE 2001 LLC. Each of Messrs. Goodman, Chandra, Colloton, and Cowan disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
(7)	Scott Bonham, a former director of Netli, and Hany Nada are Managing Directors of Granite Global Ventures II LLC, which is the General Partner of GGV II Entrepreneurs Fund L.P. and of Granite Global Ventures II L.P. Messrs. Bonham and Nada share voting and investment power with respect to the shares held by GGV II Entrepreneurs Fund L.P. and by Granite Global Ventures II L.P.
(8)	Pete Sinclair, a former director of Netli, holds voting and investment power with respect to the shares held by LeapFrog Ventures, L.P.
(9)	Robert C. Bellas, Greg E. Blonder, James W. Broderick, Daniel F. Farrar, Andrew S. Lanza, Theodore A. Laufik, Paul H. Levine, Gary R. Little, a former director of Netli, John D. Lutsi, Gary J. Morgenthaler, Robert D. Pavey, G. Gary Shaffer, Alfred J.V. Stanley and Peter G. Taft are members of Morgenthaler Management Partners VII, L.P., which is the managing general partner of Morgenthaler Partners VII L.P. Messrs. Bellas, Blonder, Roderick, Farrar, Lanza, Laufik, Levine, Little, Lutsi, Morgenthaler, Pavey, Shaffer, Stanley and Taft share voting and investment power with respect to the shares held by Morgenthaler Partners VII, L.P.
(10)	Anthony Askew is the Managing Director, Mark Armour the Chief Financial Officer, and Steve Cowden the General Counsel of Reed Elsevier Ventures, Ltd., which is the Managing General Partner of Reed Elsevier Ventures 2004 Partnership L.P., and Mr. Askew, Mr. Armour, and Mr. Cowden share voting and investment power with respect to the shares held by Reed Elsevier Ventures 2004 Partnership L.P.
(11)	Janine Roth is the trustee of the Janine Roth Trust.
(12)	Jay Jonekait, the former principal financial officer of Netli, is the trustee of the Jonekait Family Trust.

(13)	Eric Thoresen holds voting and investment power with respect to the shares held by Netsoft Associates.
(14)	J. Robert Forkish holds voting and investment power with respect to the shares held by The Forkish Family Revocable Trust.
(15)	Former principal financial officer of Netli.
(16)	John Malloy, John E. Gardner, W. Peter Buhl, a former director of Netli, Jonathan R. Ebinger and Tentti Oy, a Finnish corporation owned and controlled by Antti S. Kokkinen, manage NVP II, LLC, which is the general partner of Nokia Venture Partners II, L.P. and NVP II Affiliates Fund, L.P.
(17)	Employee or former employee of Netli and/or Akamai.
(18)	Former director of Netli.
(19)	Includes 15,518 shares of common stock issuable upon exercise of stock options.
(20)	Consists of shares of common stock issuable upon exercise of stock options. The shares issuable upon exercise of stock options are not subject to escrow.
(21)	Includes 11,330 shares of common stock issuable upon exercise of stock options.
(22)	Includes 263 shares of common stock issuable upon exercise of stock options.