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                                                                   EXHIBIT 10.17

                            [WebSideStory Letterhead]

May 15, 2003

Rand Schulman
P.O. Box 3194
Rancho Santa Fe, CA 92067
Dear Rand:

WebSideStory, Inc. is very pleased to offer you the position of Chief Marketing
Officer, reporting to Jeff Lunsford, President and CEO. This offer is contingent
on successful completion of WebSideStory's standard background check process and
based on the following terms and conditions:

      -     A start date of June 2nd or 9th, 2003, depending on how quickly
            you can get your boat down

      -     A bi-weekly salary in the amount of $7,692,30 ($200,000 on an annual
            basis)

      -     Subject to approval by the Company's Board of Directors,
            non-statutory stock options (NSOs) to purchase 200,000 shares of the
            Company's common stock, vesting over 4 years with the first 25% not
            vesting until your first anniversary with the Company. The exercise
            price of the options will be established by the Board of Directors.
            These options will also be subject to the terms and conditions of
            the Company's 2000 Equity Incentive Plan and related agreements.

      -     Eligibility for a $50,000 annual bonus (prorated based on hire
            date), based upon the achievement of WebSideStory's annual operating
            plan and individual performance against objectives, to be agreed to
            by you and Jeff Lunsford within 30 days of your start date. Upon
            your employment, further details will be provided.

You are also eligible to participate in WebSideStory's benefit plans including
medical, dental, life, and disability insurance. You will receive two weeks of
accrued vacation for the first two years of employment, accelerating to three
weeks of vacation accrual the third year of employment. Additionally,
WebSideStory offers an on-site fitness center, tuition reimbursement, 401(k)
plan, credit union, and other attractive benefits. Further information about the
Company's benefits will be provided to you on your first day.

Due to the enactment of the Immigration Reform and Control Act of 1986, this
offer is contingent on your ability to produce acceptable documentation
verifying your eligibility to work in the United States. You will be required to
present the necessary documents on the day you begin work at WebSideStory.

Additionally, a condition of this offer and of your employment with WebSideStory
is the maintenance of the confidentiality of WebSideStory's proprietary and
confidential information and compliance with the Company's policies and
procedures as set forth in its Employee Handbook. Accordingly, you will be
required to execute the Company's Employee Confidentiality and Inventions
Agreement and the Employee Handbook on your first date of employment.

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Rand Schulman
Page 2 of 2

If you wish to accept our offer of employment, please sign and return the
enclosed copy of this letter in the enclosed envelope to me. Your signature
below will indicate your understanding that no other promises or representations
have been made to you and that you understand that you will be an at-will
employee. Either party may end the relationship at any time. This offer is not a
contract of employment, and the terms of employment are subject to change.

We are excited to have you join WebSideStory and know that it will be a mutually
rewarding working relationship.

Very truly yours,

/s/ Sheryl Roland

Sheryl Roland
Vice President, Human Resources

ACCEPTANCE

      I have read, understand, and accept the foregoing terms and conditions of
my offer of employment. I further understand that while my job duties, title,
compensation and benefits may change over time without a written modification of
this agreement, the "at-will" term of my employment (i.e., my right and
WebSideStory's right to terminate our employment relationship at any time, with
or without cause) is a term of employment which cannot be altered or modified
except in writing signed by me and the President of WebSideStory. I understand
and agree that any contrary representation or agreements, which may have been
made to me, are superseded by this offer and my acceptance of the same.

Approved and accepted:

/s/ Rand Schulman
-----------------------------                 ----------
Rand Schulman                                 Start Date<PAGE>

                                                                  EXHIBIT 10.18

                            [WebSideStory Letterhead]

March 23, 2004                                         **UPDATED**

Tom Willardson
P.O. Box 676283
Rancho Santa Fe, CA  92067

Dear Tom:

WebSideStory is pleased to offer you the position of chief financial officer,
reporting to Jeff Lunsford, President and CEO. Our offer is contingent on and
subject to approval by the board of directors of the company and includes the
following terms and conditions:

      -     A start date to be agreed upon. We would like to have you start as
            soon as possible.

      -     A bi-weekly salary in the amount of $8,269.23 ($215,000 on an annual
            basis.)

      -     Non-statutory stock options (NSOs) to purchase 350,000 shares of the
            company's common stock, vesting over 4 years with the first 25% not
            vesting until your first anniversary with the Company. The exercise
            price of the options is $1.50 per share. These options will also be
            subject to the terms and conditions of the Company's 2000 Equity
            Incentive Plan and related agreements.

      -     Eligibility for a $35,000 annual bonus (prorated for 2004 based on
            hire date), contingent on the achievement of WebSideStory's annual
            revenue, net income and bookings targets. Documentation of the plan
            will be provided the first week of your employment.

      -     If within your first two (2) years of employment with WebSideStory
            there is a change of control of the company and you are terminated
            without cause, then a) 50% of your options remaining unvested at the
            date of such termination will immediately vest, and b) you will
            receive nine (9) months severance pay. In the event of a change of
            control of WebSideStory after you have been with WebSideStory two
            (2) years or more and you are terminated without cause then a) 75%
            of your options remaining unvested at the date of such termination
            will immediately vest. and b) you will receive nine (9) months
            severance pay. The definitions of "change of control" and "cause"
            are set forth in exhibit A.

You are also eligible to participate in WebSideStory's benefit plans including
medical, dental, life, and disability insurance. You will receive three weeks of
accrued vacation each year. Additionally, WebSideStory offers an on-site fitness
center, tuition reimbursement, 401(k) plan, credit union, and other attractive
benefits. Further information about the Company's benefits will be provided to
you on your first day.

Due to the enactment of the Immigration Reform and Control Act of 1986, this
offer is contingent on your ability to produce acceptable documentation
verifying your eligibility to work in the United States. You will be required to
present the necessary documents on the day you begin work at WebSideStory.

<PAGE>

Tom Willardson
Page 2 of 2

Additionally, a condition of this offer and of your employment with WebSideStory
is the maintenance of the confidentiality of WebSideStory's proprietary and
confidential information and compliance with the Company's policies and
procedures as set forth in its Employee Handbook. Accordingly, you will be
required to execute the Company's Employee Confidentiality and Inventions
Agreement and the Employee Handbook on your first day of employment.

If you wish to accept our offer of employment, please sign and return the
enclosed copy of this letter in the enclosed envelope to me (or, confidential
fax: 858-546-0697.) Your signature below will indicate your understanding that
no other promises or representations have been made to you and that you
understand that you will be an at-will employee. Either party may end the
relationship at any time. This offer is not a contract of employment, and the
terms of employment are subject to change.

We are excited to have you join WebSideStory and know that it will be a mutually
rewarding working relationship.

Very truly yours,

/s/ Sheryl Roland

Sheryl Roland
Vice President, Human Resources

ACCEPTANCE

      I have read, understand, and accept the foregoing terms and conditions of
my offer of employment. I further understand that while my job duties, title,
compensation and benefits may change over time without a written modification of
this agreement, the "at-will" term of my employment (i.e., my right and
WebSideStory's right to terminate our employment relationship at any time, with
or without cause) is a term of employment which cannot be altered or modified
except in a writing signed by me and the president of WebSideStory. I understand
and agree that any contrary representation or agreements, which may have been
made to me, are superseded by this offer and my acceptance of the same.

Approved and accepted:

/s/ Tom Willardson
--------------------------------------        ----------
Tom Willardson                                Start Date

<PAGE>

                                    Exhibit A

A "CHANGE OF CONTROL" is defined as (A) a merger or consolidation of the Company
with or into another corporation or other entity (with respect to which less
than a majority of the outstanding voting power of the surviving or consolidated
corporate is held by persons who are shareholders of the Corporation immediately
prior to such event); (B) the sale or transfer of all or substantially all of
the properties and assets of the Company; (C) any purchase by any party (or
group of affiliated parties) of shares of capital stock of the Company (either
through a negotiated stock purchase or a tender for such shares), the effect of
which is that such party (or group of affiliated parties) that did not
beneficially own a majority of the voting power of the outstanding shares of
capital stock of the Company immediately prior to such purchase beneficially
owns at least a majority of such voting power immediately after such purchase;
(D) the redemption or repurchase of shares representing a majority of the voting
power of the outstanding shares of capital stock of the Company; or (E) of any
other change of control of fifty percent (50%) or more of the outstanding voting
power of the Company in a single transaction or series of related transactions,
but for purposes of this subsection (E) excluding an underwritten public
offering by the Company of shares of Common Stock or other securities.

"CAUSE" is defined as: (i) acts or omissions constituting gross negligence,
breach of fiduciary duty involving personal profit, personal dishonesty,
recklessness or willful misconduct on the part of the Executive with respect to
Executive's obligations or otherwise relating to the business of the Company;
(ii) Executive's material breach of any agreement between Executive and Company
(to include Company policies and practices); (iii) Executive's conviction or
entry of a plea of nolo contendere for fraud or embezzlement, or any felony or
crime of moral turpitude; or (iv) Executive's willful neglect of duties or
failure to satisfactorily perform stated duties.

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