Inclusion Criteria:

- age 18 or older

- smokes at least five cigarettes daily for at least past 12 months

- wants to quit in next 30 days

- willing to be randomly assigned to either group

- resides in US

- has at least weekly access to a high speed Internet connection and email

- willing and able to read in English

- not participating in other smoking cessation interventions (including our other
intervention studies

- has never used the Smokefree.gov website

- willing to complete all three follow-up surveys

- provide email, phone, and mailing address

- provide contact information for two collaterals (e.g., relatives).

Exclusion Criteria:

- The exclusion criteria are the opposite of the inclusion criteria above.