Portfolio of Sudoku Sites Generates $1,000 Per Month from Adsense

About

Samurai Sudoku is one of the Sudoku sites built by the Reddit user 'dave333'.

The list of the Sudoku sites include:

• https://samurai-sudoku.com
• https://fiendishsudoku.com
• https://extremesudoku.info
• https://www.extremesudoku.info/printables/sudoku-printables.html
• https://sudokuhints.com
• https://easysudoku.org
• https://sudukopuzzles.org
• https://sudokuprintables.org

reference: https://news.ycombinator.com/item?id=35573607

The Team

The only information about the founder is his Reddit username: 'dave333'. He created the first Sudoku site (https://samurai-sudoku.com/) in 2005. Transitioning from software engineering to self-employment as a web entrepreneur, he began building Sudoku sites as a hobby. Additionally, he explored house flipping before eventually retiring.

Business Model & Revenue

This portfolio of sites generates about $1000 per month through Google AdSense and donations.

Distribution

The primary distribution channels for the sites are SEO. Take samurai-sudoku.com; it generated about 150k visits in December 2023.

And its top two channels are:

• Direct: This indicates the site has a very good reputation, and users keep coming back to the site after the first usage.
• Google: This is their main channel to attract new visitors.

Tech Stack

• Frontend: Vanilla JavaScript