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