A niche SaaS got 5x traffic by publishing original data
rungcode.io is a SaaS product for people preparing for interviews. It was built with a real , a SQL sandbox, an , 115 practice problems, billing, and . After launch, it still got only about 5 visitors a day for weeks.
The product had more features than its audience could discover. Instead of adding another feature, public job boards such as Greenhouse, Lever, and Ashby were used to collect open jobs. The final free report covered 292 roles across 11 companies and analyzed who was hiring, what they paid, and what interviews tested.
Two Reddit posts about the report made traffic rise 5x. Visitors stayed for 7 to 13 minutes on average, read deeply, and clicked into the app. The first spike still produced zero signups, so attention did not automatically turn into customers.
Key points
- rungcode.io served a narrow interview-prep market for roles.
- The product was heavily built out, but launch traffic stayed near 5 visitors a day for weeks.
- A free report analyzed 292 public job listings from 11 companies.
- Two Reddit posts about the report increased traffic by 5x and brought long reading sessions.
- The produced zero signups, showing that reach and conversion are different problems.