In this episode of The Indie Hacker Podcast, Lucas and Luna dive into the story of a solo developer who grew a niche SEO tool from zero to 100,000 monthly visitors in 18 months without paid ads. They break down the specific content strategy — long-tail keyword clustering, programmatic SEO pages, and a single viral Reddit post — that drove the traffic. Lucas shares the exact metrics: 4,200 organic keywords ranking in the top 10, a 32% conversion rate to free signup, and how the tool's ARR climbed to $85,000. Luna questions whether the strategy is replicable for other solo devs, and they discuss the trade-offs between building for SEO and building for product-market fit. The conversation also touches on the creator's transparent revenue dashboard, which he updates weekly on his personal site. If you're a solo developer wondering how to get your first 1,000 users without a marketing budget, this episode offers a playbook you can steal. May 2026 context included.