TireSize

A straightforward tire size calculator and comparison tools website helps drivers find compatible tire sizes, compare dimensions, and understand fitment specs for their vehicles. Built as a classic SEO-driven content and tools site targeting a highly specific niche that most founders would overlook, it earns traffic through comprehensive utility pages optimized for long-tail search queries. The site attracts 1.4 million monthly visits through organic search and generates estimated revenue in the millions annually through Google AdSense and affiliate links, proving that simple reference tools in overlooked verticals can become quietly dominant businesses.