Most affiliate operators build one site, in one language, for one market. They compete on content quality within a single linguistic silo and hope organic traffic finds them.
The TreeChain i18n system enables building for every market simultaneously — with genuine localization (not translation), local currency display, and regional intent matching — from a single codebase.
The result: 8 sites, 69 languages, 145 regional locale variants, 45,000+ pages. Each page with unique localized JSON-LD schema, hreflang tags, and currency-converted pricing. Deployed in a day.
Subdomain routing: Every language gets its own subdomain (de.site.com, pl.site.com, ja.site.com). Every country variant gets a locale subdomain (es-mx.site.com for Mexico, ar-eg.site.com for Egypt). Wildcard DNS + wildcard SSL + FastAPI middleware handles all routing from a single application.
Currency conversion: Real-time FX rates with flat-rate overrides for EUR/GBP/USD trials. Every visitor sees prices in their local currency. Japanese yen, Nigerian naira, Mexican pesos — all converted and displayed natively.
Content generation: Claude Code agent pipeline generates unique localized content per brand per site per language. 40,000+ unique content pairs. Not template fill — genuinely varied copy with different voice and structure per locale.
SEO architecture: Every page has unique JSON-LD with localized priceCurrency and areaServed. Proper hreflang across all 145 variants. Localized meta descriptions. The result: #3 in Polish Google within 24 hours of deployment on an aged domain.
The same infrastructure deploys to any affiliate vertical. Casino and sports betting (casinopartnership.com, lazybets.com, betdomestic.com). Baseball card marketplace (eBay Partner Network, Heritage Auctions). Financial services (reviewcryptocurrency.com portfolio). Local community directories (ledbury.org model).
One repo. Any vertical. Any market. 69 languages. Day one.