▮// WEB DEVELOPMENT · SEO · GEO

BLACK
INDEX

We build sites that Google indexes and AI engines cite. Development, SEO and GEO from one team — for businesses that need to show up where their customers are asking.

Index my business →See projects

[ scan: active ]4 projects in productionUS / LATAM · ES + EN

// 01 — SERVICES

Three layers, one goal:
getting you found.

/dev

Web development

Custom sites and apps in Next.js. Fast, measurable and production-ready — not retouched templates.

›Next.js + Vercel
›Core Web Vitals in the green
›Bilingual ES / EN out of the box

/seo

SEO

Technical architecture and content Google understands. No tricks, no smoke — work that holds up through algorithm updates.

›Technical SEO + audits
›Structured data / schema
›Content built for search intent

NEW

/geo

GEO

Generative engine optimization: getting ChatGPT, Perplexity and Google AI to cite your business when someone asks about what you do.

›llms.txt + citable content
›Structure AI models can read
›AI mention monitoring

View all services →

// 02 — PROJECTS

In production, not on Dribbble.

001

PrimeTime PPH

Bilingual (EN/ES) redesign for a pay-per-head software platform with 17 years in the US market. Full site, SEO architecture and GEO content.

RedesignSEO · GEOEN + ES

primetimepph.com ↗

002

DeUnaParts

Auto-parts quote marketplace in Costa Rica: one request, up to five quotes. A full product — request form, seller flow and account-free tracking.

Next.jsProductES

de-una-parts.vercel.app ↗

003

La Villa Lavacar

Internal operations system for a car wash in San Ramón, Costa Rica. Authentication, roles and daily operations control — real software for a real business.

Web appOperationsES

la-villa-lavacar.vercel.app ↗