TL;DR: I built melhor.dev — a free AI-powered tech review site for the Brazilian market. After 6 months of testing, here are the exact prompts, workflows, and tools I used. Plus, I compiled everything into a free downloadable guide.
The Problem With Tech Reviews
Every time someone asks "should I buy Sony WH-1000XM6 or AirPods Pro 3?", they get:
- Sponsored articles that rank by affiliate commission, not quality
- Outdated reviews from 2023 with wrong prices
- Generic specs copy-pasted from Amazon
I wanted something different: AI-analyzed, always current, zero BS.
What I Built: melhor.dev
tech.melhor.dev — 35 pages of structured tech reviews for the Brazilian market.
Every page has:
- Answer box for AI search engines (GEO/AEO optimized)
- Structured product data with schema markup
- Honest pros/cons (no sponsored content)
- Local prices in BRL
The whole system runs on Astro SSG + a few AI-powered workflows.
The AI Workflow Behind It
Step 1: Research Automation (n8n)
Trigger: New product category request
→ Web search (Perplexity API) for latest prices + reviews
→ GPT-4 analyzes: extract specs, generate verdict, write pros/cons
→ Output: structured JSON with product data
→ Astro page generation from template
Step 2: SEO + GEO Optimization
Each article gets:
- Featured snippet-ready answer box (first 50 words)
- FAQ schema (JSON-LD)
- Product schema with real prices
- robots.txt that explicitly allows GPTBot, ClaudeBot, PerplexityBot
Step 3: Multi-platform Distribution
- IndexNow → instant Bing/DDG indexing
- Google Search Console API → sitemap push
- llms.txt → AI engine discovery
The Results So Far
- 35 pages live in 3 days
- TTFB < 30ms (static site + CDN)
- 0 paid traffic — 100% organic
- First GSC impressions appearing within 48h
Key Insight: The Gap in the Market
Brazilian tech review sites are terrible. Reveio, ReviewDosMelhores — generic, shallow, clearly SEO farmed.
The opportunity: authentic, structured content that actually helps people make decisions.
This is exactly what LLMs want to cite. Google AI Overview loves answer-first content. Perplexity loves structured data.
Free Downloads
I packaged everything into free resources:
1. Free: n8n AI Automation Workflows Pack
If you want to replicate this workflow setup, I published the exact n8n templates I use:
Get the free workflow pack →
(Pay what you want — including /usr/bin/bash)
2. Free/Paid: AI Agent Team Guide
The full system including 15+ agent templates, the content workflow, and the SEO automation setup:
AI Agent Team Guide → (from )
3. The Site Itself
Browse the full tech review site: tech.melhor.dev
Tech Stack (full)
| Component | Tool | Cost |
|---|---|---|
| Framework | Astro SSG | Free |
| AI workflow | n8n (self-hosted) | ~/mo VPS |
| Search | Perplexity API | ~/mo |
| Analytics | GA4 | Free |
| CDN/DNS | Cloudflare | Free |
| Hosting | DigitalOcean | 4/mo |
What's Next
Building the next 15 articles this week. Planning to add:
- Price tracking (auto-update when prices change)
- User-submitted reviews
- WhatsApp bot that answers product questions
If you're building something similar or want to discuss the AI workflow, drop a comment — happy to share more details.
This is part of a series on building AI-powered web properties. Follow for updates.
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