# CitiesABC

> A comprehensive smart cities knowledge portal featuring city profiles, rankings, education, geospatial mapping, and AI-powered discovery.

## About

CitiesABC (citiesabc.com) is a smart cities intelligence platform aggregating city data, rankings, organizations, universities, and editorial content for cities worldwide. It offers interactive geospatial maps, curated top-city lists, AI-powered chat, a marketplace, and in-depth profiles covering economy, innovation, and quality of life.

## Main Sections

- **City Profiles** — Rankings, economy, organizations, universities, and points of interest for cities worldwide.
- **Smart Cities Lists & Rankings** — Curated top-50/100 lists for smart cities, quality of life, African cities, most-visited cities, and world events.
- **Universities & Education** — Searchable directory of global universities and education institutions, with country-level rankings.
- **Interviews & Resources** — Editorial interviews with city leaders and curated smart city resources.
- **Blueprint: Smart Cities** — A structured knowledge framework for city planning and innovation.
- **Geospatial Map** — Interactive 2D Mapbox and 3D Cesium globe views for exploring city locations.
- **Marketplace** — Cities of the World product collection.
- **AI Chat** — AI-powered conversational interface for smart city discovery.

## Key Pages

- `/` — Home
- `/page/cities` — Cities Directory
- `/page/universities` — Universities Directory
- `/page/citiesabc-interviews` — CitiesABC Interviews
- `/page/citiesabc-resources` — CitiesABC Resources
- `/page/citiesabc-lists` — CitiesABC Lists
- `/page/citiesabc-largest-cities-index` — Largest Cities Index
- `/page/citiesabc-top-100-african-cities` — Top 100 African Cities
- `/page/top-most-visited-cities-in-the-world` — Most Visited Cities in the World
- `/page/citiesabc-top-30-best-quality-of-life-cities-in-the-world` — Top 30 Best Quality of Life Cities
- `/page/citiesabc-top-50-smart-cities` — Top 50 Smart Cities
- `/page/citiesabc-top-50-world-events` — Top 50 World Events
- `/page/top-universities-in-vietnam` — Top Universities in Vietnam
- `/page/top-universities-in-malaysia` — Top Universities in Malaysia
- `/page/top-universities-in-india` — Top Universities in India
- `/blueprint-smart-cities` — Blueprint: Smart Cities
- `/experiences` — Experiences
- `/marketplace/collections/cities-of-the-world` — Marketplace: Cities of the World
- `/privacy-policy` — Privacy Policy
- `/terms-of-service` — Terms of Service
- `/disclaimer` — Disclaimer

## Dynamic Content

- `/city/[slug]` — Individual city detail pages with organizations, education, and 3D map
- `/posts/[slug]` — News and blog articles
- `/education/[slug]` — Education institution pages

## Tech Stack

- Framework: Next.js 16, React Server Components, TypeScript
- CMS: Strapi (GraphQL)
- Search: Meilisearch + VertexAI vector search
- Maps: Cesium.js (3D globe), Mapbox GL (2D interactive)
- Auth: Supabase
- AI/Avatars: HeyGen Streaming Avatar, D-ID, Google Gemini
- E-commerce: Shopify Storefront API

## Authentication

Most content is publicly accessible. Some features such as AI chat and account management require authentication via Supabase.

## Optional

- [robots.txt](https://citiesabc.com/robots.txt)
- [sitemap.xml](https://citiesabc.com/sitemap.xml)