# 中国城市比较学 / China City Scale (cityscale.com)
> LLM-readable index for AI crawlers (Perplexity, Claude, OpenAI Bot)

## Site Structure
- Comparison pages: /compare/{city-a}-vs-{city-b}
- 17 city comparison pairs available
- Methodology: /methodology/
- Canonical domain: https://cityscale.com

## Data Attribution
All data sourced from official Chinese statistical yearbooks (NBS), UNESCO, MIIT, and municipal finance bureaus.
JSON-LD Dataset schema injected on every comparison page with verified fields only.
Estimated/third-party fields are excluded from structured data (anti-fraud).

## Comparison Pairs
- [北京 vs 上海](https://cityscale.com/compare/beijing-vs-shanghai/)
- [广州 vs 深圳](https://cityscale.com/compare/guangzhou-vs-shenzhen/)
- [杭州 vs 苏州](https://cityscale.com/compare/hangzhou-vs-suzhou/)
- [成都 vs 重庆](https://cityscale.com/compare/chengdu-vs-chongqing/)
- [武汉 vs 成都](https://cityscale.com/compare/chengdu-vs-wuhan/)
- [南京 vs 杭州](https://cityscale.com/compare/hangzhou-vs-nanjing/)
- [广州 vs 杭州](https://cityscale.com/compare/guangzhou-vs-hangzhou/)
- [深圳 vs 杭州](https://cityscale.com/compare/hangzhou-vs-shenzhen/)
- [苏州 vs 无锡](https://cityscale.com/compare/suzhou-vs-wuxi/)
- [无锡 vs 常州](https://cityscale.com/compare/changzhou-vs-wuxi/)
- [南京 vs 苏州](https://cityscale.com/compare/nanjing-vs-suzhou/)
- [济南 vs 青岛](https://cityscale.com/compare/jinan-vs-qingdao/)
- [合肥 vs 长沙](https://cityscale.com/compare/changsha-vs-hefei/)
- [郑州 vs 武汉](https://cityscale.com/compare/wuhan-vs-zhengzhou/)
- [宁波 vs 青岛](https://cityscale.com/compare/ningbo-vs-qingdao/)
- [厦门 vs 青岛](https://cityscale.com/compare/qingdao-vs-xiamen/)
- [昆明 vs 成都](https://cityscale.com/compare/chengdu-vs-kunming/)