# yuyin.io > AI-optimized mirror of yuyin.io containing 7 pages totalling 610 words of clean markdown content, structured data, and semantic HTML. Original source: https://yuyin.io/. Last updated: 2026-05-01T13:54:35.575Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Master Chinese Pronunciation](/site-root.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (82 words) ## Articles & Blog Posts - [Reset your password](/forgot-password/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (23 words) - [服务条款 Terms and Conditions](/terms/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (281 words) - [关于我们 About Us](/about/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (126 words) - [Contact Us](/contact/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (51 words) - [Create an account](/signup/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (29 words) - [Sign in to your account](/login/index.html): YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation (18 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives