# ReBabel > ReBabel is a science-based Japanese language learning platform that combines customizable study sets with spaced repetition techniques. The platform provides interactive flashcards, quizzes, and structured practice modules for efficient language acquisition. Last Updated: November 12, 2025 ## Overview ReBabel helps Japanese language learners reinforce vocabulary and grammar through: - Customizable study sets for vocabulary and grammar - Interactive flashcard practice with spaced repetition - Quiz-based learning modules - Progress tracking and performance analytics - Comprehensive blog with language learning tips and strategies ## Public Pages [Homepage](https://www.rebabel.org/): Main landing page with platform overview, features, and call-to-action [Blog](https://www.rebabel.org/blog/): Collection of language learning tips, study strategies, and educational content with tags for grammar, vocabulary, and study techniques [Help & FAQ](https://www.rebabel.org/help/): Frequently asked questions, getting started guides, and troubleshooting information [Individual Blog Posts](https://www.rebabel.org/blog/[slug]/): Detailed articles on Japanese grammar, vocabulary, study techniques, and cultural insights ## Content Sections ### Blog Categories - Grammar lessons and explanations - Vocabulary building strategies - Study techniques and motivation - Japanese culture and context - Learning resources and tools ### Restricted Content (Authentication Required) The following routes are excluded from LLM access per robots.txt: - `/learn/` - User dashboard, study sets, and practice content - `/api/` - API endpoints and internal operations ## Access Guidelines ### For Web Crawling - Respect [robots.txt](https://www.rebabel.org/robots.txt) - Use [sitemap](https://www.rebabel.org/sitemap.xml) for page discovery - Recommended crawl-delay: 1 second - Include User-Agent header identifying your crawler ### For Content Analysis All public pages include: - Open Graph metadata for social sharing - Twitter Card metadata - JSON-LD structured data for search engines - Canonical URLs to prevent duplicate content - Mobile optimization meta tags ## Metadata [Sitemap](https://www.rebabel.org/sitemap.xml): Complete list of publicly accessible pages [Robots.txt](https://www.rebabel.org/robots.txt): Crawling guidelines and restrictions ## Language & Localization - Primary language: English (en-US) - Content focus: Japanese language learning - All public pages declare language properly ## Rate Limiting & Performance For respectful access: - Implement 1+ second delay between requests - Cache content when possible - Request gzip compression for bandwidth optimization - Stop if 429 (Too Many Requests) is returned ## Support [Contact Page](https://www.rebabel.org/help/): For questions and support inquiries --- Version 2.0 | Updated November 12, 2025