https://www.prepgrind.xyz/ weekly 1.0 2026-06-04 https://www.prepgrind.xyz/og-image.png PrepGrind — interactive system design and DSA interview prep playground https://www.prepgrind.xyz/system-design/url-shortener/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/social-media-feed/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/chat-system/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/video-streaming/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/ride-sharing-platform/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/e-commerce-platform/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/upi-payment-gateway/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/google-docs/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/tinder/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/google-drive-dropbox/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/instagram/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/type-ahead-search/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/web-crawler/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/ticket-booking/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/pastebin/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/notification-system/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/rate-limiter/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/simple-web-app/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/food-delivery/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/stock-trading-system/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/live-streaming/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/distributed-key-value-store/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/ad-click-aggregation/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/monitoring-metrics/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/online-judge/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/fb-post-search/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/yelp/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/cache-layer/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/message-queue/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/system-design/full-production-stack/ monthly 0.8 2026-06-04 https://www.prepgrind.xyz/privacy.html yearly 0.2 2026-06-04 https://www.prepgrind.xyz/terms.html yearly 0.2 2026-06-04 https://www.prepgrind.xyz/refund.html yearly 0.2 2026-06-04 https://www.prepgrind.xyz/cancellation.html yearly 0.2 2026-06-04