https://www.rambling-me.com/blog A blog to reflect my thoughts, learnings, and observations en-us me@rambling-me.com (Dopeking) me@rambling-me.com (Dopeking) Sat, 15 Aug 2026 00:00:00 GMT https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/1-bytes-to-the-client-cheaply https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/1-bytes-to-the-client-cheaply The frontend track opens on the read path. The cheapest request your backend ever handles is the one it never receives, so scaling the client is largely about serving bytes from as far out as possible: CDNs and the edge, HTTP and client caching, right-sized payloads, and pagination. Plus the native-app angle, where on-device storage becomes a real cache tier. Sat, 15 Aug 2026 00:00:00 GMT me@rambling-me.com (Dopeking) technologyscalingui-frontendcdncachingpaginationpayloadpractitioner https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/2-real-time-on-the-client https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/2-real-time-on-the-client How to push live updates to the client, and what each approach costs at scale. Polling, long-polling, server-sent events, and websockets compared on freshness and load, plus the thing people miss: holding a hundred thousand concurrent connections is its own scaling problem. And the native callout, where platform push replaces self-held connections entirely. Mon, 17 Aug 2026 00:00:00 GMT me@rambling-me.com (Dopeking) technologyscalingui-frontendwebsocketsssepollingreal-timepractitioner https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/3-ux-of-eventual-consistency https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/3-ux-of-eventual-consistency Where the whole pillar pays off on the client. When the backend went asynchronous, the UI could no longer promise done the instant the user acts. This is the craft of telling the truth about work in progress: optimistic updates and reconciliation, honest intermediate states, handling out-of-order and duplicate events, idempotent client actions, and error UX. And why a bank refuses the optimism a food app embraces. Sat, 22 Aug 2026 00:00:00 GMT me@rambling-me.com (Dopeking) technologyscalingui-frontendeventual-consistencyoptimistic-uiidempotencyuxpractitioner https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/4-client-resilience https://www.rambling-me.com/blog/posts/technology/scaling/ui-frontend/4-client-resilience Closing the frontend track and the pillar. The client faces the same scale and failure the backend does, and has to stay trustworthy through it: graceful degradation, retry with backoff, offline and flaky-network handling. Then the cross-cut that ties the pillar together, auth that scales, client-side rate limiting, and frontend observability that closes the loop back to knowing your numbers. Plus the native reality of un-hot-fixable clients. Mon, 24 Aug 2026 00:00:00 GMT me@rambling-me.com (Dopeking) technologyscalingui-frontendresilienceofflineauthenticationobservabilitypractitioner