{"ok":true,"trend":{"id":814446,"platform":"mastodon","region":"global","key":"i built cachewhy around a small but costly http cache mistake. imagine a request for /missing.js... # opensource # showd","title":"I built cachewhy around a small but costly HTTP cache mistake. Imagine a request for /missing.js... # opensource # showd","url":"https://www.urbanmind.net/display/f7dd981d-c406ffc0-18dc2f9c3f5428d3","first_seen":"2026-10-03T04:00:30.438306Z","last_seen":"2026-10-03T04:00:30.438306Z","last_rank":4,"peak_rank":4,"last_volume":3,"peak_volume":3,"seen_count":1,"score":0.554921875,"category_hint":"software","section":"technology","category":"software","summary":"A developer has built cachewhy, an open-source tool centred on a common but expensive HTTP caching error: a request for a missing file such as /missing.js can be cached, so the file stays missing even after a fixed deployment. The release is being shared with developer communities, with discussion focused on why stale cache entries break sites after updates.","why":"It is a newly released open-source tool addressing a widely experienced deployment bug.","tone":"neutral","entities":["cachewhy","HTTP caching"],"summarized_at":"2026-10-03T04:01:10.930062Z","meta":{"tag":"opensource","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":474},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Developer releases tool explaining costly HTTP caching mistakes","section_name":"Technology","category_name":"Software","timeline":[{"captured_at":"2026-10-03T04:00:30.438306Z","rank":4,"volume":3}],"posts":[{"platform":"mastodon","url":"https://www.urbanmind.net/display/f7dd981d-c406ffc0-18dc2f9c3f5428d3","author":"hackaday@www.urbanmind.net","title":null,"snippet":"I built cachewhy around a small but costly HTTP cache mistake. Imagine a request for /missing.js... # opensource # showdev # ai # software # coding # development # engineering # inclusive # community Why a missing JavaScript file can stay missing after you deploy it","posted_at":"2026-10-03T03:07:02Z","likes":3}],"elsewhere":[],"window":"7d"}}