Service-Worker on kiwi-walk https://kiwi-walk.com/tags/service-worker/ Recent content in Service-Worker on kiwi-walk kiwi-walk https://cdn.kiwi-walk.com/static/images/og-default.png https://cdn.kiwi-walk.com/static/images/og-default.png Hugo -- 0.140.1 zh-TW Wed, 11 Nov 2026 22:00:00 +0800 從一個無限 Failed to fetch 的 bug，認識頁面請求、CORS 和 service worker https://kiwi-walk.com/blogs/engineer/failed-to-fetch-service-worker-access/ Wed, 11 Nov 2026 22:00:00 +0800 https://kiwi-walk.com/blogs/engineer/failed-to-fetch-service-worker-access/ 放在 Cloudflare Access 後面的 PWA，登入過期後會不斷 Failed to fetch 又重新載入；藉這個 bug 認識頁面請求和 fetch 的差別、CORS、service worker，以及自動換頁為什麼要有防循環保險。