Service Worker
N/A
Service Worker
Service Worker · N/A · Service Worker · SER-vis WUR-ker · SW · web worker for networking · Web Development · offline · pwa · cachingWeb DevelopmentSW web worker for networking/SER-vis WUR-ker/
Also known as: SW, web worker for networking
Last updated August 8, 2026
Definition
A service worker is a background script that can intercept network requests, cache responses, and enable offline-capable web experiences.
Real-World Example
A glossary PWA’s service worker may cache term pages so they still open during a train ride without signal.
References
Related terms
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