Google Search has started using a new feature: It’s called Service Worker, and it caches repeated searches to load results twice as fast.
The new feature was announced this week by Dion Almaer, Google’s director of engineering, and Ben Galbraith, Google’s senior director of product, at Pluralsight Live in Salt Lake City, Utah.
Galbraith and Dion spent most of their time talking about modern web technologies and tools, such as AMP, Service Worker, and WebAssembly. Some of these we already know, but Google Search’s Service Worker, an API for running scripts in the background of the browser, was new.
“The mission of Google Search is to give you relevant results as quickly as possible,” Almaer said on stage. “So we invested in developing a Service Worker that will give you results twice as fast.”
Initially, Service Worker is only used in Chrome for Android, specifically from version 62 and up (we are already on Chrome version 68). Therefore, only Chrome for Android users will see a difference in performance.
While other browsers will add the required features, the Google Search team will expand the use of Service Worker.
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