Optimising SVG load with Service Workers
This demo goes with the article "Optimising SVG load with Service Worker".
If it works, you should see green dots on all images but the heart one.
Supported browser: latest Chrome, Firefox and Opera.
The first time the site runs, it will install the Service Worker, so it won't be ready right away: none of the images will have a green dot.
The next reload, the SW should be installed and running, and the images should have the green dot.
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