Estimating Available Storage Space
navigator.storage.estimate() gives you insight into your web app's storage constraints.
storage
serviceworker
indexeddb
chrome61
Offline Google Analytics Made Easy
The sw-offline-google-analytics library gives you everything you need.
serviceworker
analytics
offline
indexeddb
Blob support for IndexedDB landed on Chrome Dev
Long awaited feature for Chrome, Blob support on IndexedDB landed in Chrome Dev.