offline first

 offline first  is a method of developing a website that once a user has visited it once on their device, it will always provide at least some content (posts) and or features (like creating posts) when they revisit even when offline without internet access, using technologies like Service Workers and Local Storage.

Jeremy Keith
’s primary website: https://adactio.com/ has offline first support so it works when you reload it when you're offline, and can even read some of the articles (whatever it happened to cache from before, including what you browsed)

Tantek
undefined’s primary website: https://tantek.com/ has offline first support since 2019-12-08 when he implemented it during IndieWebCamp SF 2019.

Books

 * Going Offline by, published by A Book Apart
 * Table of Contents for Going Offline
 * "Resilient Web Design" by is an entire offline first website: https://resilientwebdesign.com/

Articles
 has also written prolifically about offline support and offline first development. See:
 * 2013-11-05 Say Hello to Offline First
 * 2013-12-03 A List Apart: Designing Offline-First Web Apps
 * adactio.com tag: offline
 * 2017-01-11 Making Resilient Web Design work offline
 * 2018-04-03 Announcing Going Offline from A Book Apart
 * 2018-12-05 Going Offline First (Video Series) review of:
 * 2018-12-05 Ire Aderinokun: Going Offline First (Video Series)
 * 2018-12-06 Mistletoe Offline

Projects

 * HospitalRun (uses couchdb & service-workers)

More Articles:
 * 2019-04: Local-first software / You own your data, in spite of the cloud

Sessions
IWC sessions related to offline first explorations:
 * 2019 IWC Brighton session: Local first, offline first vs no cloud and multidevices
 * 2019 IWC SF session: Local and Offline Jam