It must be able to cache it's all content in browser.
I guess to do it it properly you need to make it PWA.
Idea is to keep it light and accessible. PWA would be data heavy. The use case is in the article linked in the post description.
You can also just use proper HTTP cache headers. ETag and a very long Expires header.
Idea is to keep it light and accessible. PWA would be data heavy. The use case is in the article linked in the post description.