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by Eridrus 3187 days ago
I worked for an analytics company at one point and we generated impression IDs server side (you'd be surprised how broken client-side JS randomness can be) and included them in our loader. If we had been using CloudFlare I would have put our loader directly into this service worker so that we could shave a few more milliseconds off our intial response time, so that we could get to our cached JS faster.

So yeah, if you care about milliseconds :)

1 comments

Ah, that makes more sense. Thanks!