“Status Code:200 OK (from ServiceWorker)” in Chrome Network DevTools?

Question

I am familiar with http status codes, but recently I saw a strange line in my chrome debugger. Instead of ordinary Status Code:200 OK I saw the following:

Answer 1

This is normal . To avoid confusion arising out by 200 for every request. Its showing that the request is a SUCCESS but service-worker has responded for the resource / request instead of network/server