Fetch is Slow

Hi, I know there are some issues open about the fetch being slow, but from what i see those issues are about when the app is in debugging mode(connected to the chrome), which is not the case.

The problem is, that when i make a request, it takes a lot of time to complete the request between point A and point B (see code), and this happen both in debug and release mode. We are talking about 2 mega of information that is coming from the server. in PostMan the same request take 3 second counted with a timer and 1155ms counted by PostMan.

//Point A
fetch('http://api.myApi.com/mobile/', {
  method: 'GET',
  headers: {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    'Authorization': 'myToken'
  },
  body: null
}).then(res => {
  if (!res.ok) {
    throw Error(response.statusText);
  }
  //Point B
  return res.json();
})

Values in real devices from Point A to Point B: iPhone 6s: between 4 and 14 seconds iPhone6: between 25 and 40 seconds iPhone 5s: >1m

• React Native version: V0.31.0
• Platform: iOS, (Not 100% sure about Android, i just have one android device to test, so i can’t say if it is the device fault)
• Operating System: MacOS
• Network Info: Wi-fi, 200 mega optical fiber

[SamiChab]

Nope, it doesn’t change a lot. But I guess the error was mine: I wasn’t calling exactly the same routes on iOS and Android… Thanks for your help @yury

[yury]

@SamiChab try set and see the difference

headers: {'Accept-Encoding':'gzip;q=1.0, compress;q=0.5'}