What is this: Slow network is detected. Fallback font will be used while loading

Ionic Framework ionic-v3
1

After updating Ionic CLI to 3.13.2 this is showing on console log.

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I dont understand what is this

1 Like
2

It’s just a Chrome thing. Nothing to worry about.

2 Likes
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@SigmundFroyd Cheers for your help

4

I have the same problem and so far I have not found the solution

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Well, it’s not a problem. It’s just a heads up message.

However if you’d like to disable it, I believe the SO page I linked to talks about a setting somewhere.

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I had the similar problem and found a solution https://stackoverflow.com/questions/40143098/why-does-this-slow-network-detected-log-appear-in-chrome/46863592#46863592. Not actually a “problem” but a warning

@jhonatasfender try the solution above

7

Goto chrome://flags/#enable-webfonts-intervention-v2 and set it to disabled

It’s due to a bug in Chrome with their latest API for ‘network speed’. Hope it will be fixed in the next version

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For anybody that might get here in the future. Just use

 font-display: block;