# Threema Web Diagnostics

This test will check your browser for compatibility problems. It will also check whether WebRTC connection buildup using STUN/TURN works.

## Is JavaScript enabled?

error No
check_circle Yes

## Is WebRTC available?

help Unknown
error No

RTCPeerConnection is a part of WebRTC.
Threema Web cannot work without it.

check_circle Yes

## Are WebRTC DataChannels available?

help Unknown
error No

RTCDataChannel is a part of WebRTC.
Threema Web cannot work without it.

check_circle Yes

## Is LocalStorage available?

help Unknown
error No

Without LocalStorage, persistent sessions and settings
cannot be stored in the browser.
See the FAQ for information on how to fix this.

check_circle Yes

## Are desktop notifications available?

help Unknown
error No

Without desktop notifications, we cannot notify you when a new message arrives.

check_circle Yes

## Does TURN work?

help Unknown
error No

It looks like TURN traffic is being blocked by your firewall.
Without TURN, connections can only be established if your computer
and your phone are in the same network.

check_circle Yes

Results: