Description:

Web interface doesn't work in IE 11 in intranet sites Compatibility View, which is default Internet Explorer 11 behavior for intranet sites.

Server Setup Information:

• Version of Rocket.Chat Server: 0.60.3
• Operating System: Centos 6.9 on server, Windows 10 on client
• Deployment Method(snap/docker/tar/etc): tar
• Number of Running Instances: 1
• DB Replicaset Oplog: 1
• Node Version: node/8.9.3

Steps to Reproduce:

1. Install Rocket.Chat on one of the local intranet sites
2. Open Rocket.Chat in Internet Explorer 11

Expected behavior:

Page should open.

Actual behavior:

Empty page, lots of JavaScript errors in the browser console.

Additional information:

If I open Compatibility View settings, and uncheck the "Display intranet sites in Compatibility View" box, Rocket.Chat works normally.

Possible remediation:

<meta http-equiv="X-UA-Compatible" content="IE=edge" /> tag should be before the script tag in the page head.