www.attwatchtv.com - Firefox is not supported

[adamopenweb]

URL: https://www.attwatchtv.com/accounts/BrowserNotSupported.html

Browser / Version: Firefox 63.0
Operating System: Mac OS X 10.13
Tested Another Browser: Yes

Problem type: Site is not usable
Description: Firefox is not supported
Steps to Reproduce:

1. Navigate to: https://www.attwatchtv.com/accounts/sign-in

Get redirected to unsupported page.

Browser Configuration

• mixed active content blocked: false
• buildID: 20180709100247
• tracking content blocked: false
• gfx.webrender.blob-images: true
• gfx.webrender.all: false
• mixed passive content blocked: false
• gfx.webrender.enabled: false
• image.mem.shared: true
• channel: nightly

From webcompat.com with ❤️

[softvision-oana-arbuzov]

Thanks for the report @adamopenweb , I was able to reproduce the issue.
On Chrome I'm correctly redirected to login page.

Firefox Console:

Source map error: request failed with status 404
Resource URL: https://cdns.directv.com/content/dam/dtv/gmott/css/bootstrap.min.css
Source Map URL: bootstrap.min.css.map[Learn More]

Tested with:
Browser / Version: Firefox Nightly 63.0a1 (2018-07-09)
Operating System: Windows 10 Pro

Moving to Needsdiagnosis for further investigation.

[adamopenweb]

Moving to needscontact.

[adamopenweb]

Reaching out to some AT&T contacts on LinkedIn.

[cipriansv]

I retested the issue and it is still reproducible on my side.

Tested with:
Browser / Version: Firefox Nightly 69.0a1 (2019-06-26)
Operating System: macOS Mojave 10.14.5