m.tworld.co.kr - Error when loading the page

[lego37yoon]

URL: https://m.tworld.co.kr/v6/main

Browser / Version: Firefox Mobile 112.0 Operating System: Android 12 Tested Another Browser: Yes Chrome

Problem type: Site is not usable Description: Page not loading correctly Steps to Reproduce: tworld.co.kr is a website for users who use SKTelecom as mobile carrier. You can buy smartphones, check usage of call, SMS, data(WCDMA, LTE, 5G NR) or enroll additional services like anti-spam filter for SMS.

After Feb, 2023, tworld.co.kr shows error message below: Application error: a client-side exception has occurred (see the browser console for more information).

Tested on various environments, but error only occurs in Firefox Mobile(Fenix)

• Firefox Nightly 112.0a1(2023-03-02) 64Bit, Kubuntu 22.04 : Work correctly, but load slower than Chrome.

• Chrome Mobile 110.0.5481.153, Android 12, LG G8 ThinQ(LM-G820N): Work correctly

• Firefox Nightly (Mobile) 112.0a1(2023-03-01), Android 12, LG G8 ThinQ(LM-G820N): Error occurs

• Enhanced Tracking Protection, Block Cookie Banner, AdBlock Origin, etc... are disabled in testing environment

  View the screenshot

  

Browser Configuration

• gfx.webrender.all: false
• gfx.webrender.blob-images: true
• gfx.webrender.enabled: false
• image.mem.shared: true
• buildID: 20230228085339
• channel: nightly
• hasTouchScreen: true
• mixed active content blocked: false
• mixed passive content blocked: false
• tracking content blocked: false

View console log messages

From webcompat.com with ❤️

[softvision-raul-bucata]

We appreciate your report. I was able to reproduce the issue:

Tested with:

Browser / Version: Firefox Release 110.1.0 (2015936099-🦎110.0.1-20230227191043🦎)/ Firefox Nightly 112.0a1 (2015936419-🦎112.0a1-20230301225323🦎)/ Chrome Mobile Version 110.0.5481.153/ Operating System: Samsung A51 (Android 11) -1080 × 2400 pixels 20:9 aspect ratio (~405 ppi density) Operating System: Google Pixel 3 (Android 12) -1080 x 2160 pixels, 18:9 ratio (~443 ppi density)

Notes:

1. Reproducible regardless of the status of ETP.
2. Reproducible on the latest build of Firefox Nightly and Release.
3. Works as expected using Chrome.

Moving this to NeedsDiagnosis for further investigations.

[qa_09/2023]

[ksy36]

The site loads as expected if I change the UA to Chrome's in general.useragent.override in about:config. We can add an override here for Firefox on Android since this an important site. Let's move to needscontact

[ksy36]

Override is shipped in v114 (https://bugzilla.mozilla.org/show_bug.cgi?id=1830821)