1982880 - yoshinoya-mini-web - Android Firefox is blocked

Status: NEW

(Web Compatibility :: Site Reports, defect, P3)

Description

[Kanaru Sato [:canalun]]

Environment (copy of "About Firefox")
141.0.3 (Build #2016106991), null
GV: 141.0.3-20250806102122
AS: 141.0.1
OS: Android 15

Step to Reproduce

• Open https://yoshinoya-mini-web.starboss.biz/main

Actual Result

• The site says "If you use smartphone and this page is displayed, your browser is not supported."

Expected Result (= The result on Chrome)

• The site is properly displayed.

Note

• The mask makes it work!

Comment 1

[Sky Schubert [:skyschub]]

I get a 403, so I assume I'm getting geoblocked.

Comment 2

[Kanaru Sato [:canalun]]

the same result is confirmed on Firefox iOS, too. (the site works on Chrome iOS)

Environment

• iOS (17.5.1)
• Firefox 141.2 (59350)

Comment 3

[Makoto Kato [:m_kato]]

This site uses platform.js to detect UA. If false, this site seems to show "unsupported".

function TD() {
  switch (console.log(zn), zn.os.family) {
    case 'iOS':
      return (zn.name === 'Chrome Mobile' || zn.name === 'Safari') &&
      CD(zn.ua);
    case 'Android':
      return zn.name === 'Chrome Mobile';
    default:
      return !1
  }
}

Comment 4

[Kanaru Sato [:canalun]]

Since there is no reply though I outreached via the contact form 2 weeks ago, I believe it would be a good idea to adopt sitepatch.

Comment 5

[Jan Brasna [:janbrasna]]

Could an intervention be targeting the platform library (now unmaintained) instead of individual sites?

Comment 6

[Jeff Muizelaar [:jrmuizel]]

The upstream library supports Firefox for Android and iOS. I think this site is just using a really old version.

Comment 7

[Sky Schubert [:skyschub]]

ni? Tom for the intervention

Comment 8

[Thomas Wisniewski [:twisniewski]]

Attachment: Bug 1982880 - add an Android-only UA override for yoshinoya-mini-web.starboss.biz; r?denschub

Comment 9

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/2c813043a22d
https://hg.mozilla.org/integration/autoland/rev/e3d9bf4f2538
add an Android-only UA override for yoshinoya-mini-web.starboss.biz; r=denschub,webcompat-reviewers

Comment 10

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/e3d9bf4f2538

Comment 11

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/e3d9bf4f2538

Comment 12

[Thomas Wisniewski [:twisniewski]]

I think the best we'll be able to do here is to target specific sites, since many sites will web-pack this kind of script. But if we do find a CDN-style URL which is being used by a site rather than being web-packed, we can hopefully fix multiple sites in the long tail at once.

Comment 13

[BugBot [:suhaib / :marco]]

The leave-open keyword is there and there is no activity for 6 months.
:twisniewski, maybe it's time to close this bug?
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