Add this page to the Home Screen from Safari (Share, Add to Home Screen), open it from the new icon, then screenshot this page.
在 Safari 中把本页添加到主屏幕（分享，添加到主屏幕），从主屏幕图标打开，然后截图本页。
T1 (loading)
last updated: never (-)
T1-WI values
All display-mode queries
| matchMedia query | .matches |
|---|
Context
User agent
Results JSON
Nothing on this page is sent anywhere: no analytics, no third-party requests, no server.
The safe-area value is read with a CSS probe; without viewport-fit=cover (this page
does not set it) iOS normally reports 0. Back to the lab:
/lab/device-tests/ (that page has a manifest; this one does not).