The first one:
<content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no "/>
Prevents users from manually resizing the zoom.
The height of the width-viewport width height-viewport
Initial-scale-Initial zoom ratio
Minimum-scale-Minimum scale to allow the user to zoom
Maximum-scale-Maximum scale to which the user is allowed to zoom
User-scalable-whether the user can manually scale
The second one:
<meta name= "format-detection" content= "Telephone=no"/>
The phone number is not displayed as a dial-up link.
The default value on the iphone is (the phone number is displayed as a dial-up hyperlink):
<meta name= "format-detection" content= "Telephone=yes"/>
Can be telephone=no, the phone number is not displayed as a dial-up link.
The third one:
Private attributes of the iOS device to the META definition: (can be added to the home screen)
<meta name= "apple-mobile-web-app-capable" content= "yes"/>
Fourth one:
Web App support is enabled on the Web site.
<meta name= "Apple-mobile-web-app-status-bar-style" content= "Black"/>
• The color of the status bar (top bar of the screen) in the web App app;
• Default (white), can be set to Black (dark) and black-translucent (gray translucent).
• If the value "Black-translucent" will occupy the page px position, floating above the page (will cover the page 20px height –iphone4 and itouch4 Retina screen is 40px).
"Technology" mobile end <meta> Interpretation