Answers for "disable mobile browser zoom"

lock the zoom html

<meta name='viewport' 
     content='width=device-width, initial-scale=1.0, maximum-scale=1.0, 
     user-scalable=0' >

prevent webpage zooming in mobile

<meta 
     name='viewport' 
     content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0' 
/>