Many sites when viewed on the iPad using Safari block the use of pinch zoom.
Example twitter
https://mobile.twitter.com/barcastuff/tweets
Found a tip to allow zooming on all sites:
Tip that worked for me was the one beginning with Ugh.
http://apple.stackexchange.com/questions/28391/how-can-i-force-pinch-to-zoom-on-some-websites
Basically create a bookmark called AllowZoom with the following link:
javascript:document.querySelector('meta%5Bname=viewport%5D').setAttribute('content','width=device-width,initial-scale=1.0,maximum-scale=10.0,user-scalable=1');
After the site loads , press the link , then pinch zoom works.
Also some 3rd browsers like iCabMobile have a Always Allow Zooming setting.
Example twitter
https://mobile.twitter.com/barcastuff/tweets
Found a tip to allow zooming on all sites:
Tip that worked for me was the one beginning with Ugh.
http://apple.stackexchange.com/questions/28391/how-can-i-force-pinch-to-zoom-on-some-websites
Basically create a bookmark called AllowZoom with the following link:
javascript:document.querySelector('meta%5Bname=viewport%5D').setAttribute('content','width=device-width,initial-scale=1.0,maximum-scale=10.0,user-scalable=1');
After the site loads , press the link , then pinch zoom works.
Also some 3rd browsers like iCabMobile have a Always Allow Zooming setting.
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