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That talks about Chrome, which is known to use a lot of resources in general (see: battery life tests).

Is it also an issue on IE/Edge or Firefox? What about Safari/Mobile Safari?



This line from the article makes me think it affects Mobile Safari (or did in the past).

> The performance for this feature is so bad that iOS simply ignores this property.


Oh, I guess that's why it seemed perfectly smooth on my iPad. Thanks.


position: fixed wasn't supported until iOS 5 and not completely/well until iOS 8: http://caniuse.com/#feat=css-fixed




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