Hi im try to visit theme demo page with 2 device
Both have ios versione 9.3.1
I try Safari and chrome, i have the same issues
When i open the page i see all white
I start scroll down and start see the demo content.
After 1 sec the view return white.
Yes it same, you can reproduce here:
I think the problem is the loader, never dissaper.
If u check here https://data.apteligent.com/ios/
iOS 9 have 5% distribution.. decide if you want to support it or not, i solved updating my iphone to iOS11.
Have a nice day!