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POMobile Safari iOS failing to load multiple small files (such as images or JavaScript) on first page visit only
 

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  1. POMobile Safari iOS failing to load multiple small files (such as images or JavaScript) on first page visit only
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    <p>I've been fighting a problem on the iPhone and iPad where it fails to load multiple assets at the same time. Two scenarios:</p> <p>a) Loading approx 20+ external JavaScript files - this is not a problem on my live sites because I combine my JavaScript into one file before deploying, but causes issues on my test server.</p> <p>b) Loading approx. 20+ small thumbnail images on the same page (each one is roughly 30kb).</p> <p>In both scenarios Safari (usually) gets stuck on a handful of files and never finishes loading them. The loading indicator on the iOS top menu is stuck loading until a refresh. </p> <p>The second time you visit (when the assets are cached) all will be fine. I have to clear Safari's cache to reproduce the issue.</p> <p>I can get round the issue by delaying load of the assets in JavaScript, but this is quite bodgy and I'd like to better understand what's going wrong and see if I can find a neater solution.</p> <p>An example can be seen here (visit on an iOS device): <a href="http://www.jamesgretton.co.uk/expem/so_ios_multi/" rel="noreferrer">http://www.jamesgretton.co.uk/expem/so_ios_multi/</a></p> <p>Also, in case it's useful, I've got round the problem here by delaying the load of the thumbnails: <a href="http://www.interior-id.com/work/" rel="noreferrer">http://www.interior-id.com/work/</a> but it would break otherwise.</p> <p>Any thoughts would be greatly appreciated!</p> <p>James</p>
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    1. USJamie G
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      1. POMobile Safari iOS failing to load multiple small files (such as images or JavaScript) on first page visit only
      1. USChristoph
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      1. POMobile Safari iOS failing to load multiple small files (such as images or JavaScript) on first page visit only
      1. USMatt Klinker
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    1. COI've just earned a stackoverflow "tumbleweed" award for this post. Not quite the plan! Interestingly I've since noticed this on other sites on iOS, so I do think it's relevant.
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      1. USJamie G
 

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