The iOS 10 SDK adds UITableViewDataSourcePrefetching and UICollectionViewDataSourcePrefetching for pre-fetching table view and collection view data to improve the user experience when table views and collection views present images.
Preheat is an open source library from Alexander Grebenyuk for iOS 8+, and TvOS 9+ providing pre-fetching functionality similar to the pre-fetching features added in the iOS 10 SDK.
Preheat can be used with any image loading library.
You can find Preheat on Github here.
A nice library for improving collection and tableview performance.
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