Why Do HTML Elements Disappear and Reappear During iPad Safari Scrolling, and How Can I Fix It?

Resolving HTML Element Delay Issues during Scrolling in iPad Safari

Issue:

In an iPad Safari web application, HTML components vanishing and reappearing with a noticeable lag as the page is scrolled. The issue occurs with significant scroll areas and concerns elements positioned offscreen.

Underlying Reason:

iPad Safari attempts to conserve memory by delaying the rendering of offscreen elements until the scrolling animation completes.

Solution:

To enhance hardware acceleration and alleviate this choppy behavior, consider implementing the following:

-webkit-transform: translate3d(0, 0, 0)

Apply this empty three-dimensional transformation to the child elements that have a position:relative declaration. This strategy is not foolproof but often proves effective.

Additional Context:

iPad Safari's memory conservation measures cause the delayed rendering of offscreen elements. By forcing the browser to utilize hardware acceleration, the issue can be mitigated.

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