Check for the will-change: 'transform' background image performance hack#6
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kabel merged 1 commit intounl:masterfrom May 31, 2016
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This was throwing a false positive in some cases, where it should trigger a manual check instead.
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This was throwing a false positive in some cases, where it should trigger a manual check instead. The workaround is outlined in this post http://fourkitchens.com/blog/article/fix-scrolling-performance-css-will-change-property
It has been seen in the wild at UNL at http://unlcms.unl.edu/businessandfinance/parking-2/athletic-events-parking
While I personally think that the performance issue should be addressed in the browser rather than a workaround like this, we should probably still check for it.