javascript - Speeding up website - marking scripts/images as optional? -

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on website have ads network not load particularly fast. browsers won't draw page unless ads load, making website appear slower - there way prevent this? in mark script non-essential or javascript trick draw once it's loaded? tried googling solution, no avail.

also, ads added site iframe, js script (much adsense)

if loading ads optional, wait load them , use ajax load/add them later jquery.


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