Adds async attr to iframes, with a fallback #29
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The
async
attribute is now supported well enough with adefer
fallback that it’s safe to use. This is the perfect use case, as it’s for modules thatMore info on that in this post on the
async
attribute. Essentially, this pull request (quickly, a little hack-ily) adds theasync
anddefer
attributes to everyiframe
, speeding up a page’s perceived performance in the browsers that support them.Let me know if you have any questions about it. :)