Feb 20
18
Google’s John Mueller said on Twitter that it doesn’t matter what slows down your pages, if your pages are slow, they are slow. So if it is a Google product, like Google Analytics, Google Tag Manager, AdSense, Ad Manager or something else Google offers that is slowing down your page, find a way to implement it where it does not slow down the page.
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Google: There Are No Exceptions For Speed Tests Including Our Own Products