Weekly news: PWA Issue on iOS, Performance Culture, Anti-Tracking in Browsers
CSS - Tricks
MAY 17, 2019
Deferring our JavaScript hasn’t skewed any existing analytics and it certainly hasn’t delayed any advertising. [.] Since 2017, Safari prevents cross-site tracking by default, through a feature called Intelligent Tracking Prevention (ITP). This change alone nearly doubled our (un-throttled) Lighthouse performance score.
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