A Pinterest Progressive Web App Performance Case Study
Pinterest’s new mobile web experience is a Progressive Web App. In this post we’ll cover some of their work to load fast on mobile hardware by keeping JavaScript bundles lean and adopting Service Workers for network resilience.
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Over 3 months, Pinterest rebuilt their mobile web experience using React, Redux and webpack. Their mobile web rewrite led to several positive improvements in core business metrics.
Time spent is up by 40% compared to the old mobile web experience, user-generated ad revenue is up 44% and core engagements are up 60%:
An excerpt from A Pinterest Progressive Web App Performance Case Study