Last updated 1 year ago by Addy Osmanireact
The Pinterest PWA started because they were focused on international growth, which led them to the mobile web.
After analyzing usage for unauthenticated mobile web users, they realized that their old, slow web experience only managed to convert 1% of users into sign-ups, logins or native app installs. The opportunity to improve this conversation rate was huge, leading them to an investment in the PWA.
Building and shipping a PWA in a quarter
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%:
Their mobile web rewrite also led to several improvements in performance.
Loading fast on average mobile hardware over 3G
Users often had to wait 23 seconds before any UI was usable at all:
Their new mobile web experience is a drastic improvement.
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