Dan Shappir is the Performance Tech Lead at Next Insurance. Previously Dan was the Performance Tech Lead at Wix.com. Dan has over 25 years of software development experience, and has worked on systems ranging from multiuser games to missile trajectory simulations to designing and building large-scale Web applications used by hundreds of millions of users. He is a frequent speaker at technical conferences, a host and panelist on JavaScript Jabber podcast, and an Invited Expert on the W3C Web Performance Working Group. Dan holds an MSc in Computer Science.
Google collects performance information from millions of opted-in Chrome browsers around the world and uses this information as a performance ranking factor for its search engine. But it also makes this information freely available so that anyone can use it to check the real-world performance of individual websites. Even more significantly, it’s possible to segment this data according to the technologies used in the websites. In this article, Dan Shappir leverages this information to analyze and compare the performance of leading JavaScript frameworks. Along the way, he uncovers unexpected behaviors and solves a web performance mystery.
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Implementing a performance culture at Wix can enable you to apply performance enhancements to almost every part of your technological stack — from infrastructure to software architecture and media formats. In this article, Dan Shappir shares which actions and processes the Wix team put in place in order to achieve dramatic improvements in the performance of websites built and hosted on their platform.
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