Push has been much anticipated since the finalization of HTTP/2. However, much like using a hammer on screws, Push is not always beneficial for performance.
Looking at real-world examples, Colin Bendell explores Push’s possibilities—and its pitfalls and challenges—as well as new metrics to measure the Push opportunity. Colin also discusses how Push compares to other existing browser optimizations like the preloader, preconnect/dns-pretch resource hints, and service workers. Along the way, Colin reviews techniques and tools to start building apps that utilize Push and results from real-world experimentation.
The future of Push is evolving rapidly, and tools are still emerging. Fortunately, preparing your application to leverage Push can offer broad benefits even to clients that don’t support Push.
Colin Bendell is co-author of High Performance Images and part of the CTO office at Cloudinary. He is passionate about performance, design and data
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