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In April, we announced support for HTTP/2 Server Push via the HTTP Link header. My coworker John has demonstrated how easy it is to add Server Push to an example PHP application.
CC BY 2.0 image by Nicky Fernandes
We wanted to make it easy to improve the performance of contemporary websites built with Node.js. we developed the netjet middleware to parse the generated HTML and automatically add the Link headers. When used with an example Express application you can see the headers being added:

We use Ghost to power this blog, so if your browser supports HTTP/2 you have already benefited from Server Push without realizing it! More on that below.
In netjet, we use the PostHTML project to parse the HTML with a custom plugin. Right now it is looking for images, scripts and external stylesheets. You can implement this same technique in other environments too.
Putting an HTML parser in the response stack has a downside: it will increase the page load latency (or "time to first byte"). In most cases, the added latency will be overshadowed by other parts of your application, such as database access. However, netjet includes an adjustable LRU cache keyed Continue reading
OFFSITE, an innovative cloud computing and data center hosting company today announced the deployment of Noction IRP in its network infrastructure. “As
The post OFFSITE Cloud Computing And Data Center Operator Announces WAN Optimization with Noction IRP appeared first on Noction.