HTTPS is a must for every website nowadays: Users are looking for the padlock when providing their details; Chrome and Firefox explicitly mark websites that provide forms on pages without HTTPS as being non-secure; it is an SEO ranking factor; and it has a serious impact on privacy in general.
Additionally, there is now more than one option to get an HTTPS certificate for free, so switching to HTTPS is only a matter of will.
Chances are pretty good that you’ve worked with, or at least understand the concept of, server compression. By compressing website assets on the server prior to transferring them to the browser, we’ve been able to achieve substantial performance gains.
For quite some time, the venerable gzip algorithm has been the go-to solution for reducing the size of page assets. A new kid on the block has been gaining support in modern browsers, and its name is Brotli. In this article, you’ll get hands-on with Brotli by writing a Node.js-powered HTTP server that implements this new algorithm, and we’ll compare its performance to gzip.