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gzip compress and cache api response in express

Browsers are really good at understanding gzipped responses and this creates an opportunity for you to decrease the initial page load time and improve your website’s performance by gzipping all of your API responses. This is achieved by taking advantage of the content-encoding http header.

It’s particularly easy to do so using express. While at it, we will also see how to easily serve cached static content from your express server

Install the express and compression package as a dependency

npm i express --save
npm i compression --save

Refer to the following gist for how to set it up in your app.


Watch the following video to see the quick demo of css compression!

Verify that your site is Gzip enabled or not :

Verify the page speed for your site before and after the gzip enabled:

References :