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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

• To serve and cache the sta­tic con­tent using sta­tic middleware
• com­press (gzip) all of your server responses using com­press middleware

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. [wpgist id="612ce6984de6e0f4ff95" file="gzip.js"]

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Verify that your site is Gzip enabled or not :

• gzip test

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

• Page speed tool

References :

• Modulus
• Gzip

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Also Read:

1. Scaling a basic nodejs application using clusters
2. Testing promise sequence using mocha, chai, chai-as-promised, sinon
3. A simple requestAnimationFrame example visually explained
4. Parse html response with fetch API
5. Setup nginx with multi domain websites running on nodejs

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