Tips And Tricks To Make Your Node.js Web App Faster - Solace Infotech Pvt Ltd

Tips And Tricks To Make Your Node.js Web App Faster - Solace Infotech Pvt Ltd

Tips and tricks to make your node.js web app faster. How to optimize the performance of node.js web apps? Best ways to improve app performance.

Whenever we think about developing a web app, Javascript is the only language that comes to the mind. As per the stack report, Javascript is a popular programming language for web app development because it is easy to learn and works well when combined with other languages and can be used to build various apps. But with the latest trends, market competition increases and businesses are looking for the tools, technologies and frameworks that allow them to hold a tight grip on various operating platforms with a single solution. Many organizations find Node.js a perfect solution for server-side development to meet the continuous need for apps that can run seamlessly and carefully on all platforms. But working on a Node.js project is not simple. If you may have experienced the issues regarding speed. Here we discuss some tips that are known to speed up your Node.js web application development tremendously. So, let’s see each of them one by one.

Know the amazing new features of Node.js 16 at- What’s New In Node.js 16?

Tips And Tricks To Make Your Node.js Web App Faster-

1. Limited Use Of Synchronous Functions- Since Node.js is designed with single thread architectures and asynchronous coding is heavily used in Node.js to ensure non-blocking operational flow. With the availability of various synchronous components, it would block the applications and show down the app performance. Asynchronous coding lets you use queues to monitor workflow, allowing you to append extra tasks and add additional callbacks without blocking the main thread. While you are using the Asynchronous methods, in some cases, it is feasible to find your web page making some blocking calls. Don’t worry! This is common when you use third-party modules. So, you need to keep an eye on libraries and try to avoid them dominating synchronous calls.

2. Run In Parallel- To deliver the HTML page for any dashboard, the node.js application needs to retrieve a lot of data for the dashboard. You need to make multiple internal API calls to fetch different data. When delivering the dashboard you may execute following hypothetical calls:

The user profile – getUserProfile(). The site list – getSiteList(). Subscriptions – getSubscriptions(). currnet site – getCurrentSite(). Notifications – getNotifications().

Basically, it needs to retrieve the data from user browsing session to verify they’re logged in and it needs to pull in data about the user and site for the dashboard. So as to retrieve this data, app needed to make some calls to internal API functions. Some of them could take up to 2 seconds to complete. Every request was made by a separate express middleware, means they were running in series. Each request would wait for previous one to complete before starting.

As node.js is well suited to run multiple asynchronous functions in parallel, and various internal API requests didn’t depend on each other, here come the parallelism- fire off all requests at once and then continue once all they’ve completed.

You can do something like this: function runInParallel() { async.parallel([ getUserProfile, getSiteList, getSubscription, getCurrentSite, getNotifications ], function(err, results) { //This callback runs when all functions complete }); }

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