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Not only do frameworks provide an easy solution to common programming problems, they make coding easy for large teams due to their propensity towards standardisation. While each framework comes with its own set of unique problems to solve for, they make life easy for developers by saving resources in the long run.
However, there is an interesting trend in newer front-end frameworks; their claim of being ‘blazing fast’. JS code is notorious for adding loading time to websites, reducing time-to-interaction for users, increasing bounce rate, and causing an overall erosion in user experience. These new frameworks are not only optimised from the ground up for speed, but also come with a host of unique solutions to get past the anachronisms of using JS to make feature-filled, easy-to-use, and maintenance-free websites.
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In this article, we’ll take a look at some novel solutions implemented in modern front-end JS frameworks to improve loading times, user experience, and make web development easier for all.
Qwik offers lazy-loading solution
Qwik is a framework built on top of JSX by the creator of ‘Angular’, Misko Hevery. It solves the problem of slow loading times by being a fully lazy-loadable system. Lazy loading is an approach to loading elements that delays the initialisation of resources until they are actually required to be displayed. This saves a lot of resources on the client and server side and vastly improves the loading time.
Moreover, Qwik also has a built-in optimizer that takes an application and breaks it up into a lot of small, lazy-loading chunks. It also incorporates a library called ‘Partytown’, which delegates third-party scripts to a worker thread instead of running it through the main thread.
Remix leverages server side rendering
Remix is a React framework that was recently made open source, and is a full stack web framework that has a focus on user interface. It also specialises in efficient server side rendering. One of the most important features that sets Remix apart from its competitors is the capability of nested pages. Using this feature, Remix loads all data in parallel on the server side and sends a fully formed HTML document to the client side, resulting in an extremely fast load time.
The framework also pre-fetches everything in parallel before the user even clicks on a link, resulting in a lower time to interaction. Owing to the way that Remix serves the website, it doesn’t need to be refreshed in case of an error. The framework has built-in error handling on both the server and client sides.
Astro optimises loading by using Islands
Astro is a frontend architecture that offers support for various tools like React, Vue, and Svelte. It also has a budding developer ecosystem with a variety of integrations and themes that can be added to a project.
Astro’s most unique feature is called ‘Astro Islands’. Astro Islands are interactive UI components contained on a static page. Each island renders by itself, and each one can be composed of a different UI framework supported by Astro.
Next.js mixes static pages with SSR
Next.js is a React framework that claims to bring the power of full-stack development to the frontend. Next.js has a feature known as ‘automatic static optimisation’, which blurs the lines between static and dynamic components in a webpage.
This means that developers using Next.js can build hybrid applications that contain both static pages and server-side rendered pages, as static pages are still reactive due to hydration on the client side. The framework also comes with a lot of useful features such as instant route changes, dynamic API routing, universal adaptability, and freedom to customise the frontend however you want.
Deno.js uses Rust to optimise for speed
When will developers get a truly blazing-fast framework?
As we can see from the new crop of front-end JS frameworks, each of them has a novel approach to solving for loading speed. Depending on the use-case of the product, developers can use any of the new-age frameworks to solve a specific problem.
A common saying in the software engineering field is that not every problem is solvable. Instead, engineers must look at new ways to transform the problem to make it solvable. This approach can be applied to the problem of solving for a one-size-fits-all, blazing-fast JS framework. Developers can instead pick and choose from any one of these equally capable options and approach the problem with a new set of tools.