React.js Development Services

A React.js developer is a Frontend engineer who creates state-of-the-art UI components to improve clients’ app performance. These developers have a profound knowledge of HTML, CSS, and JavaScript with its numerous libraries. They also work closely with QA engineers, web designers, illustrators, business analysts, and project managers to create robust and effective applications.

If you want to hire a React.js development company, keep in mind that all React.js developers should possess the following prior skills:

• They should be profound in HTML and CSS, as well as be able to write semantic HTML tags and CSS selectors;
• They should also be able to implement a CSS reset if needed;
• They should deeply understand the box model and flexbox, as well as be able to reset to border-box if needed;
• They should be able to quickly implement responsive web principles with the proper use of media queries;
• They should work well with React Developer Tools;
• Every skilled React.js engineer should work well with React.js development environment;

React.js, as well as Angular.js and Vue.js, are client-side frameworks. But they have a development server. It's a local server only for engineers, so they could review the code. It's not for production use, so it’s not included in the build output. The main purpose of this server is to allow the app to reload in response to file changes in real-time.

React.js is a UI library for rendering and organizing UI components. React.js services are aimed at helping us add special functionalities that we need to create, for example, collections of functions, functional objects, classes, etc.

A service worker is a React.js script that is run by the browser, which does not have any direct relationship with the DOM. Such scripts provide apps with many additional network-related features, such as push notifications and background sync. They are also vital for building an offline experience.

According to Statista, React.js is the most demanded JS library nowadays, with as much as half of software engineers worldwide stating that they use it to develop web pages and applications. Experts say that demand for React developers will continue to grow in the coming years.

Lots of companies worldwide, as well as those from the list of Fortune 500, choose React services for their applications due to their aesthetically appealing and interactive user experiences. Among them are such giants as Meta (Facebook), which has initially created React, Instagram, Skype, Bloomberg, Uber Eats, Discord, Pinterest, Salesforce, and many others.

Yes, the world-famous telecommunication giant Netflix is also using React due to its smart architecture and reusable components.

React.js has a strong engineering community with lots of custom packages, from where developers all over the world can easily add all the necessary features to their app. To implement Google Maps, you need to install googlemaps/react-wrapper, then add a map component and configure it using additional props. Next, build a marker component and add markers as a child component of the map. Finally, link map and your application state.

This is an easy procedure. First of all, you should import useState and useEffect hooks, then add Input and SearchResults components that you’ve previously created with React.js. After that, add the onChange handler into the Input and put the gained value in the useState hook. Then, run useEffect hook with gained value as dependency and filter your list of results inside this hook. Finally, put the list of filtered results inside the SearchResults component.

React.js is an SEO-friendly library recognized by software engineers worldwide. Here are some special tips which can help you to make your SEO results even better:

• Check your webpage loading time and UI/UX results;
• Tune your webpage metadata;
• Use semantic HTML tags;
• Optimize your sitemap;
• Use server-side rendering (SSR);
• Remove unused elements (CSS, JS, pictures, etc.)

The process of applying API authentication using the React.js library consists of several steps. First, you need to create your login page using previously made React.js components. Then, install an external library like Passport.js for running authentication requests. After that, configure your library according to the required authentication providers (Google, Facebook, etc.), and fetch the access token from this provider. Finally, you should put the received token into the user’s cookie to finish the procedure.