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When you are a newbie in software development, the most challenging step is choosing what language to learn. There are tons of different languages supporting multiple programming styles and having their own complexities. Every year the list is getting bigger with new languages being added, and some become outdated and overshadowed by more popular web languages.

Whether you are a newcomer in the field or want to brush up on your skills, it’s always useful to know what web programming languages are currently in high demand. Therefore, we prepared a list of top web development languages that are going to dominate in 2021.


What are the Best Languages for Web Application Development in 2021?


JavaScript

JavaScript has been one of the most popular web development languages for a while. For 8 years in a row, JavaScript has been maintaining its stronghold as the most widely used programming language. According to Stackoverflow Developer Survey Results 2020, 67.7% of professional developers program in JavaScript. The question that has probably come to your mind is: what makes JavaScript so widely adopted? And there is a wide range of reasons for this. First of all, JavaScript is a powerful and flexible language that is being continuously implemented by different web browsers. It can be used in back-end and front-end web development on both: client and server-side which allows it to run everywhere from browsers to powerful servers. Secondly, JavaScript has a wide variety of framework libraries that enable developers to create complex applications with low overhead. Furthermore, Javascript package managers because of their intuitive nature let developers share their codes easily and fast between their teams which makes the communication process smoother and faster. Last but not least, after the release of Node.js in 2009, developers got the ability to code in a uni language manner, having their front and back end in one language.
JavaScript

Python

Python has taken second place among the most popular web development languages according to RedMonk’s rankings. RedMonks programming popularity ratings are based on StackOverflow (discussion) and Github (code) data. It’s the first time since 2012 that Java is not one of the top two most popular web app development languages. TIOBE index, as of March 2021, shows that Python almost has taken second place, with a very minor gap between it and Java (0,14%). As the rankings are updated once a month, in the nearest time we can see Java in the third place in the list for the first time in almost 20 years. This can be explained by the machine-learning boom among the number of developers learning Python, as to its simplicity and ability to support multiple programming paradigms. Owning a wide range of software libraries that can be dropped into a code and scaled to large applications, Python gives multiple opportunities for development from web and desktop apps to arranging system operations. The language is frequently recommended for newbies in software development because of its English-like syntax. The learning and code writing process require much less effort compared to other web app languages.

TIOBE even predicts Python becoming number one among top website languages, of course, in the long run.

Python

Java

Almost every year Java is predicted to disappear from the list of best languages for web development but every year it doesn’t happen. 9605 companies reported that they are using Java, and such popular names as Google, Instagram, Netflix, and Amazon are among them. 

For sure Java will continue remaining top for enterprise applications development because of its advanced security features that are a major requirement for every organization. What is more, Java offers an easy, flexible and reusable code that is rendered into an understandable UI for applications. With millions of libraries available, Java is one of the most suitable languages for enterprise app development. One more advantage of Java is a high degree of platform independence gratefully to the Java Virtual Machine feature. Many popular programming languages such as Kotlin, Scala, Groovy use JVM as their runtime. Java is updated every 6 months regardless of disasters and pandemics what undoubtedly strengthens its image of a stable and trusted language. 

Though, having no competitors in matters of stability and trust, “immortal Java” continues taking its stable place among top web application development languages.

Java

C#

C# was developed by Microsoft as a more secure and faster variant of C and C++. Since two decades after its creation have passed, C# is still one of the most favored web application programming languages. According to PYPL (Popularity of Programming Language Index), C# takes fourth place in the list of the languages that tutorials are most frequently searched on Google. The language is used for a wide variety of tasks from developing server apps to mobile games.

It’s an object-oriented and straightforward language that is designed for CLI and includes executable code and runtime settings. Type safety feature prevents a developer from making mistakes at compile and run time and the automatic garbage collection feature automatically removes and erases all the garbage. C# runs on CRL what guarantees its easy integration with components that are written in different languages. The rich class of libraries available speed up the development process and makes a variety of functions easy to be implemented. Because of the availability of a large amount of documentation and constant investments from Microsoft, C# continues to be a popular language to take up and a strong player in the market.

C#

PHP

According to W3techs PHP is used by 79.1% of all websites. Among these 79.1% are such giants as Wikipedia, Facebook, and Tumblr. PHP is an open-source language with a large set of built-in tools and additional modules, therefore it’s widely used for building dynamic and static websites. Being a language with a long history, PHP takes advantage of a big number of users who have produced frameworks, libraries, and automation tools that make the development process faster and easier.

PHP doesn’t have a steep learning curve and is quite easy for newbies to learn. It’s used to develop high-quality web applications in a limited time that are easy to maintain and debug in the future. Though facing good competition from the aforementioned languages, there is still a big demand for developers with PHP knowledge.

PHP
According to our analysis, these are the most in-demand programming languages in 2021. For sure, this list can be extended as there is no universal solution for every programmer. Which one do you consider to be the best programming language for web apps? We’ll appreciate sharing your opinion in the comments below.
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