18 March, 2023
How to check what language a website is written in

The variety of programming languages helps website development go smoothly and effectively. Each specific website requirement calls for its own language, chosen to fit best, so the finished site meets the results expected. For a website already running, if you want to check what language a website is written in you need to know how to check in detail and accurately. In today's article, MONA Media will walk you through how to check what language a website is built in. Let’s get started.
What languages are websites usually built in?
There are now countless programming languages developers can choose from to build modern, professional websites. These are the most popular and widely used ones.

- C++: One of the earliest web development languages, officially around since 1985 and still going strong. It is trusted for its high performance, its flexibility and how well it fits the needs of different developers.
- Java: A programming language developed by Oracle and officially in use since 1991. It has had positive feedback and is popular because it is easy to pick up and very versatile, letting developers build almost anything with Java.
- Python: This language has become a trend and has won the trust of many developers in recent years, with even more room to grow. Python works well for building websites and apps, and it is one of the simplest, most readable languages, so it is easy to get started with.
- PHP: One of the basic website programming languages, well suited to each user’s web design process. PHP is widely used today and supports the finishing of a website well. open-source platforms wordpress hay joomla,…
- Javascript: Free to use and easy to pick up, JavaScript has become a common language chosen by many developers. It helps developers build quality websites with eye-catching effects, and more.

- ASP.NET: A direct successor to ASP, with good support for writing web applications. Its strong security and flexible customization also make it easier to program and manage a website.
- HTML: HTML is a static web language, which lets you build a website entirely by hand. Using it for web development takes a lot of manual cutting and assembling, which costs quite a bit of time. That is why HTML is usually combined with other languages when developing a website.
- Ruby: For large websites, this is an ideal language not to overlook. It produces quality, responsive sites. It is also fast to develop with, its code is less repetitive, and it executes quickly, so a website can be finished and put into use sooner.
- SQL: One of the popular website languages, used to create, edit or retrieve data from a system tied directly to database management. It handles dynamic websites with rich, standout content well.
>> See more:
Ways to check manually what language a website is written in
Buying how to find out what language a website is written in, we can do it manually with a few simple steps. The main ways to check a website’s code are:
Look at the URL
There are many ways to check what language a website is written in. Looking at the link of the website shows us the platform at the end of the address. From there, working out the language used to build the website is simple, quick and effective.
Look at the interface
Every web platform has its own structure and way of laying out the interface. So to check manually what a website is written in, you can look at the overall interface, the page layout, where the comment block sits, and so on. This is quite easy to do, especially for websites wordpress.
Check the footer
Among the many ways to check what a website is written in, this is considered the simplest and most effective. However, in practice, using the footer to check what language a website is written in is not very accurate, at only around 5%, since few websites keep a default footer.
Specifically, look just below the footer to see what information the site lists and whether it shows any source code credit, which tells you the language the site uses.
>> See more: How to edit the footer in WordPress
How to see what language a website is written in automatically
Besides manual methods, we can also use automatic ways to check a site’s programming language. When manual checks are not accurate enough, an automatic tool will help you check what language a website is written in quickly and the way you want. In detail, you can use the following methods:
What CMS
The What CMS makes it easy to check the programming language used on any specific website, with high accuracy. What CMS can identify the platform of almost any website quickly, with accuracy up to 100%, in a few simple steps:
- Go to the What CMS homepage: whatcms.org.
- Enter the address in the Website field URL and click Detect CMS.
- Read the details in the results table at CMS Detector.
W3Techs
Among the many tools that automatically check which programming language a website uses, W3Techs is a quality choice that people trust. It is simple and easy to use, yet high-performing and impressively accurate, which is why so many people rely on W3Techs. Specifically, the tool can look up information, or website checker on request, quickly, in just a few simple steps.
The main steps are:
- Go to the W3Techs homepage: https://w3techs.com/sites.
- Enter the full address in the Enter url field, then click the Site info.
- After the lookup, details about the website, such as its platform and the language it uses, are displayed clearly and in full for you to review.
Builtwith

Builtwith is a highly rated tool with powerful features that can break down each website into components such as the CMS, server and framework, plus template details, integrated features, programming languages and more. To use Builtwith to check the programming language of a website, follow a few basic steps:
- Go to the Builtwith homepage: http://builtwith.com
- Enter the address of the website you want to check in the Find out what websites are Built With then click click lookup.
- Find the framework section to see the website’s platform, which also shows the programming language in use.
As you can see, checking what a website is written in can be done in many ways, from manual to automatic. Depending on your goal and the tools you have, you can pick the method of viewing a site’s source code that suits you best.
Also, if you want a professional, SEO-ready website or are looking for a reputable company that specializes in website design such as MONA Media.
The over 10 years experience in website design and SEO services, MONA has a team of developers with deep expertise and hands-on experience building websites, web apps and applications for more than 12,000 clients clients in Vietnam and abroad, across many industries. We make sure you get quality, SEO-ready websites with the best possible user experience.
MONA’s team can also program custom features to your requirements, so you end up with the website that fits you best. Please CONTACT US with MONA via Hotline 1900 636 648 for detailed advice and to get your website up and running quickly.
Above are the details of check what language a website is written in using manual methods or automatic checking tools. We hope the information MONA shared here shows you how to view a website’s code accurately and conveniently. Good luck putting it into practice.
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