How to Tell Which Website Builder Platform Was Used to Build a Site

Are you curious about which website builder was used to create a website? This guide will show you how to find what platform a website is using, determine the tech stack used by a website, and point you to the best tools for the job.

How to Tell Which Website Builder Platform Was Used to Build a Site

Are you a developer or web enthusiast wondering about the underlying technology of impressive websites? This comprehensive guide will reveal the secrets behind identifying the website builder and tech stack used in any website. Let's dive in and equip you with the knowledge to uncover these digital mysteries!

Why You Might Want to Know What Website Builder Was Used

Ever stumbled upon a website that just blew your mind? It's sleek, fast, and everything seems right where it needs to be. You're left wondering, "How did they build this?"

Knowing what website builder was used to create such a site isn't just a matter of curiosity. It has practical benefits:

  1. Understanding Design and Functionality: By identifying the builder, you get insights into the design possibilities and functionalities it offers. This knowledge is crucial, especially if you're looking to create or improve your own website.
  2. Identifying Security Risks: Different builders have different security features. Knowing the builder helps in understanding potential vulnerabilities that might affect the site.
  3. Learning from the Best: There's no better way to learn than by analyzing successful websites. Identifying the technology behind them can provide valuable lessons in web design and development.

So, if you've ever wondered what magic lies behind a website's facade, this guide is your first step to becoming a digital detective.

Method #1: Check the Website's Source Code

Delving into the source code is like opening a treasure chest of information. It's a hands-on approach that offers immediate and direct insights.

  • Browser Developer Tools: Right-click on the website and select "Inspect" or use Ctrl/Cmd+Shift+I. This opens the developer tools where you can review the HTML, CSS, and JavaScript.
  • Specific Code Snippets: Look for unique identifiers in the code - a website built with a particular platform will usually leave telltale signs. For instance, WordPress sites often include /wp-content/ in their URLs.
  • Common Builders: Familiarize yourself with patterns specific to popular builders like Squarespace, Wix, or Shopify. They often leave distinct footprints in the code.

Method #2: Use Online Tools to Identify the Website Builder

Why not let technology do the heavy lifting? There are a number of free online tools designed to detect the technology stack of any website. Check them out for quick and accurate identification of any site's website builder.

Wappalyzer: The Best Browser Extension for Identifying Tech Stacks

The Wappalyzer Chrome extension
Wappalyzer offers a browser extension that uncovers the technology used on websites, including content management systems, eCommerce platforms, and more.

Wappalyzer stands out as a must-have tool for any web enthusiast or developer. As a browser extension, it allows you to uncover the technologies used on any website with just a click.

Once installed, Wappalyzer identifies a wide range of technologies, from content management systems and eCommerce platforms to server software and analytics tools. Wappalyzer can help in competitive analysis, allowing developers to see what tools and technologies industry leaders are using.

It's particularly useful for quickly getting a snapshot of a site's tech stack, and makes it easier to understand how certain functionalities are implemented.

BuiltWith: The Best Tool for Comprehensive Architecture Data

BuiltWith provides a detailed breakdown of the technologies used on a site.

BuiltWith goes a step further in tech reconnaissance. When you visit a website, this tool provides an exhaustive breakdown of all the technologies it detects - from server information and hosting providers to JavaScript libraries and marketing tools.

This depth of information is invaluable for developers seeking a comprehensive understanding of a site's architecture. It's especially useful for market research and competitive analysis, giving insights into trends in web technology usage over time.

BuiltWith also offers historical data, allowing users to see how a website's technology stack has evolved, which can be enlightening for understanding technology adoption and abandonment trends.

WhatRuns: The Best Tool for Identifying New Tools & Builders

WhatRuns is another handy extension that identifies web technologies and frameworks.

WhatRuns is another vital tool in the developer's toolkit. This browser extension is known for its simplicity and efficiency in identifying web technologies and frameworks.

It's particularly adept at spotting newer and less common technologies, making it a go-to for keeping up with the evolving web landscape.

WhatRuns also offers a unique feature where users can subscribe to websites and receive notifications when there are changes in their technology stack. This is a boon for developers and marketers alike, as it provides real-time insights into what technologies are being adopted or discarded by their competitors or websites they admire.

SimilarTech: The Best Tool for Correlating Tech Stack with User Behaviour

SimilarTech offers insights not only into the technology, but also user demographics and related websites.

SimilarTech is not just about identifying the technology used on websites. This tool offers detailed insights into the technology stack and couples it with user demographic information and related website analytics.

It's particularly beneficial for understanding the audience of a specific technology or website, aiding in targeted marketing and strategic planning. For developers, SimilarTech can reveal correlations between certain technologies and user demographics, helping them make more informed decisions about which technologies to use based on their target audience.

Additionally, by providing data on related websites, SimilarTech helps in broadening market research and understanding industry trends.

Method #3: Contact the Website Owner or Developer

Sometimes the most straightforward approach is to ask. This section covers how to reach out to the website's owner or developer for information. Not only does this method often yield direct answers, but it also opens doors for networking, professional advice, and building relationships in the tech community. Learn the art of crafting the right message to get the information you need.

  • Direct Approach: Just ask. Shoot an email or a message inquiring about the tools they used. Look for a contact page on the site you're curious about or perform a domain WHOIS lookup.
  • Request Advice and Recommendations: Engage them by asking for tips or suggestions based on their experience.
  • Networking: This can be an opportunity to build a professional relationship or even a partnership.

With these tools and techniques, you're well-equipped to uncover the technology behind any website. Up next, we'll explore what to do once you've identified the website builder.

What to Do Once You've Identified the Website Builder

Identifying the website builder is just the beginning. Now, it's time to dive deeper and make this knowledge work for you.

1. Research the Website Builder's Features and Limitations

Now that you know the builder, start exploring its features. What makes it stand out? Look at the range of design templates, customization options, SEO tools, and any unique features it offers.

Equally important is to understand its limitations. Are there constraints in terms of scalability, customization, or functionality? This research will give you a comprehensive view of what's possible and what's not with this builder, helping you make informed decisions for future projects.

2. Evaluate the Website's Design and Functionality

Take a closer look at the website you're analyzing. How has the builder been utilized? Pay attention to the layout, navigation, responsiveness, and overall user experience.

Are there unique design elements or functionalities that catch your eye? This evaluation can inspire your own design choices and help you understand how to leverage the builder's capabilities effectively.

3. Consider Using the Same Website Builder for Your Own Website

If the builder aligns with your needs and you're impressed with its capabilities, why not consider it for your own projects? This is particularly relevant if you're achieving similar goals - be it an eCommerce site, a portfolio, or a blog.

Using a builder that has been successfully used by others can reduce your learning curve and help you achieve a professional-looking site more efficiently.

4. Learn from the Website's Strengths and Weaknesses

Every website has its strengths and weaknesses. Analyze these critically. How could the site's weaknesses be mitigated? Could its strengths be further enhanced? Apply these learnings to your own web development practices. By understanding and adapting the best practices and avoiding the pitfalls, you can enhance the quality of your own websites.

Remember, every website is a learning opportunity - use it to your advantage!


In the quest to create standout websites, identifying the website builder used by successful sites is more than just satisfying curiosity – it's a strategic move. This knowledge offers valuable insights, helping website owners and developers understand the possibilities and limitations of various builders.

With tools like Wappalyzer, BuiltWith, WhatRuns, and SimilarTech, the process becomes efficient and accurate, taking much of the guesswork out of the equation. More importantly, learning from the design, functionality, and technology choices of successful websites is a practical way to enhance your own web development skills.

Embrace these tools and insights to refine your approach, and watch as your websites become more effective, engaging, and user-friendly.