Ever visit a website and wonder what they use to build it? Like a competitor’s website, do you want to research what technologies they built it with? Good news – countless websites and tools are available to help you get this information. Some, like BuiltWith, simply prompt you to enter a URL and will supply you with a detailed “Technology Profile” of everything from Analytics, Frameworks, Widgets, and more. Other specialized apps can tell you exactly what font is used on each element on the website or what technology stack is used to build the website.

Regardless of your motivation, looking into a website’s technology can supply you with much information for building your website. Below is a list of websites, tools, and browser plugins we use regularly to learn more about websites.

Useful Websites and Tools

BuiltWith – BuiltWith.com is a tool that provides detailed insights into the technologies used by websites. Users can discover information about a site’s content management system (CMS), e-commerce platform, analytics tools, and more by entering a URL. BuiltWith is widely used for market research, competitive analysis, and lead generation, making it an essential resource for tech-driven business strategies.

W3Techs.com – Much like BuiltWith, W3Techs.com provides detailed information about websites’ technologies, offering data on content management systems, server software, analytics tools, and more.

Genelify – Genelify’s Technology Lookup tool analyzes websites to identify technologies used, including CMS, programming languages, frameworks, marketing platforms, and more.

Chrome Extensions

Wappalyzer – Detailed technology breakdowns with a very clean and easy-to-read interface built into the browser.

WhatRuns – Very similar to Wappalyzer. Provides detailed breakdowns of each website built right into your browser extensions.

WhatFont – This extension will show you precisely what font that element uses by clicking any text element on a website.

Firefox Addons

Wappalyzer – Detailed technology breakdowns with a very clean and easy-to-read interface built into the browser.

WhatRuns – Very similar to Wappalyzer. Provides detailed breakdowns of each website built right into your browser extensions.

WhatFont – This extension will show you precisely what font that element uses by clicking any text element on a website.

Whether researching your competition, doing design research and needing the name of a font, or just curious about what technology stack a Fortune 500 website uses, countless tools provide you with all the information you seek. I hope these tools help you find what you are looking for. If you find any other useful tools, please let us know!

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About the Author

David May

Dave is one of our Front End Web Developers. When he's not keeping up with web development trends and furthering his knowledge of all things code, he's probably playing a video game, reading a book or sitting on the beach.

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