
BuiltWith
Wappalyzer
WhatRuns
Elucify
What CMS
KiteDesk
Similar Tech
Lead Forensics
CrossBrowserTesting
Sauce Labs
BrowserStack
browserling
TestMu AI (Formerly LambdaTest)
Browsershots
Litmus
MultiBrowser
BuiltWithThis service is highly recommended for software development teams, QA engineers, and web developers who need to ensure compatibility and functionality of their web applications across multiple browsers and devices. It is particularly useful for organizations with a focus on maintaining high-quality user experiences across various platforms.
A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.
Based on our record, BuiltWith seems to be a lot more popular than CrossBrowserTesting. While we know about 162 links to BuiltWith, we've tracked only 6 mentions of CrossBrowserTesting. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You โcreated something that addresses real developer needs with clean logic and thoughtful design.โ Vue.js powers over 1.5 million websites in 2025, a testament to its scalability and developer trust, as reported by BuiltWith. Youโs ability to build a framework independently, without corporate backing, underscores his... - Source: dev.to / about 1 year ago
There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / over 1 year ago
BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / over 1 year ago
Also, wow that is an obsene amount of libraries they use: https://builtwith.com/?https%3a%2f%2fspectrum.ieee.org%2fdisney-robot-2668135204. - Source: Hacker News / about 2 years ago
I would say run both sites through https://builtwith.com/ to get what all they used in the building process. Source: over 2 years ago
Yeah I moved on pretty quick from browserstack, but it seems to be the most popular. I've tried crossbrowsertesting.com but at the moment I really like app.lambdatest.com. Source: over 3 years ago
Https://geizhals.de/ - this is a german site but the UI is nice and you can find a lot of stuff. Https://www.gsmarena.com/search.php3? - a phone search site. When I was at https://crossbrowsertesting.com we used this site a lot Https://www.howacarworks.com/ - how a car works Https://www.mcmaster.com/ - the UI here is so nice. Those illustrations Https://ciechanow.ski/mechanical-watch/ - how does a mechanical... - Source: dev.to / about 4 years ago
Fortunately we donโt need to install, nor configure, any other tools, unless maybe some fancy reporters, but for now we can get everything we need in terms of end-to-end automated testing out of Nightwatch. Besides Chrome, Nightwatch has built-in support for all major browsers, including Firefox, Edge, and Safari, all thanks to its integration with the W3C Webdriver API and Selenium. It also allows you to use... - Source: dev.to / over 4 years ago
Crossbrowsertesting.com - Manual, Visual, and Selenium Browser Testing in the cloud - free for Open Source. - Source: dev.to / almost 5 years ago
Professionally, I do basically the same for dev testing. We also have various devices on different platforms/versions in the office when needed, and our QA team primarily uses Cross Browser Testing Tool. If I need to check something specific, I usually use CBT. Source: about 5 years ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
browserling - Live interactive cross-browser testing from your browser.