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Wappalyzer [1] is much better in my opinion. And is available for both Chrome [2] and Firefox [3] as well as a Bookmarklet [4]. The extension that @pier25 is

Wappalyzer [1] is much better in my opinion. And is available for both Chrome [2] and Firefox [3] as well as a Bookmarklet [4]. The extension that @pier25 is using seems to be available only on Google Chrome [5]. [1] https://www.wappalyzer.com/ https://www.wappalyzer.com/ [2] https://chrome.google.com/webstore/detail/wappalyzer/gppongmhjkpfnbhagpmjfkannfbllamg https://chrome.google.com/webstore/detail/wappalyzer/gppongm... [3] https://addons.mozilla.org/firefox/addon/wappalyzer/ https://addons.mozilla.org/firefox/addon/wappalyzer/ [4] https://www.wappalyzer.com/download https://www.wappalyzer.com/download [5] https://chrome.google.com/webstore/detail/ui-stack/ijagbooglignnjecmjnmdfapfbgblkdk https://chrome.google.com/webstore/detail/ui-stack/ijagboogl...

fireattack 7y ago
Similar tools include WhatRuns [1] (Chrome only). [1] https://www.whatruns.com/ https://www.whatruns.com/
pier25 7y ago
Thanks, Wappalyzer looks pretty awesome.
twhb 7y ago
Wappalyzer's results for example.com, a 1.3 KB static page with no JS or sub-requests, include eight JS frameworks and two web font providers. Its results for facebook.com include a web framework made by Yahoo and deprecated in 2014. It says Youtube is built on WordPress, and HN is a React app with custom fonts.
- pier25 7y ago
  > HN is a React app with custom fonts I only see that HN runs on NGinx.
  - twhb 7y ago
    I was using the "Technology lookup" box on the homepage, testing with the extension I get only Nginx too. And Youtube seems right and example.com maybe right, though nothing at all for Facebook.