There are various hidden tools , libraries that are working behind any of the website. A website could have : Tag managers Advertizing Analytics SEO Javascript libraries Javascript frameworks Programming lanaguages CDN Cookies Proxies Reverse Proxies and many more.. Under above mentioned categories , there are various tools out of which some are paid and some are open source as well. Few examples could be : CDN -> Cloudflare. Javascript framework -> React Js etc. The tool used to detect the hidden technologies is : Wzappanalyzer chrome extension. I am preparing a small document to list few examples under each category. Stayed tuned for the upcoming Mindmap on this. Upcoming Mindmap .. Thank you ! ---------------------------------------------------------------------...