Website Tech Scan
Analyze any website to discover its underlying programming languages, frameworks, web servers, and CMS.
Latest Successfully Scanned Sites
How Does Technology Scanning Work?
Websites leave behind small digital signatures and fingerprint trails in their HTTP response headers, cookies, and HTML structures. This tool analyzes those footprints to accurately identify the programming languages, web servers, Content Management Systems (CMS), and CSS/JS frameworks.
HTTP Headers
Headers like Server and X-Powered-By explicitly advertise the server engine and backend environments used by the site.
Set-Cookie Fingerprints
System-defined cookie names (such as PHPSESSID or JSESSIONID) are reliable identifiers for languages like PHP and Java.
HTML Signatures
Scanning the markup structure reveals CMS generator tags (like WordPress), JS framework mounts (React, Vue), and Tailwind classes.