Website Tools
Website Technology Checker
Detect the CMS, JavaScript framework, analytics tools, and server technology a website uses.
Enter a domain below to detect its CMS, JavaScript framework, analytics tools, and server technology.
JustChecker monitors your website's uptime, SSL, and performance continuously, whatever technology you're running.
Frequently Asked Questions
It looks for well-known signatures in a page's HTML, response headers, and script references - like WordPress's /wp-content/ paths, Shopify's CDN, or Google Analytics tracking code. It is a lightweight scan, not an exhaustive fingerprint database.
No - it checks against a curated list of common CMS platforms, JavaScript frameworks, analytics tools, and CDNs. Some custom-built or less common technologies may not be detected.
This tool automates what you'd otherwise have to look for manually by viewing a page's source code and headers, and organizes the findings into clear categories.