Wappalyzer : Wappalyzer is a cross-platform utility that uncovers the technologies used on websites. It detects content management systems, ecommerce platforms, we...
WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds. You...
Security Headers : I built securityheaders.io after deploying security headers like CSP and HSTS to my own site. I wanted a quick and easy way to check if other sites we...
Carbon : Create and share beautiful images of your source code.
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csscss : csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations.
A free analysis tool to check if a website is disguising third-party trackers as first-party trackers.