A curated stack of browser-based tools designed to analyze, monitor, and secure websites without installing software. This stack covers essential security and diagnostic workflows such as SSL verification, HTTP header analysis, malware detection, blacklist checks, server status monitoring, IP and browser inspection, email security checks, and SMTP testing. All tools run directly in the browser, providing fast results, privacy-first processing, and zero setup. This stack is ideal for developers, SEO professionals, website owners, and agencies who need quick visibility into website security, reliability, and configuration issues without relying on heavy server-side tools.