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Dev tools · March 11, 2026

VulnScan

Free website security audit grade in 10 seconds

What it does

Scan your website for vulnerabilities in seconds. Free security grade (A-F), subdomain discovery, and attack surface analysis. No signup needed. Trusted by 2,300+ security team. Enter any domain and get an A-F security grade instantly. Checks subdomains, live hosts, and technology stack. No signup needed. Paid reports include vulnerability details, OWASP mapping, and remediation steps.

Does the same job

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  • ScanwardMar 2026 · ▲1

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  • WebSentryMay 2026 · websentry.dev · ▲1

    Instant A–F security grades for any website with monitoring

  • VulnScanJun 2026 · ▲3

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  • SiteLockMay 2026 · ▲3

    Free website security scanner that grades any site A to F

  • SecureWatchJul 2026 · securewatchonline.com · ▲4

    Website security scanner — 60 seconds, 75+ tests + features

  • WS
    Web Security Scanner - Can Your Site Score a 100%?2013 · ▲7

    http://webscanner.tk/quickscan/ Hi! I made this project over the couse of a week to help teach myself more about Django and web app development. I am studying computer security in school and web security is one of my passions. It is a tool that helps web developers ensure that they have implemented helpful security mechanisms like HTTPOnly flags, X-Frame-Options, etc. There are hundreds of tools that offer to scan websites for things like cross-site scripting, mySQL injection, etc. This tool simply looks for information that is available via one or two GET requests (the headers, protocols,…

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