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24 alternatives to Web Security Scanner - Can Your Site Score a 100%?

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,…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Web Security Scanner - Can Your Site Score a 100%? launched in 2013; newer entries below may have overtaken it.

  1. 1

    Yes, it's open source: https://github.com/lissy93/web-check :) Why I'm building this? There are a lot of tools out there for discovering meta and security data relating to a website, IP or server. But currently, there isn't anything that does everything, all in one place and without a paywall/ user sign up. It's still a WIP, and I'm working on a new version, with some more comprehensive checks, so any feedback would be much appreciated :)

    2024 · v1.web-check.xyz · its alternatives →

  2. 2

    A real-time website scanner to see what trackers are lurking

    2020 · usefathom.com · its alternatives →

  3. 3

    Check the SEO, speed & security of 100s of pages in a click!

    2018 · checkbot.io · its alternatives →

  4. 4

    Online automated vulnerability scanner to secure firewalls, servers, web applications, and apis. Try 14 days for free.

    2020 · hostedscan.com · its alternatives →

  5. 5

    An SEO checker that analyses based on Google's algorithm 👀

    2018 · spotibo.com · its alternatives →

  6. 6WS
  7. 7

    Comprehensive safety and performance inspection of your site

    2021 · validbot.com · its alternatives →

  8. 8CF
  9. 9

    This is a simple single-file python program that can find basic XSS (cross-site scripting) vulnerabilities in a target url. Most XSS discovery tools use a payload refelection strategy in which payloads are injected in url parameters and the GET response is inspected for places where the payload content is reflected. This is a very low precision XSS detection strategy because most reflection does not support execution. This program uses a different approach, and instead opens the target url in a browser, tests alert(...) payloads directly in the browser context, and listens for an alert being…

    2024 · github.com · its alternatives →

  10. 10

    Free quick website scanner

    2023 · its alternatives →

  11. 11

    A web tool to scan websites for common vulnerabilities

    2025 · webscan.dheerajjha.com · its alternatives →

  12. 12

    Analyze your website's security with VULNWatch

    2025 · vulnwatch.tech · its alternatives →

  13. 13

    Scan any website for security flaws in one click

    Nov 2025 · chromewebstore.google.com · its alternatives →

  14. 14

    Free website security scanner that grades any site A to F

    May 2026 · its alternatives →

  15. 15

    Webscanner by numera11y

    2025 · its alternatives →

  16. 16
    Protego▲12

    Website security scanner

    2025 · its alternatives →

  17. 17

    Ai1 site security scanner

    2025 · ai1security.net · its alternatives →

  18. 18

    Self-assess your web app security

    2025 · its alternatives →

  19. 19

    Website security scanner

    2025 · its alternatives →

  20. 20

    Free security scan that tells you exactly how to fix it

    Jun 2026 · its alternatives →

  21. 21

    Free, sub-2s web security & DNS scanner.

    May 2026 · webaudit.in · its alternatives →

  22. 22

    AI-powered security scans for modern websites & AI apps.

    Jul 2026 · hackmywebsite.io · its alternatives →

  23. 23

    Last week I wrote about building a scanner that writes its own exploits. A cron job runs Claude Code every night, it reads new CVEs, writes proof-of-concept checks, tests them against vulnerable and patched Docker instances, and opens PRs. I review and merge in the morning. That post was about how t

    Feb 2026 · attackerview.com · its alternatives →

  24. 24

    Beta tool that runs OWASP/Nuclei/ZAP checks fast and prioritizes fixes; would love test runs on your staging domains and blunt feedback.

    2025 · vibescan.co.kr · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →