I keep things simple and focus on the headers and SSL side. For ensuring proper headers sent https://securityheaders.com For ensuring SSL/TLS is set high enough https://www.ssllabs.com/ssltest/ Answer from rjhancock on reddit.com
Pentest-Tools.com
pentest-tools.com › home › website scanner
Highly Accurate Website Scanner | Try a Free Vulnerability Scan
May 12, 2026 - The best free website security scanner is the one you can rely on and that is developed and maintained by a trustworthy company with transparent expertise and strong cybersecurity experience. We take pride in offering 2 free scans every day for our proprietary Website Vulnerability Scanner on our cloud platform, as well as for many of our 20+ security testing tools on Pentest-Tools.com.
HostedScan
hostedscan.com › owasp-vulnerability-scan
OWASP Online Scan - HostedScan Security
HostedScan provides two OWASP security scans to meet the needs of every user. Both scans use the OWASP ZAP (Zaproxy) scanner , a leading open source project used by many large players in the security industry.
Any good open source vuln scanners?
I have OpenVAS on my list of things to test out. But more from a platform to write some custom network based checkes for when other solutions don't have coverage More on reddit.com
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February 22, 2024Vulnerability Scanner
Tenable (nessus) is great. I personally use Qualys. If you want a free one, Wazuh can do authenticated hotfix scanning. I used that for a bit when I didn't have a budget.
More on reddit.com 44
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September 7, 2022General Website Security Scanner
I see Sucuri is promoted among the web designer circles... More on reddit.com
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January 12, 2024A Website Vulnerability Scanning Tool : r/software
What is a website security scan?
A website security scan checks your live site and public footprint for common vulnerabilities and misconfigurations: security headers, TLS/HTTPS, cookies, CORS, email (SPF/DKIM/DMARC), and exposure risks. Barrion runs production-safe (passive) scans with no code or server access. You get a detailed report with step-by-step fixes in under 60 seconds.
barrion.io
barrion.io › home › tools › free website security scan
Free Website Security Scanner: 35+ Checks in 60s | Barrion
What types of vulnerabilities can this scan detect?
Our scan detects configuration issues, security header problems, TLS/SSL misconfigurations, cookie security issues, CORS problems, and basic application vulnerabilities. It covers the most common web security issues that affect the majority of websites.
barrion.io
barrion.io › home › tools › free website security scan
Free Website Security Scanner: 35+ Checks in 60s | Barrion
Why use a website checker?
Regularly monitoring your site for malware and indicators of compromise can help you keep tabs on your website's security and focus your perspective to identify security related issues. Quick response to threats help maintain SEO rankings, organic traffic, brand reputation, and protect website visitors from harm.
sitecheck.sucuri.net
sitecheck.sucuri.net
Website Security Checker | Malware Scan | Sucuri SiteCheck
Videos
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How to Scan ANY Website for Vulnerabilities!
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Reddit
reddit.com › r/webdev › free website security/vulnerability scan app or websites?
r/webdev on Reddit: Free Website Security/Vulnerability Scan App or Websites?
June 19, 2024 -
What free apps or websites can you recommend for doing website security/vulnerability scanning? If not free, very inexpensive?
Top answer 1 of 7
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I keep things simple and focus on the headers and SSL side. For ensuring proper headers sent https://securityheaders.com For ensuring SSL/TLS is set high enough https://www.ssllabs.com/ssltest/
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https://owasp.org/www-community/Vulnerability_Scanning_Tools They list a plethora of tools. They also provide a download for their own owasp scanner, which is Java based. It has different attack vectors you can choose from.
UpGuard
upguard.com › webscan
Free Website Security Scan | UpGuard
2 weeks ago - Enter a URL below for a free security assessment of that website. Thanks! Redirecting you to your free scan. Something went wrong while submitting the form, please try again. ... UpGuard scans billions of digital assets daily across thousands of vectors. Data leak detection, vulnerability scanning and identity breach detection are just some of the advanced capabilities offered by the UpGuard platform.
Cyberchief
scan.cyberchief.ai
Cyber Chief Web Application Vulnerability Scanning Tool
Cyber Chief Express Scanner
Free website vulnerability scanner to fix glaring security vulnerabilities in security configurations in minutes A free web application vulnerability scanning tool that provides quick security assessments, instant feedback, and detailed fixes, including code snippets. An excellent tool for quick vulnerability assessments. The instant feedback and severity-based fixes make security patching much easier.
ImmuniWeb
immuniweb.com › websec
Website Security Test | ImmuniWeb
2 weeks ago - Test your website and web server for security, privacy, encryption, protection from data scraping, and compliance with GDPR and PCI DSS · Free online tool with PDF report · Web Security Vulnerabilities Scan · AI Bot Protection Test · HTTP Security & Privacy Headers Test ·
HostedScan
hostedscan.com › openvas-vulnerability-scan
OpenVAS Online Scan - HostedScan Security
HostedScan makes it easy to run OpenVAS and other industry-standard vulnerability scanners through an online dashboard. More than just the scanners, our platform also includes all the reporting and management features required to set up a compliant ...
OWASP Foundation
owasp.org › www-community › Vulnerability_Scanning_Tools
Vulnerability Scanning Tools | OWASP Foundation
Free for Open Source Application Security Tools - OWASP page that lists the Commercial Dynamic Application Security Testing (DAST) tools we know of that are free for Open Source · http://sectooladdict.blogspot.com/ - Web Application Vulnerability Scanner Evaluation Project (WAVSEP)
Barrion
barrion.io › home › tools › free website security scan
Free Website Security Scanner: 35+ Checks in 60s | Barrion
March 1, 2025 - Scan your website for vulnerabilities in 60 seconds. TLS, security headers, cookies, CORS, email security. No signup. Free online scanner with actionable fixes.
Sucuri
sitecheck.sucuri.net
Website Security Checker | Malware Scan | Sucuri SiteCheck
SiteCheck is a website security scanner that checks any site, link, or URL for malware, viruses, blacklist status, seo spam, or malicious code. Check your website safety for free with Sucuri Security.
RedSentinel
redsentinel.fr › home › scanner
Free Website Security Scanner | Check Vulnerabilities Online | RedSentinel | RedSentinel
Free online website security scanner: Analyze security headers, SSL certificate, DNS configuration, HSTS, CSP in 30 seconds. Get instant vulnerability report. 100% free, no registration required. Used by 500+ companies in France.
Intruder
intruder.io › use-cases › dast
Web Application Vulnerability Scanner | Try for free
Find vulnerabilities and protect your web apps. Easy to use and simple to understand. Trusted by thousands of companies worldwide. Get started for free today.
Snyk
snyk.io › website-scanner
Website Scanner | Website Security Check for Free | Snyk
Snyk provides free, curated interactive lessons to help developers navigate and expand their own security education. ... Find and automatically fix vulnerabilities in your code and open source dependencies with Snyk. Web vulnerability scanners scan application/website code to find vulnerabilities that compromise the application/website itself or its back-end services.
Hackertarget
hackertarget.com › home
28 Online Vulnerability Scanners & Network Tools
April 19, 2026 - Online Vulnerability Scanners to Identify Vulnerabilities and Map the Attack Surface. 28 Trusted Security Scanners and Free Network Tools.
BlackSight
scanner.blacksight.io
Website Vulnerability Scanner Online | Start For Free
Free website vulnerability scanner with 17 scan types. Protect your business online.
Roboshadow
roboshadow.com › free-vulnerability-scanner
Free Vulnerability Scanner l RoboShadow
“RoboShadow is a world class Free Vulnerability Scanner. In 60 Seconds, you can start Vulnerability Scanning your Internal / External Attack Surfaces and Automate Fixing the Vulnerabilities it finds ” ... It’s a tool that checks systems ...
Intruder
intruder.io › use-cases › website-security
Website Vulnerability Scanner | Get started for free
You don’t need to be a security expert. Fix weaknesses in your website with Intruder’s automated website vulnerability scanner. Try it for free.
ZeroThreat
zerothreat.ai › blog › top-10-free-vulnerability-scanners
Top 10 Free Vulnerability Scanners in 2026
December 19, 2025 - Its wide community support and regular updates ensure it remains a reliable solution for vulnerability detection. ... NMap (Network Mapper) is a powerful online vulnerability scanner used for network discovery, security auditing, and vulnerability ...
DarkScout
getdarkscout.com › home › services › scan website
Free Online Website Scanner | Website Security Scanner | DarkScout
April 4, 2026 - Darkscout’s free website vulnerability scanner works instantly online. 1. Enter your domain into the website URL checker. 2. The tool performs an automated website security scan. 3. You receive a detailed security score and recommendations.
PortSwigger
portswigger.net › burp › vulnerability-scanner
Burp Scanner - Web Vulnerability Scanner from PortSwigger
Burp Scanner is the industry's gold standard dynamic web vulnerability scanner. Start vulnerability scanning today with a free trial of Burp Suite.