Hardenize
Mozilla Observatory
Security Headers
HTTP Observatory
Cloud Cultivator
CryptCheck
ImmuniWeb
This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.

UptimeRobot
Canine
AppSitter
OnlineOrNot
Detectify
Snyk
Intruder
Free security and uptime monitoring for your web applications. Monitor SSL certificates, security headers, DNS records, port scans, and more - all from one powerful dashboard.

Which is more popular?
SecurityBot.dev might be a bit more popular than Qualys SSL Server Test. We know about 7 links to it since March 2021 and only 5 links to Qualys SSL Server Test.
Website, pricing, platforms and company facts side by side.
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QSS
Qualys SSL Server Test
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| Website | ssllabs.com | securitybot.dev |
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What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Qualys SSL Server Test yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Qualys SSL Server Test and SecurityBot.dev.
SecurityBot.dev's answer:
SecurityBot.dev is built using the Laravel Framework, and is backed by a managed MySQL database. The application and infrastructure is deployed through Laravel Forge and is hosted on Digital Ocean.
SecurityBot.dev's answer:
SecurityBot is used by a mix of established tech companies and indie entrepreneurs.
SecurityBot.dev's answer:
SecurityBot.dev founder Jason Gilmore is a prolific creator of online products, including 6DollarCRM, SpiesInDC, TurboShrink, and has long maintained a personal website at WJGilmore.com. He originally built SecurityBot.dev to monitor his own products, and it worked so well that he subsequently released it for wider use.
Share your experience with using Qualys SSL Server Test and SecurityBot.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Check it at https://ssllabs.com/ssltest and it will tell you what’s wrong with the chain. Source: over 3 years ago
Didn’t know that one. I generally use ssl server test at https://ssllabs.com/ssltest. Source: over 3 years ago
As far as the SSL error, your browser does not consider the certificate to be valid. It looks like you’re trying to use Let’s Encrypt (based on your .well-known/acme-challenge location. You’ll also need to provide the intermediary... Source: almost 4 years ago
I continue working on SecurityBot.dev, having lately made significant improvements to the broken link monitor. https://securitybot.dev. - Source: Hacker News / 3 months ago
Another M&A tool. Useful for software company sellers who are required to disclose details related to software IP ownership such as what third-party dependencies are used in their software. https://securitybot.dev. - Source: Hacker News / 4 months ago
This week I launched IterOps https://iterops.com, a heat mapping, rage click, dead click, scroll mapping, and simple A/B testing tool. I originally built it to have a better idea of what people are doing on my other micro-saas projects... - Source: Hacker News / 8 months ago
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Free Website Uptime Monitoring
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The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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Host with the power of Kubernetes, simplicity of Heroku
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Quickly and easily assess the security of your HTTP response headers.
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AppSitter connects to your GitHub repo and checks what nobody can see from outside: row-level security across every migration, keys shipped in the bundle, dependency advisories, email DNS. Every finding comes back as a prompt for your builder.
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