
UptimeRobot
PingPing
Monitor in a Box
Pingdom
WebCheck
Monitor SSL certificates, HTTP endpoints, ports, xPath changes, ping devices, and more

Mozilla Observatory
Hardenize
Qualys SSL Server Test
MxToolBox
HTTP Observatory
UptimeRobot
Sucuri
Quickly and easily assess the security of your HTTP response headers.

Which is more popular?
Based on our record, Security Headers seems to be more popular. It has been mentioned 69 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | appchecks.net | securityheaders.com |
| Pricing | — | |
| Company | Startup from Canada · 1 - 9 employees · 2024 | — |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Security Headers yet.
Walkthroughs and reviews on video.
No AppChecks videos yet. You could help us improve this page by suggesting one.
HTTP Security Headers | Part 01
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing AppChecks and Security Headers.
AppChecks's answer
Simple and straightforward monitoring with "per monitor" pricing. No seats management.
AppChecks's answer
It started as a pet project to monitor SSL certificates' expiration. Eventually, it grew into a separate SaaS with many additional monitoring tools.
AppChecks's answer
Predictable pricing where nothing is hidden, good notifications model, no clutter and setup hell, no "per-seat" billing.
Share your experience with using AppChecks and Security Headers. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of AppChecks yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking AppChecks since May 2026.
Check: Go to securityheaders.com and enter your URL. A grade below B means you're missing important ones. - Source: dev.to / 3 months ago
The curl above is the fastest check; all four lines should come back. In a browser, DevTools, Network tab, click the document request, read Response Headers. For a letter grade, securityheaders.com scores you against a known rubric. One... - Source: dev.to / 4 months ago
Remediation: Configure your web server to suppress or mask the Server header. Add security headers like Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options. You can use tools like... - Source: dev.to / 5 months ago
When comparing AppChecks and Security Headers, you can also consider the following products.


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PingPing monitors your website and SSL certificates every 30 seconds - 10x faster than most tools. Get instant alerts by email, Slack, or webhook the moment your site goes down. Simple setup, no bloat. Be the first to know, not the last to find out.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Instantly usable, open source monitoring
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This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
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