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

QlikSense
Whatagraph
Foxmetrics
Pyramid Analytics
Datanyze
Jaspersoft
Looker
Owler is a crowdsourced data model allowing users to follow, track, and research companies.
Which is more popular?
Based on our record, Security Headers seems to be a lot more popular than Owler. While we know about 69 links to Security Headers, we've tracked only 1 mention of Owler.
Website, pricing, platforms and company facts side by side.
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| Website | securityheaders.com | corp.owler.com |
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What each product offers, as listed by its team.


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


No analysis of Security Headers yet.
Overall verdict
Why this product is good
Recommended for
Owler is particularly recommended for business analysts, sales and marketing professionals, and entrepreneurs who need reliable and up-to-date information on competitors and market trends. It's also beneficial for investors and job seekers looking to research companies.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Security Headers and Owler. 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 Owler yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


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 / 3 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 / 4 months ago
Owler is a good example of the type of app I need: https://corp.owler.com/. Source: almost 5 years ago
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