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Server SignatureChecker

Is Your Server Giving Away Its Version?

Enter a URL and find out whether the site's server signature reveals its software and version number, with a clear verdict and a plain-English explanation of what it means.
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Server Signature Checker illustration showing a security shield with a tick and a Version Hidden badge
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A Simple Checkfor a Safer Site

Many servers announce their software and version number to every visitor. A version number tells attackers which known flaws to try. The Server Signature Checker shows you what your server reveals, so you can ask your host or developer to hide it.

Clear Verdict:

Find out at a glance whether the server version is exposed or hidden.

Software Name:

See the server software the site names, if it names one.

Plain-English Advice:

Understand why hiding the version matters, with no jargon.

Security Hygiene:

Add a quick server check to site launches, audits and client onboarding.

Know What YourServer Reveals

FEATURE 1: ONE-CLICK SERVER CHECK

Check a Site's Server Signature in Seconds

Paste a URL, click Check Server and the tool reads the server signature the site sends back.
  • Single URL Input: Check any public website with one field.
  • Instant Result: The verdict appears on the same screen.
  • Your Sites and Clients' Sites: Check your own site, a client's site or a prospect's.
  • Inside Your Workspace: Runs alongside your site audits and other SEO tools.
Server Signature Checker in Odyssey Advance showing a Server Version Hidden result for bbc.co.uk
Server Signature result reading Server Version Hidden, with an explanation of why hiding the server version is good security practice
FEATURE 2: EXPOSED OR HIDDEN VERDICT

A Verdict You Can Act On

The result tells you whether the server is revealing its version number, and names the software where the server sends it.
  • Version Hidden: Confirmation when the server keeps its version number private.
  • Version Exposed: A clear warning when the version number is visible.
  • Software Named: The server software name, where the site sends one.
  • Product Names Explained: A product name on its own, such as nginx, is fine; the version number is what matters.
FEATURE 3: WHY IT MATTERS

Security Advice in Plain English

Every result comes with a short explanation, so you and your clients understand why a hidden version number is good practice.
  • Why Versions Matter: A version number tells attackers which known flaws to try.
  • What Is Fine: A product name without a version is not a concern.
  • Easy to Share: Clear wording you can pass on to a host or developer.
  • Quick to Recheck: Run the check again after a change to confirm the fix.
Server Signature Checker advice for www.bbc.co.uk reading Server Version Hidden, explaining in plain English why keeping the server version hidden is good security practice

Close an EasySecurity Gap

Check the server signature on every site you launch or manage, and keep version numbers out of sight.
Check Your Server
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Sarah Jenkins Headshot
Sarah Jenkins
Head of Marketing
Our team was constantly switching between different platforms for rank tracking, site audits, and client reporting. Having direct integrations with SERP tracking and reporting in a single dashboard has streamlined our monthly workflow significantly.
David Ross
David Ross
Managing Director
Most traditional SEO platforms are still catching up to how LLMs handle brand citations. Odyssey Advance gives us genuine insight into how our clients are cited across ChatGPT, Perplexity, and Claude. Being able to benchmark AI visibility alongside traditional Google rankings has given us a massive edge when pitching to prospective clients.
Elena Rostova
Elena Rostova
Lead Growth Marketer
When migrating our e-commerce store, we were terrified of losing organic search traffic due to indexation drops or broken redirect chains. Odyssey’s Indexation Checker and technical site auditor flagged several canonical tag mismatches before they could impact our revenue. It’s given our in-house team complete peace of mind.
Rachel Vance
Rachel Vance
Founder
As a business owner, I don't have time to wade through endless, overly complicated analytics platforms. Odyssey Advance condenses everything into clear, actionable steps. We use it to monitor local map pack rankings, find low-competition keywords, and draft our weekly blog updates. It delivers incredible return on investment.

Hide the Version.Reduce the Risk.

Check your server signature today.
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Frequently Asked Questions

A server signature is information a web server sends about itself, often the name of its software and sometimes the exact version number.

It shows whether a website's server reveals its software version, names the software where the server sends it, and explains why hiding the version matters.

A version number tells attackers which known flaws to try. Keeping it hidden is good security practice.

A product name on its own, such as LiteSpeed or nginx, is fi

The setting depends on your server software and hosting. Ask your host or developer to stop the server sending its version number, then run the check again to confirm.

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