How Can I Tell What Web Server a Site Is Using?


Angela Bailey

How Can I Tell What Web Server a Site Is Using?

When browsing the internet, have you ever wondered what kind of web server a particular website is using? Maybe you are curious about the technology behind it or simply want to know for research purposes. In this article, we will explore different methods to identify the web server software used by a website.

1. Checking HTTP Response Headers

The HTTP response headers provide valuable information about the web server. To access these headers, you can use your browser’s developer tools.

To get started, follow these steps:

  • Step 1: Open the website in your preferred browser.
  • Step 2: Right-click on an empty area of the page and select “Inspect” or “Inspect Element”.
  • Step 3: In the developer tools panel that appears, navigate to the “Network” tab.
  • Step 4: Refresh the page by pressing F5 or clicking on the refresh button.
  • Step 5: Look for a request with a status code of either 200 (OK) or 304 (Not Modified). Click on it to view its details.

The response headers should be visible under a section called “Headers” or “Response Headers”. Look for a header called “Server” – this will usually indicate the web server software being used.

2. Using Online Tools

If you prefer a more straightforward approach, there are online tools available that can quickly determine the web server software of a particular website. These tools simplify the process and provide results in just a few seconds.

Some popular online tools for identifying web servers include:

Using these tools is as simple as entering the website’s URL and clicking a button to initiate the scan. The results will typically include information about the web server software, along with other details like the hosting provider and server location.

3. Analyzing Server Error Pages

In some cases, when a website encounters an error, it displays a custom error page generated by the web server. These error pages often reveal valuable information about the server software.

To access these error pages:

  • Step 1: Visit the website and intentionally trigger an error. For example, by entering a non-existent URL or accessing a restricted area.
  • Step 2: Observe if the page displayed is different from the standard “404 Not Found” or “403 Forbidden” error pages.
  • Step 3: Look for any visible information that indicates the web server software being used.

Note that not all websites have customized error pages, so this method may not always provide accurate results.


Determining what web server software a site is using can be helpful for various reasons, such as understanding the technology stack, troubleshooting issues, or gathering intelligence. By checking the HTTP response headers, using online tools, or analyzing error pages, you can easily uncover valuable insights about the web server behind a website.

Remember that while these methods can provide useful information in most cases, there may be instances where websites intentionally hide or obfuscate their server software to enhance security. In such cases, it might be challenging to determine the exact web server being used.

Now that you have learned different techniques for identifying web servers, you can satisfy your curiosity and gain a deeper understanding of the technologies powering your favorite websites.

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