Free SEO Tools

HTTP Header & Status Code Checker

HTTP Header tool checks the website response headers in real time. Redirect checker to quickly check status codes, response headers, and redirect chains.

Checking HTTP header response for SEO

HTTP headers provide important information about a web page, including its status, content type, and caching instructions. Checking the HTTP headers of a web page can be useful for SEO reasons, as it can help you identify issues that may be affecting the page's performance in search results.

Here are a few ways to check the HTTP headers of a web page:

  1. Use a browser extension: There are several browser extensions, such as "Web Developer" for Chrome, Firefox or "Live HTTP headers" for Firefox, that allow you to view the headers of a web page directly in your browser.
  2. Use the browser's developer tools: Most modern browsers have built-in developer tools that allow you to view the headers of a web page. For example, in Chrome, you can right-click on a page and select "Inspect" to open the developer tools, and then select the "Network" tab to view the headers.
  3. Use online HTTP Response Checker tools: There are various online tools available to check HTTP headers, such as SEOmator HTTP Checker Tool, or
  4. Use command line tools: curl or wget are command line tools that can be used to retrieve headers of a page.

When checking the headers, look for the following:

  • HTTP status codes, such as 200 OK, 301 Moved Permanently, and 404 Not Found
  • Cache-Control and Expires headers, which determine how long a page should be cached
  • Content-Type header, which indicates the type of content being served
  • X-Robots-Tag, which tells search engines how to handle the page
  • Canonical, rel=prev/next which indicate which version of the page is the preferred version for the search engines.

Fixing any issue found can improve your website SEO by ensuring the correct handling of pages and avoiding duplicate content or crawl errors.

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What is a Redirect Checker for SEO and how to use it?

A redirect checker is a tool that allows you to check the redirects on a specific URL. It will show you the status code of the redirect, the location of the redirect, and the number of redirects that occur. This information can help you identify any issues with your redirects and ensure that they are set up correctly for SEO.

To use a redirect checker, simply enter the URL that you want to check into the tool and click "Check." The tool will then display the redirect information for that URL, including the status code, location, and number of redirects.

It's important to note that redirects can affect SEO if not handled properly. Search engines follow redirects but it takes time and it's important to minimize the number of redirects. Redirect chains or loops can also negatively impact SEO by diluting link equity and confusing search engines.

It's also important to use the correct types of redirects, such as 301 redirects for permanently moved pages and 302 redirects for temporarily moved pages, as well as to redirect to the correct pages. It's essential to use redirect checker tools to ensure that your redirects are working correctly and not affecting your SEO.

HTTP Response Header Definition

An HTTP response header is a piece of information sent by a server in response to a client's request. It contains metadata about the response, such as the type of content being returned, the server's status code, and caching instructions.

HTTP response headers are typically organized into fields, each of which has a name and a value. Some common response headers include:

  • Content-Type: Indicates the type of content being returned, such as text/html, application/json, or image/jpeg.
  • Content-Length: Specifies the size of the content in bytes.
  • Server: Identifies the software and version of the server that generated the response.
  • Date: Indicates the date and time when the response was sent.
  • Last-Modified: Specifies the date and time when the resource was last modified.
  • Cache-Control: Specifies caching instructions for the client, such as whether the response can be cached and for how long.
  • Location: Contains the URL of the resource that the client should be redirected to.
  • Set-Cookie: Contains information about a cookie that should be set on the client's browser.
  • WWW-Authenticate: Indicates that authentication is required to access the resource.

These headers are sent as part of the HTTP response message, which also includes the body of the response (such as the HTML code of a web page).

It is important to check the HTTP headers of a web page as they provide information about the page's performance in search results, as well as indicating issues that may be affecting the page's performance.

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