HTTP Headers overview

HTTP headers are information passed between a web browser and a website when it's visited. These headers contain can be used to add or confirm if a service is active on your website such as CORS, Security headers, or Cloudflare.

List of HTTP Headers

Headers are grouped into the following four categories:

• General headers
• Request headers
• Response headers
• Entity headers

Within each of these groups are many different types of headers you can set. View the following link for further information.

• https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers

You can use an .htaccess file to adjust or add headers to your HTTP response headers. The following articles list a few different examples of headers you could add to your site.

• Setting headers with an .htaccess file
• Security headers
• CORS headers

Website security headers can be added in an .htaccess file to further secure and validate your website. View the following article for a list of popular security headers and instructions on how to add them to your site.

• Security headers

There are several ways you can view your website's HTTP Headers. View the following article for the different options available.

• Viewing your website headers