What is the TOO_MANY_REDIRECTS error and how it works

Many websites encounter"ERR_TOO_MANY_REDIRECTS"errors that prevent the page from opening. This common problem affects user experience and interferes with search engine inclusion. This article will explain the cause and solution of this error in an easy-to-understand way.

I. What are TOO_MANY_REDIRECTS?

TOO_MANY_REDIRECTS (too many redirects) means:

The browser, when trying to access the page, wasserver (computer)Multiple redirects eventually exceed the maximum number of redirects allowed by the browser (usually 20), and the connection is broken, displaying an error message.

Commonly reported error content:

• Chrome. ERR_TOO_MANY_REDIRECTS

• Firefox. The page isn't redirecting properly

II. How TOO_MANY_REDIRECTS works

1. Basic concepts of redirection

HTTP redirects are made by the server returning the 3xx Status Codes Realized, commonly:

• 301 Moved Permanently
  Browsers or search engines will replace the old URL with a new one, commonly used for website restructuring or domain name replacement.
• 302 Found (temporary redirect)
  User requests are temporarily directed to otherURL, but search engines retain the original URL.

When the browser receives the redirection response, it automatically initiates a new request to the server into the redirection chain.

2. How redirection loops are created

The root cause of the TOO_MANY_REDIRECTS error occurs:

The browser is caught in a redirection loop during the visit and cannot reach the final page.

Example:

• user access http://example.com
• The server redirects it to **https://example.com** (for HTTPS enabled)
• However, due to a misconfiguration, the HTTPS page redirects back to the http://example.com

This loop continues indefinitely until the browser decides that there are too many redirects and terminates.

3. Limitations on the number of browser redirects

The maximum number of redirects generally allowed by major browsers is:

• Chrome. 20 times
• Firefox. 20 times
• Safari. 20 times

Exceeding this number triggers a TOO_MANY_REDIRECTS error.

III. Common causes of TOO_MANY_REDIRECTS configurations

• SSL setting error
  for example, inCloudflareEnabling "Flexible SSL" but configuring the server side to force HTTPS causes Cloudflare to access the server using HTTP, and the server then redirects to HTTPS, creating a loop.

• Conflicting URL normalization configurations
  Also set up redirects with and without www, but the rules conflict and bounce off each other.
• .htaccess redirection rule error
  WordPressOr a custom Rewrite rule misconfiguration that results in infinite jumps.
• CMSor conflicting plug-in URL settings
  For example, the WordPress address does not match the site address URL settings, or the caching plugin caches the wrong redirection status.
• Reverse proxy server configuration issues
  Nginxor CDN settings do not match the source HTTPS protocol handling.

IV. Why is it important to understand the TOO_MANY_REDIRECTS principle?

• can help you quickly pinpoint whether it's Configuration issues, plugin conflicts or server SSL settings lead to
• Avoid incorrect modifications that would make the site completely inaccessible
• Helps with SEO maintenance, ensuring smooth search engine crawling and avoiding inclusion issues

reach a verdict

TOO_MANY_REDIRECTS errors are essentially redirectslogical conflict caused by the infinite loop. After understanding its principle, systematic troubleshooting from four dimensions of SSL configuration, URL redirection rules, server environment and CMS settings will quickly solve the problem and guarantee the stable operation of the website and user access experience.

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