ERR_TOO_MANY_REDIRECTS

In short: The page redirects in an endless loop.

In more detail: The browser gives up after about 20 redirects.

In Depth

Possible causes

• Wrong rules, for example http→https and back.
• Corrupt cookies.
• Faulty login check.

Solutions

1. Delete the site’s cookies.
2. Operators: check redirect rules and HTTPS settings.
3. Look at the chain with curl -IL.

See also: HTTP 302 Found, HTTP 301 Moved Permanently, Cookies