Redirect Detective FAQ


What are the main types of redirects?

Redirects have two main types:

  1. Redirects specified in the HTTP Headers.
  2. Redirects specified in the HTML source, eg: meta refresh, javascript redirects, frame redirects.

What type of redirects does Redirect Detective currently handle?

It can detect HTTP redirects (301,302 & 307), Meta Refreshes, HTTP Refreshes and Javascript Redirects.


Additionally, it will detect 404 page not found, 403 permission denied and 500 server errors.

Are all Javascript redirects detected?

As there are many ways to obscure and encode Javascript redirects, it is very difficult to detect all possible combinations, however Redirect Detective will detect the most common types of Javascript redirects.

Does Redirect Detective detect redirect loops?

Yes. A redirect loop can occur when a redirect points to another page which in turn points back to where it came from and results in an endless redirect loop.


Redirect Detective will check up to a maximum of 10 redirects before giving up.

What does the little cookie icon that appears next to some URLs mean?

This indicates at what point a cookie is being set. If you hover over the cookie icon it will display the number of cookies that are being set. cookie


In most cases, cookies are set during redirects for tracking or login/account purposes.

What does the status "Missing Header Location" mean?

The Location HTTP header is used to specify what URL to redirect to. If the URL is missing, then the redirect operation is unpredictable as different browsers handle it in different ways. Short answer is that you should always specify a Location URL to avoid any issues.

Can I check IPv6 only domains?

Yes, by using a IPv4 to IPv6 proxy service like the one provided by http://www.sixxs.net. You simply need to append .ipv4.sixxs.org to your IPv6 domain, eg: http://example.com.ipv4.sixxs.org