Opera

Opera supports the meta refresh element, when used like this:

<meta http-equiv="refresh" content="10;URL=http://www.opera.com/support/tests/thatpage.html">

This particular example will cause Opera to load the page http://www.opera.com/support/tests/ after ten seconds.

However, Opera will ignore meta refresh elements if automatic redirection is turned off in Tools > Preferences > Advanced > Network.