Homepage of Ninja IRC Client does not exist -> http://ninja.qoop.org/.
http://qoop.org/ (probably written in 2011): "I've decided to go with a minimalistic site for now. Enjoy."
But I cannot find anything about ninja there :/ Maybe https://wiki.gentoo.org/wiki/No_homepage is a better option then
[master 358db1cea7c] net-irc/ninja: This package has no homepage anymore 1 file changed, 2 insertions(+), 2 deletions(-)