Which SID killer for 2.2 MS1 and why

[cgchris99]

Why do I need a SID killer and which one should I use?

 

I found two Sid contributions but I thought there is a third by Burt which I didn't find.

 

I have allprods.php installed and I am showing up properly in the google without sid. Do I need this for other search engines?

 

Recommendations?

 

Thanks