1.You can find out
whether your hub is indexed by google : Just enter title of your hub
in the search box and click search.If your hub is indexed
by google it will appear in list below.
2.You can find out
whether a topic is saturated ie, whether there are lot of hubs about
a topic: Enter the topic in search box and click search.
Thats all.
3.You can know about
list of hubs about a chosen topic. You can visit this tool which
I developed to help you search for hubs in hubpages more efficiently.
Here
is it : Search hubpages