How do I Optomize a page?

I've created a few Wizzley pages now... and while trolling trough my statistics, I notices that some of the numbers are red, and some are green. The legend says that the red ones recommend optimization. 

Can anyone help me figure out what that means? What am I failing to do?

Thanks

The green numbers indicate a good click-through rate (CTR). A fair amount of page visitors click on your ad.

Red numbers indicate a weak CTR. You could try different products, or improve the presentation of the existing ads (more compelling sales text, bigger product images, etc.).

Ahhh... I see. 
Since many of my pages are fairly new, should I give them time to age a bit before changing anything?

You could do that, or you could start tinkering with the low performers. At least on pages with a bit of daily traffic. For example, if you get 5 visitors a day, and only 1 ad click every few days - you could start improving that.

Thanks... I'll go back and double check my work. 
I appreciate your help!