I have micro niche site which have cpc more than 0.30$ and even 1$ and 2$ for some keyword. Currently, i ranking on such 0.30 and 0.40$ cpc keyword. But, i got less cpc 0.6$.
3 days ago cpc was 0.13$ , 2 days ago 0.08 , yesterday it was 0.07 and it was today only 0.06. why it is decreasing. Any way to increase it?