optimise financial SEM campaigns

[hehehaha1994]

I have a Chinese site and launched 2 SEM campaigns, started for 3 months. The CPA is far higher than standard. How do you do to lower your CPA of SEM campaigns?

[hehehaha1994]

And I found the bounce rate is quite high, is the UIUX issues? my site :<snip>

[edited by: engine at 11:10 am (utc) on Jul 23, 2020]
[edit reason] please see WebmasterWorld TOS [/edit]