Search Engine Marketing (SEM), can be a great way to boost traffic to your website and potentially improve your conversion rate for visitors, too. Here are some Good Sem strategy.

Make Your Paid Keywords as Specific as Possible.
Target Your Ads Carefully.
Perform an AB Split Test on Your Ad Text.
Your Ads Should Match Your Website Landing Pages.
Keep it Simple, But Stay on Brand.
Use the Power of Negative Keywords.
Track the Results of Your Ads.
Hire an Expert.