How to achieve SEM?

SEM can be achieved effectively through some of the following ways,

PPC:

Pay Per Click

• It is totally free for the Advertiser to give ads in the internet through PPC either through Google Adwords or Overture.
  
• But the Ad is charged when it is clicked by some one.
• The ppc is listed in the sponsered listing hence in the top of the search results.

CPM:

Click per Impression

• It is the banner Ad (Image) displayed in the sides of the pages.
• It is charged for every thousand times getting displayed on the page.(i.e.)pay per thousand impressions.
• The CPM is attractive since images are used in the Ad.

Target Based Ads:

• It is the Local area Ad can be given with maps for location.
• It is targeted towards the people in particular area by the Advertiser to improve their business.
• It can be based on the Location, Language etc...