● What is SEO
In general SEO (search engine optimization) includes the actions you do to optimize a website, with no-paid method in order to be higher in search results (serps) in specific keywords.
● What is SEM
In general SEM (search engine marketing) includes the actions you do to advertise a website, with paid method to search engines paid resuls (such as google adwords) in order to be in first page of search results (serps) in specific keywords.
● What is SMM
Here is an excel file I created, that calculates the performance of your Google AdWords campaigns or whole account.
Some metrics that you can calculate easily:
Conversion Rate (CR)
Value Per Conversion (VPC)
Value Per Click (VPclick)
Return On Investment (ROI)
Click here to download it!
..and thank me later :P
..or see the AdWords service I provide.