Answer:
B. off-site Web analytics.
Step-by-step explanation:
On-site web analytics tools measure the actual visitor traffic arriving on your website.
Off-site web analytics tools measure your potential website audience.
Search engine optimization (SEO) is the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine.
Pay-per-click analytics is analysis of an internet advertising model used to drive traffic to websites, in which an advertiser pays a publisher