There are various of terms when it comes to calculation of web traffics. Some statistics give you report in terms of daily and monthly unique visitors; some provides more – Pageviews, Hits, etc. You could have heard webmasters claiming their sites to have more than 1 million hits a month. But how big is 1 million hits, does that means they have 1 million visitors every month? Here’s a brief explanations for those who are confuse how figures in these web statistic terms are generated.
Hits are rarely used to to judge a website’s traffic nowadays as they are not really accurate. The numbers are big and certainly cool, but generally useless.
Pageviews is a calculation of how many times a page is viewed. Say a visitor lands on your main page, that’s 1 pageview. Same visitor clicks to About Us page, that’s another pageview. By dividing total pageviews with total unique visitors, you can get an idea how many pageviews each visitor generates.
Impression is more or less a marketing term, normally calculated in bulk of 1000. It counts how many times a element (image, text, video) appears on a web page. If a advertisement network is paying $3/CPM (Cost Per Thousand Impressions), that means you are getting paid $3 when the banner appears 1000 times on your web page. Check 20 Cost Per Impression (CPM) ad Networks that pay more
Visits / Unique Visitors
Visits is normally equivalent to unique visitors. Think of it as the number of different people (different IP) that visits your web page. Visits or unique visitors are the most essential numbers of all, when it comes to determine the traffic of a specific site.