Search Engine Keywords Performance provides the following metrics for each of your Google/Bing/Yahoo! search keywords:
- Clicks: a click is counted each time someone clicks on a link pointing to your website on a search engine results page.
- Impressions: an impression is counted each time your website is displayed in a search engine results page.
- Clickthrough rate: a ratio showing how often people who see a search engine results page with a link to your website, end up clicking it.
- Keyword position: average position of your website in the search engine results list (for this keyword).