Google Trends is a public web facility of Google Inc., based on Google Search, that shows how often a particular search-term is entered relative to the total search-volume across various regions of the world, and in various languages. The horizontal axis of the main graph represents time (starting from 2004), and the vertical is how often a term is searched for relative to the total number of searches, globally. Below the main graph, popularity is broken down by countries, regions, cities and language.^[1]

Google Analytics is a freemium web analytics service offered by Google that tracks and reports website traffic.^[1]

Integrated with AdWords, users can now review online campaigns by tracking landing page quality and conversions (goals). Goals might include sales, lead generation, viewing a specific page, or downloading a particular file. Google Analytics analysis can identify poorly performing pages, where visitors came from (referrers), how long they stayed on the website and their geographical position. It also provides more advanced features, including custom visitor segmentation.^[2]

Google built-in reports offer many alternate visualizations including multiple-axes charts, pivot tables, pie charts, bar charts, data tables, and motion charts. Customers can also create customizable, shareable dashboards which can display a variety of widgets. Examples of Google Analytics reports retrieved via the RGoogleAnalytics library may be found on GitHub.