Final answer:
The Site Speed reports can collect several types of data, including page-load time, image loading speed, button click response time, and how quickly a browser parses a page. The correct answer is that all listed options are tracked by Site Speed reports (option c).
Step-by-step explanation:
The types of data that can be collected and reported in the Site Speed reports include a variety of metrics related to the performance of a website. Specifically, these reports can track:
- Page-load time for a sample of pageviews on your site
- How quickly images load
- Button click response time
- How quickly the browser parses a page and makes it available for user interaction
Therefore, the correct answer is c) All of these are tracked by the Site Speed reports.