Final answer:
The 'All Traffic' reports in website analytics platforms provide insights into which websites are referring traffic to your pages, specifically under the 'Referrals' section.
Step-by-step explanation:
The reports that show which websites are sending traffic to your pages can be found in the All Traffic section of G Analytics or similar website analytics platforms. Specifically, you would look at the 'Referrals' report within the 'All Traffic' section to view the list of websites that have linked to your site and are sending visitors your way. This section provides detailed information about the source and behavior of traffic, including the number of new sessions, bounce rate, session duration, and conversions that each referring site is contributing.