Submit the sitemap to Google and Bing
Then check the coverage report for what was excluded and why.
Step 3.3.1
Time: 15m
Done when
Open Search Console and Bing Webmaster Tools and confirm the sitemap is submitted in each, then read the coverage report for what was excluded and why. The exclusions are the point — a green tick with 40 pages excluded is not done. (Proof: a URL.)