As an author, you can track the performance of your published articles online via Your Publications (login required).
You can also access it via the starting page of your Springer Nature Profile where you will need to login and navigate to "Your Research". Scrolling down, you will find the section called "Your research", which is separated into two tabs "Submitted" and "Published":
Depending on your selection, you will either see the statuses of your submitted manuscripts or already published articles. If your manuscript has been accepted but does not yet appear in the "Published" section, it may still be in the Next steps for publishing your article or in production. Once published, please allow around one week for your article to appear under the "Published" tab.
Selecting one of your articles from the list will give you insights into its citations and accesses including a bar chart showing the accesses over the past 12 months or since publication as well as a list of countries from where these accesses were made.
Please note that the email address you are registered with under your Springer Nature Profile needs to match the email you used during submission.
If you still need to get a (matching) account, please create one under register a new account, to track your submissions and check your impact.