More and more library resources are tracking use statistics. Check the websites or databases where your research output appears to track metrics like views and downloads.
E.g. Web of Science provides usage counts (abstract views) for articles over the last 180 days and over the last 3 years:
A number of advanced altmetrics tools are available for researchers (with both free and subscription-based options):
The Altmetric Bookmarklet can instantly generate altmetrics for any article with a Digital Object Identifier. Getting started is simple:
When you are viewing an article in a database or on a journal's website, click the bookmark to generate an Altmetric Attention Score for that article.
See the video below for more details:
Impact Story is a free service that tracks the buzz surrounding your research output on Twitter, blogs, and news outlets and generates a wide variety of altmetrics and statistics based on this data. Accounts can be synchronized with ORCiD to update automatically when new content is published.
A Twitter account is all that is required to get started.