digital footprint

noun
1.
one's unique set of digital activities, actions, and communications that leave a data trace on the Internet or on a computer or other digital device and can identify the particular user or device:
Our online browsing habits are part of our passive digital footprint, created without our consent or knowledge, but our active digital footprint, especially on social media, can more easily be managed.
Compare footprint (def 4).
2.
one’s overall impact, impression, or effect as manifested on the Internet; online presence or visibility, as of a person or company: a celebrity with a large digital footprint;
ways to expand your brand’s digital footprint.
Compare footprint (def 11).
Also called electronic footprint.
Origin
1980-85
British Dictionary definitions for electronic footprint

electronic footprint

noun
1.
(computing) data that identifies a computer that has connected to a particular website