Hello friends,
What is active link building?
Link building is the process of acquiring hyperlinks from other websites to your own.
A link building campaign is the process of actively trying to increase links to your website
active link building means actively looking for backlinks which may be through different submission
Active link building includes those links which are currently active and live on web.
check backlink checker tools your link working or not, if it's working then your link is active.
Enough answers posted on Active link building.
Are doubts clear @ OP?