Helps you to automatically detect broken links on websites you visit.
check.broken.links.extension
https://relgrowth.com
balvin.perrie
http://www.linkresearchtools.com/
clanceyp
https://selectorshub.com
synmantics
https://startupflux.com/
https://error404.atomseo.com/
Wuhenlove
Craftled
Vlad