CubeMage Smart Link Checker v1.0.0
A lightweight broken link checker for WordPress. Detects 404 errors, monitors affiliate links, and scans content with adjustable server load settings.
Tags / 404-checker
404 checker
3 WordPress plugins tagged “404 checker”. Every result links to a crawlable PlugIndex profile.
PlugUpp Link & Image Health Audit: Broken Link, Broken Image and Mixed Content Checker v1.8.0
Broken link checker, broken image checker and mixed content checker in one, auditing your pages' final rendered output on your own server. No quotas.
Snagbane Link Scanner v0.4.1
Broken link checker that tells a real 404 apart from a page just blocked by a firewall -- instead of calling both "broken."