Nightly scan of every internal and external link. Slack + email alerts within 12 hours of any 404. One-click redirect suggestion for internal links. Zero front-end JavaScript, zero performance cost.
Real-time scanners (like the classic Broken Link Checker plugin) cripple wp-cron and inflate database size. Nightly server-side scan does the same job with zero admin drag.
Direct webhook to a channel. Threaded per-URL so you don't spam.
Daily 8am summary with click-through-to-fix links.
Dashboard widget with 7-day trend.