What does my Link Health grade mean?
The grade on your LinkGuard dashboard compresses the state of every checked link into one letter:
A — no broken links, no redirect chains. B — nothing broken, but some links pass through redirect chains. C — up to 5% of checked links are broken. D — up to 15%. F — more than 15% of your links are dead.
Two details worth knowing: timeouts count as broken (a link that never loads is broken from your visitor's point of view), and stale data lowers the grade one letter — if the last full scan is much older than your scan interval, an "A" you can't trust shouldn't look pristine.
Dismissed links don't count against your grade — use Dismiss for false positives like login-walled URLs.