link-quality
Toxic Backlink Checker Guide: What "Toxic" Really Means
Toxicity scores from backlink checkers aren't measuring one agreed-upon thing; each vendor defines "toxic" with its own markers, thresholds, and blind spots. This guide covers what those tools actually score under the hood, where free and paid options genuinely diverge, and the false-positive patterns that make a raw toxicity number worth investigating rather than acting on directly.