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For every run, we pull Warcraft Logs' percentile rank for your spec computed against other parses at the same key level. Your +6 is graded against other +6s, your +12 against other +12s. The run page also surfaces a second number showing where the same DPS would rank against the entire spec pool. That second number is for context only and does not affect your grade. Augmentation Evokers are a special case: their personal DPS ceiling is lower by design because they spend GCDs buffing teammates, so we also credit a portion of teammate damage done during their Ebon Might and Prescience windows back to their score.

We count every interrupt, dispel, and CC cast across your tracked runs. Classes without a dispel aren't penalized for not having one. Critical-priority interrupts (boss heals, mass CC) count 1.5× when we have the data. Healers are weighted toward dispels; DPS and tanks toward interrupts and CC.

Three signals: how often you died, how much of your damage taken came from ability IDs we know are avoidable, and how much healing you consumed relative to the group. Tanks aren't penalized for healing received (they're supposed to tank). Deaths caused by avoidable abilities cost extra. The death penalty softens at higher key levels (above +12) because even top players take unavoidable deaths in high keys. Avoidable damage and healing burden thresholds both scale with key level so a +25 isn't compared against +5 standards.

For each of your spec's major CDs we compute expected uses based on fight duration, then compare against actual casts. Talent-optional CDs are excluded: we don't penalize you for not taking a specific talent. Missing only one CD drops your score; hoarding defensives or offensives is a common sub-grade cause.

Total casts divided by fight duration, scored against role and spec benchmarks. We use spec-specific thresholds: a 25 CPM Marksmanship Hunter is doing great, a 25 CPM Fury Warrior is struggling. Low CPM usually means rotation gaps, bad positioning, or AFK on a mechanic.