A slow store costs you customers — through higher bounce rates, lower ad Quality Scores, and fewer conversions at checkout. Store Speed Doctor diagnoses exactly what's dragging your speed down and gives you a prioritized fix list in plain English. No developer needed. Step 1: Get your diagnosis. Step 2: Work the fix list. Step 3: Track your improvement.

• Instant A–F speed grade — see your score the moment you install
• Prioritized fix checklist — ranked by impact × effort, step-by-step instructions
• App script analyzer — see exactly which apps load the most JavaScript
• Orphaned script detector — find scripts from apps you've already uninstalled
• Weekly automated scans with email alerts when your score drops