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Fix It, and Prove It's Faster · Debugging and Performance
Lesson 6 of 9 in Debugging and Performance. Plus opens every course and every lesson, and new ones as they ship.
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Fix It, and Prove It's Faster
The good news is that most performance fixes are measurable. So before touching the checklist, pick a tool for your language or framework that shows you what's actually happening on a page: Page speed → how long the thing takes to render. Query count → usually where the real problem is hiding.…
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