IntermediateVocabulary#devtools#performance#frontend#debugging

Browser DevTools Vocabulary

5 exercises — TTFB and Network panel timing, long tasks in the Performance panel, flame chart axes, Memory heap snapshots (shallow vs retained size), and stalled network requests.

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A performance report says: "High TTFB on the homepage is delaying all subsequent resource loads." What does TTFB measure in the Network panel?