If you want to measure how fast your own JavaScript functions run, use the Performance API rather than the standard Date object.
: Speed is calculated as Distance (File Size) / Time . To avoid cached results, a "cache-buster" (a random query parameter) is added to the URL. Implementation Steps : javascript detect speed
: A built-in, readable way to track how long a block of code takes to execute. This is useful for quick debugging. 3. Key Considerations & Pitfalls If you want to measure how fast your