How does JavaScript affect page load time?
JavaScript can significantly impact page load time, especially if scripts are not optimized. Large or blocking scripts can delay rendering.
What are some ways to optimize JavaScript for better performance?
You can optimize JavaScript by minifying code, using asynchronous loading, and reducing the number of scripts.
Is it better to load JavaScript at the end of the body tag?
Yes, loading JavaScript at the end of the body tag can improve page load time as it allows the HTML to render first.
What tools can I use to measure the impact of JavaScript on my site?
You can use tools like Google PageSpeed Insights, GTmetrix, and WebPageTest to analyze JavaScript performance.
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