How does JavaScript affect page load speed?
JavaScript can significantly impact page load speed. When scripts are loaded, they can block the rendering of the page, leading to slower load times.
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 loaded.
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 perceived load speed, 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, or WebPageTest to analyze the impact of JavaScript on load speed.
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