What is the impact of JavaScript on website load time?
JavaScript can significantly affect load time, especially if scripts are not optimized. It can block rendering and delay page display.
How can I optimize JavaScript to improve load time?
You can optimize JavaScript by minifying code, using asynchronous loading, and reducing the number of scripts.
What tools can I use to measure the impact of JavaScript on load time?
Tools like Google PageSpeed Insights, GTmetrix, and WebPageTest can help you analyze load times and JavaScript performance.
Are there any best practices for using JavaScript on websites?
Yes, best practices include deferring non-essential scripts, using a content delivery network (CDN), and keeping scripts lean.
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