What are the best strategies for loading scripts on a webpage?
There are several effective strategies for loading scripts, including async, defer, and inline scripts. Would you like to know more about each?
Yes, please explain the differences between async and defer.
Sure! The async
attribute allows the script to load in the background while the HTML is parsing, executing as soon as it's ready. The defer
attribute also loads the script in the background but ensures it executes only after the HTML is fully parsed.
Which one is better for performance?
It depends on your use case. async
is great for scripts that don't depend on others, while defer
is better for scripts that need to run in order after the document is fully loaded.
Are there any other strategies I should consider?
Yes! You might also consider lazy loading scripts, bundling them to reduce requests, or using a content delivery network (CDN) for faster delivery.
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