What are some examples of prefetching in web development?
Prefetching is a technique used to load resources before they are needed. Examples include link prefetching, DNS prefetching, and preloading critical resources.
Can you explain link prefetching in more detail?
Sure! Link prefetching allows browsers to fetch resources linked in the HTML before the user clicks on them, improving load times.
What about DNS prefetching? How does that work?
DNS prefetching resolves domain names before a user clicks on a link, reducing latency by speeding up the connection process.
Are there any downsides to using prefetching?
Yes, excessive prefetching can lead to increased bandwidth usage and may negatively impact performance if not managed properly.
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