Server Push vs Preload Hints
Developers should use Server Push when building high-performance web applications that require fast initial page loads, especially for sites with multiple dependent resources like stylesheets and scripts meets developers should use preload hints when optimizing web performance, particularly for critical resources that block rendering or are discovered late in the page load. Here's our take.
Server Push
Developers should use Server Push when building high-performance web applications that require fast initial page loads, especially for sites with multiple dependent resources like stylesheets and scripts
Server Push
Nice PickDevelopers should use Server Push when building high-performance web applications that require fast initial page loads, especially for sites with multiple dependent resources like stylesheets and scripts
Pros
- +It is particularly effective in scenarios with high latency connections or when optimizing for mobile users, as it preemptively delivers assets that would otherwise block rendering
- +Related to: http-2, http-3
Cons
- -Specific tradeoffs depend on your use case
Preload Hints
Developers should use preload hints when optimizing web performance, particularly for critical resources that block rendering or are discovered late in the page load
Pros
- +For example, preloading a custom font file prevents layout shifts, while preconnecting to third-party domains reduces connection setup time for APIs or CDNs
- +Related to: web-performance, critical-rendering-path
Cons
- -Specific tradeoffs depend on your use case
The Verdict
Use Server Push if: You want it is particularly effective in scenarios with high latency connections or when optimizing for mobile users, as it preemptively delivers assets that would otherwise block rendering and can live with specific tradeoffs depend on your use case.
Use Preload Hints if: You prioritize for example, preloading a custom font file prevents layout shifts, while preconnecting to third-party domains reduces connection setup time for apis or cdns over what Server Push offers.
Developers should use Server Push when building high-performance web applications that require fast initial page loads, especially for sites with multiple dependent resources like stylesheets and scripts
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