Automatic DNS Prefetch

This plugin speeds up your page load speed by adding DNS prefetch statements for external libraries.

Author:mabujo (profile at wordpress.org)
WordPress version required:3.9
WordPress version tested:4.4
Plugin version:1.0
Added to WordPress repository:20-12-2015
Last updated:20-12-2015
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
Rating, %:100
Rated by:2
Plugin URI:https://mabujo.com/
Total downloads:8 618
Active installs:100+
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Modern browsers allow pages to prefetch DNS records of external libraries. This plugin looks through WordPress enqueued scripts and styles and adds DNS prefetch statements for scripts and stylesheets added by other plugins.

This means that when the browser comes to download an external script or stylesheet, it already has looked up the DNS record for the external domain, and can proceed immediately to downloading the script, saving latency during loading of external resources.

You can read more about this technique in the Chromium document.

Plugin page Automatic DNS Prefetch plugin @ mabujo.