Inline JavaScript in Head
by Palasthotel on WordPress.org
Boosts performance of critical short JavaScripts by placing their content directly into the HTML head.
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CAUTION: This plugin is now deprecated! The successor plugin is Embed JavaScript File Content. The new plugin is rebuild from scratch and more rock solid: It respects order and position of scripts and extra scripts added via wp_add_inline_script or wp_localize_script don’t get lost. Give it a try!
In some cases you cannot wait for a JavaScript file to load, even if it is placed early in the section of your template. You can benefit from better performance, if you place the JavaScript code directly inside a