wpseek mobile

Registers _wp_cron() to run on the {@see 'shutdown'} action.The spawn_cron() function attempts to make a non-blocking loopback request to `wp-cron.php` (when alternative cron is not being used). However, the wp_remote_post() function does not always respect the `timeout` and `blocking` parameters. A timeout of `0.01` may end up taking 1 second. When this runs at the {@see 'wp_loaded'} action, it increases the Time To First Byte (TTFB) since the HTML cannot be sent while waiting for the cron request to initiate. Moving the spawning of cron to the {@see 'shutdown'} hook allows for the server to flush the HTML document to the browser while waiting for the request.

_wp_cron, wp_clone, spawn_cron, wp_rand, wp_doing_cron

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