Improve the real or perceived speed of the site, or monitor performance metrics.
Using the hooks provided by Imageinfo Cache and AdvAgg
Ported from my Wordpress plugin https://wordpress.org/plugins/vcaching/
This plugin handles all integration with Varnish Cache. It was designed for high traffic websites.
Provides integration with bLazy and other tools to reduce page load times and save bandwidth. This improves user experience especially on mobile devices.
See https://www.drupal.org/project/big_pipe.
Normally on a cron run, all cron tasks will be execute. This is not always necessary, because some of your cron tasks must i.e. only run once at day.