Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Drupal is a free and open-source web content management framework.
jQuery plugin for seeing if the images are loaded.
Kadence WP Kadence is a multipurpose WordPress theme that is available for free download and also offers a pro version.
Simple parallax scrolling effect.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.