DomContentLoaded vs load

This page is loading a CDN version of Bootstrap CSS, a google font CSS file, a local CSS file that uses the fonts from Google, CDN versions of the three JS files for Bootstrap, a local JS file using the DOMContentLoaded event, and a series of large images in the body all from https://unsplash.com/.

https://unsplash.com/photos/lCGzifXHfygLorem ipsum dolor sit amet, consectetur adipisicing elit. Ex veritatis cum sapiente cumque repellat unde, quam assumenda deleniti hic doloremque officia eos eius aperiam impedit tempora iste minima dignissimos eveniet.

https://unsplash.com/photos/lCGzifXHfygPorro est odit fuga nostrum vero veniam, rem repellat delectus molestias sed modi obcaecati maxime architecto aspernatur labore cumque exercitationem, earum saepe officiis temporibus iste voluptatum ex iusto ratione? Dolorum?

https://unsplash.com/photos/qToVxSYXPYUEos voluptate asperiores excepturi, fugiat accusamus, temporibus deserunt molestias similique aliquam repudiandae, maiores quibusdam totam vel velit enim reiciendis at necessitatibus consequatur illo veniam nostrum molestiae explicabo praesentium! Minima, ipsam.

https://unsplash.com/photos/QMp3VXIO3BECommodi nisi, ipsam ducimus accusantium eos, at dolor quia possimus, laudantium et voluptate saepe. Iusto architecto, itaque eos molestias vitae exercitationem, quia voluptate quaerat laborum odit cupiditate excepturi obcaecati? Repellendus.