Are you sure you need the load listener to fire the openSnapElement?

[joostf]

https://github.com/vsheo/look-and-feel-corporate-identity/blob/b425cf3a90061752c842c42610a33bc1012f3160/scripts/sectionSnap.js#L8

Since your scripts are placed at the end of the HTML file..

Alternatives for loading scripts are:

• defer https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#defer
• modules https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules