We are not gonna address all this in this post but you can look into how you can register a assistance worker here (Google, n.d.). For additional exposition on what a PWA is and ways to leverage it for Search engine marketing and promoting, look into the Google Developer movie https://www.sotaventomedios.com/gazing-into-the-seo-crystal-ball-what-works-now-and-whats-coming-in-2025-so-you-dont-get-left-behind/