My confidence in the guidance from this article was shaken when it talked about “Increased page load” and “Poor SEO performance” issues. Their points are wrong

My confidence in the guidance from this article was shaken when it talked about “Increased page load” and “Poor SEO performance” issues. Their points are wrong and border on naivety. Page load issues can and should be nonexistent fire to loading via xmlhttprequest/fetch ahead of time, and SEO issues are minor and typically negated by sitemap XML. There are plenty of other best-practices to address lingering concerns.