Not reliably. From my experience, the major search engine bots only see whatever is in the DOM until the DOMContentLoaded event or first X seconds which doesn't

Not reliably. From my experience, the major search engine bots only see whatever is in the DOM until the DOMContentLoaded event or first X seconds which doesn't always see everything due to JavaScript's async nature. You're also screwing your social media presence since most sites (Facebook, Twitter, Discord, etc.) only read the open graph tags of the initial document since they need instantaneous results.