Myth: Preload key resources to speed them up

Myth: Preload key resources to speed them up
Added 9 : LCP 2.0s -> 2.7s.
Preload tells the browser to fetch at highest priority immediately. Stack too many and they compete for bandwidth with the actual LCP resource, delaying it.
— Each preload steals from a finite connection pool; on a constrained link (p75 ~1.6Mbps) 9 priority fetches serialize behind each other.
— Preload exactly one thing: the LCP image or the critical font. One targeted preload: LCP 2.0s -> 1.5s.
Preload is a priority weapon, not a checklist item.
Takeaway: 1 preload beat 9 by 1.2s of LCP.