"Virtualization" might be the most buzzed, least understood word in frontend performance. Every optimization discussion, someone drops it. My roommate does it every time React or Angular perfmonce comes up: "just virtualize it.
Source: [Dev.to](https://dev.to/anand_mohan_f798b1270e7fb/you-probably-dont-need-virtualization-but-heres-how-it-actually-works-4141)