[br121]

It's just a reference to how CRT-era games look better on CRT as the devs were working with CRTs in mind and taking advantage of their way of rendering images[1]. I don't think there is actually a noticeable difference for the website itself, CRT performs a sort of interpolation which is great for old games that accounted for it, but for content that is already high-enough in resolution there is not any improvement

[1]https://wackoid.com/game/10-pictures-that-show-why-crt-tvs-a...