IE5 SP2 utilized an updated version of the Trident layout engine. This engine introduced significant support for CSS (Cascading Style Sheets) Level 1 and the DOM (Document Object Model) Level 1.

And what a web it was. GeoCities hamsters dancing in infinite loops. Angelfire shrines to Final Fantasy VII. Guestbooks where strangers wrote “cool site!” and meant it. There were no algorithms, no dopamine feeds, no doom-scrolling. Just hyperlinks—honest, broken, human hyperlinks.