It was Yahoo.com - I still have respact for Yahoo. But, I must admit I hardly visit there these days.
I don't remember that Almost 5-6 years Your question is similar to something like which was the first lesson in english subject when you were in std. X DON.
I dont remember exactly, bt the 1st site that i started visiting regularly was desipapa.com nearly 6-7 years back
The first "computer" i connected to was a friends across town, dialed in at 300baud and transferred a game and copied it to tape in 86. The first "network" i connected to was NirvanaNet and &Totse which were open access dial-up BBS's in about 91. The first "internet" page was my ISP's portal page which had links a few things, and i went to AltaVista but then it was on a different name, altavista.digital.com i believe before they started on AltaVista.com and was around 96.
it was hotmail.com way back when I was in sixth!! they were teaching us how create email ID in scholl hehe