First of all, those "private servers" are rip-offs of RuneScape, and therefore illegal.
Second, if you don't want to download a program, about the only alternative I see is to make it yourself. First you would have to learn programming for a few years. After that, it would take a team of expert programmers several years to make a game as complex as RuneScape.
No its not its a private server/ it has nothing to do with runescape.
You download a different source from a RuneScape private Server community
Yes. It is against the Rules of RuneScape to create and/or use a RuneScape private server.
A server that is just like runescape, but not made by Jagex, made from players of runescape.
Some of them have web-clients, but most of the time you will have to have winrar and download a file... here are a couple that have web-clients. dfscape.com ritzscape.com unrealscape.com
Running a Runescape private server is illegal. Just enjoy the game for what it is.
It depends on what private server your on, there's literally millions.
Sounds like some sort of Runescape Private Server.
A Runescape private server can be run off of almost any personal computer for no cost. It does require extensive knowledge of networking and running a server, however.
try looking on a runescape private server for that kind of information.
The best place to look up a private server would be Runelocus.
project catastrophy is good private server so check it out its cool :)