Well, now that that site is back up: is it all of them? The one from the OP doesn't seem to be there. (It doesn't seem like the OP's is Netscape 4, either; according to [1], it seems like the one OP was after is from Netscape 1. Or as the author says, " the original Netscape Navigator", emphasis mine.)
(And [1]'s image has been altered: there's a white border, the last few frames appear to be missing, the palette isn't quite right — vs. the palette in the OPs is just spot-on and screams the era. Seems to only drive home some of the points in the OP.)
(And [1]'s image has been altered: there's a white border, the last few frames appear to be missing, the palette isn't quite right — vs. the palette in the OPs is just spot-on and screams the era. Seems to only drive home some of the points in the OP.)
[1]: https://www.versionmuseum.com/history-of/netscape-browser