XVR27's Weird Al Yankovic homepage survives as a sprawling fan-built reference full of lyrics, subject indexes, transcripts, odd recordings, and links that later reference works still cite.
The QBasic Games Directory survived the disappearance of its original home and returned at Phat Code, preserving a large database from the scene where hobby programmers made complete PC games in Microsoft's beginner language.
IvyJoy's search resources for children became a long-lived directory of kid-oriented search engines, filtered guides, specialized tools, and research links repeatedly recommended by schools and teachers.
Frank Didik's enormous personal site preserves decades of vehicle prototypes, solar experiments, electric-car projects, optical systems, inflatable structures, and speculative designs in the gloriously uncompressed style of the personal Web.
Greg A. Woods's personal homepage preserves decades of UNIX systems work, programming opinions, old hardware, anti-spam material, networking references, free software, and unapologetically personal Web design.
DeepCave preserves Dave Shaw's reports, preparation notes, photographs, video references, rebreather material, and final updates from the extreme cave-diving project that ended with his death at Bushman's Hole in 2005.
E.O. Costello's Warner Bros Cartoon Companion cataloged the celebrity caricatures, radio catchphrases, products, staff jokes, and period references hidden inside classic Warner cartoons.
Nintendo's surviving Japanese Super Mario 64 page promoted the 1996 game with story text, screenshots, highlight scenes, and a wonderfully honest admission that the Internet could not really communicate what 3D Mario felt like.
Ed Welter's CrayonCollecting.com cataloged Crayola colors, boxes, wrappers, dates, variations, rarity, and product history deeply enough that later reference sites still cite his work after the original site disappeared.
Tilman Hausherr's Mozilla Museum preserved the original green Netscape mascot and the strange early history behind a name that later became synonymous with an entirely different open-source browser project.
Mark Pesce's original 1994 homepage on Hyperreal preserves early Web writing about VRML, cyberspace, virtual reality, Internet culture, and the strange optimism of a medium that had barely learned what it was.
The Lurker's Guide to Babylon 5 turned Usenet discussion, episode analysis, schedules, FAQs, and creator commentary into one of the early Web's most respected fan-reference sites.
Dale Harris's KeyHut POS site preserves a stubbornly practical DOS-era cash-register system built for old PCs, keyboard control, receipt printers, cash drawers, and businesses that do not need a browser to sell something.
Mark Rosenfelder's 2000 Zompist spelling page treats English orthography as a system that can be analyzed, modeled, and partly predicted instead of dismissed as random chaos.
Roger Russell's personal site preserves a sprawling history of McIntosh Laboratory products, people, loudspeakers, clinics, patents, prices, and engineering details from someone who helped design part of that history.
psDooM turned Unix process management into a Doom level where running processes appeared as monsters, wounding them changed priority, and killing them could terminate the process.
Jamie Zawinski's Tent of Doom page preserves a 1995 Netscape-era act of cubicle self-defense: wrapping a workspace in camouflage netting and documenting the result on the Web.
Mike's Electric Stuff preserves photographs, operating details, manuals, and firsthand notes about mercury arc rectifiers: giant glowing electrical valves that converted AC to DC before solid-state electronics replaced them.
John Thompson's Silkqin site has spent decades collecting guqin history, tablature, recordings, translations, performance notes, silk-string research, art, poetry, and reconstruction work around the ancient Chinese zither.
The World of Mime Theatre has been online since 1996, preserving performers, schools, books, festivals, organizations, encyclopedia entries, and a surprisingly deep record of an art form that rarely gets this kind of web documentation.