Yeah, I tried to classify the web for a while.  I gave up in April 1996.   Here's where I stopped.

I've gather some information together that I've found while surfing. I don't pretend that it's the list of lists, I'll let Yahoo do that.

Contents

Introduction
HTML/SGML
Non-browser/server software
Web/Net Conferences
Virtual Reality
Server Statistics
WWW Organizations and companies
People
Web Agents
Writing WWW Scripts - CGI
HTTP
java
Authoring and Publishing
Icons and Icon Libraries
Editors and Converters
Security
Web interface to searching
Consultants
Web Games
Great Web info pages
Misc. Web info
Do it all search engines
Web Search engines
Archie/Gopher
Other search engines
Other oddments from surfing
Setting up an ISP
Zines

Net Culture
Intellectual property rights
Misc. Net info

Introduction to HyperText and Web

HTML/SGML writing, URL explanation

Available in hardcopy as well.

Non-browser/server software and interfacing

Web/Net conferences

Virtual Reality

Server statistics

WWW Organizations/Companies and their browsers

Interesting Web people

Agents and agent technology

Writing WWW scripts

HTTP

WWW authoring and publishing

Icons and Icon Libraries

Editors/Converters

Security

Web Interface to searching ( WAIS/Glimpse etc )

Web Consultants

Web games

Web gurus sites

Web Info

Searching

Do-it all

Web specific

Searching the EINet Information Galaxy
Web Indexes
Comprehensive list of web sites

Archie/Gophers

University of Minnesota's Home Gopher Server
Internet Software Archive at boombox.micro.umn.edu (Gopher programs, etc.)
Gopher server at una.hh.lib.umich.edu/00/inetdirsstacks/persfin
gopher://garnet.msen.com:9062/
Archie Request Form
InfoSeek Home Page
Search of Multiple Sources
Gopher server
WUARCHIVE software archives
Archie Gateway

Misc. searching

The URL-minder: Your Own Personal Web Robot!
Internet Fingerinfo Directory
Four11 Directory Services (SLED)
Interactive RFC Index
Acronym Dictionary
Acronym lookup
Welcome to Britannica Online
Byte Concepts: Information Retrieval and Editorial Services
Yahoo - Computers:Internet:Directory Services:Whois:Whois++

Net Surfing

Yahoo - A Guide to WWW
The InterNIC InfoGuide Home Page
Internet hunt server
Special Internet Connections: Last update 11/16/94
FAQ: How To Announce Your New Web Site
What's New from comp.infosystems.announce?
Internetwork mail guide
What is the difference between WAIS, Gopher and WWW?
InfoSeek Home Page
The Internet Adapter (tm)
WDB - A Web interface to Sybase
Leasing a Server
HomePage Publisher
Glossary
Finding Topics on the Internet

Net Zines

Tables of Contents
MecklerWeb Home Page
Gleason Sackman's Newsltr

Setting up an ISP

The Inet-Access Frequently Asked Questions List
VICNET:VICTORIA'S NETWORK
http://www.anime.net/linuxisp/Linux-ISP-HOWTO.html

Net News and other News

Web Week Home Page
Phillips Business Information Inc. Internet Week
News Lines
SIMBA Media Daily: INTERNET
This is ... WHERE IT'S @ !!
Bootcamp...a report on computers and technology

Net culture

The Ultimate Slacker Home Page
The Church of the SubGenius
The Principia Discordia
HyperDiscordia, Confusion for a New Generation

Intellectual Property Rights

EFF Intellectual Property Policy Archive
http://www.eff.org/pub/Intellectual_property/idea_economy.article
Faegre & Benson

Misc. Internet related

Typing Injury FAQ/Keyboards
Proposed alt.current-events.net-abuse FAQ
Xerox PARC PubWeb Server
FAQ: How To Announce Your New Web Site
HTML Validation Tools
Information for a Changing World
The Business of the Internet
Economics and the Internet
Electronic Commerce Resource Guide
FAQ: Computer Security Frequently Asked Questions
Internet Domain Survey
Your Own Domain Name
Catalog.Com
FAQ - "New Internet User" Questions
InterNIC Registration Services
SATAN