http://lynx.invisible-island.net/lynx2.8.8/lynx_help/

The Lynx Help Page – quick-links and detailed documentation

Lynx help files (usually in your local directories):

These Lynx documents are part of your local configuration:

Lynx Users Guide — complete account of all Lynx features
Key-stroke Commands — quick outline of what various keys do
Line Editor — when entering URLs etc
Supported URLs — how Lynx handles various types of URL
About Lynx — credits, copyright etc
About Lynx-Dev — the developers & how to contact them

Other sources of Lynx help:

The Lynx configuration guide may also be local.

lynx.cfg options — a reference for advanced configurations
lynx documentation — supplementary documentation
Lynx Help for Beginners — quick help on many common problems
Blynx — Speech-Friendly Help for the visually impaired

World Wide Web Consortium documents:

HTML — 5.1 — 4.0 — 3.2 — 3.0 — 2.0
HTTP — 1.1 — 1.0
XHTML — 1.0
Web Naming & Addressing Overview: URIs, URLs etc
HTML Internationalization
WWW Consortium: home page

Help with HTML:

HTML validation services:

Other browsing software:

GNU wget — powerful & flexible non-interactive downloader
Pavuk — powerful & an even more-featured downloader
cURL — non-interactive downloader which supports HTTPS
snarf — small simple 1-file non-interactive downloader

Historical interest

NCSA Mosaic

Search engines:

These work with Lynx as of 2014/01/10: