When comparing w3m vs SeaMonkey, the Slant community recommends w3m for most people. In the question“What are the best browsers not based on Chromium?” w3m is ranked 6th while SeaMonkey is ranked 8th. The most important reason people chose w3m is:
Although w3m is primarily a text-based web browser which runs inside the terminal, it supports and renders several elements which other terminal-based browsers cannot like images, tables, tabs or frames.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Support for several elements not found in terminal browsers
Although w3m is primarily a text-based web browser which runs inside the terminal, it supports and renders several elements which other terminal-based browsers cannot like images, tables, tabs or frames.
Pro Available as emacs plugin
W3m can also be downloaded as an emacs plugins to be used as a fast web browser that runs inside emacs.
Pro Full internet suite
Wraps all your internet stuff together. It's like it's Firefox and Thunderbird all wrapped into one, and it kinda is. It's the continuation of the project both of those were extracted from.
Pro Not bloatware
Pro Designed for usability, not looks
Cons
Con Steep learning curve
Being a terminal web browser w3m has a certain learning curve because you need to learn the keystrokes and different commands.
Con Bloated with unnecessary features
Seamonkey has a browser, email client, and even an IRC chat. Too much bloat! It doesn't do one thing, let alone do anything well. It should be avoided.
Con Looks very old and outdated
Con No Addons
not a single adblocker or privacy addon that was useful