When comparing w3m vs Falkon, the Slant community recommends Falkon for most people. In the question“What are the best web browsers for Linux?” Falkon is ranked 13th while w3m is ranked 22nd.
Ranked in these QuestionsQuestion Ranking
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.
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 Now under the KDE umbrella
Qupzilla is now discontinued and renamed to Falkon. It will also now be a part of KDE and will probably need more dependencies like kde-frameworks in the future.
Con Bookmark management not the strongest part
It often requires quite a lot of clicks to add and remove bookmarks.
Con Same security-holes as Chrome
Falkon uses the same browser engine as Chrome, meaning it has the same security-holes as Chrome. Chrome is a big target for hackers (being the most commonly used browser). A webpage that will hack Chrome will likely hack Falkon.