Publisher copyright policies & self-archiving
It is possible to get published in for-profit journals and still publish on your own website as well, depending on what the policies of individual publishers are. The SHERPA project brings together the copyright policies of the major publishing houses in one place so you can see what your rights are. I am certainly glad that so many of my fellow Internet studies academics have made much of their scholarship available online - often pre-publication and fairly often even post-publication (usually in a ‘draft - not for citation’ form, but still…)