This blog publishes interesting information gleaned through the personality tests on this website. See the main about page for more.
The main section of this website offers a wide variety of free online psychological tests. Sometimes additional questions are bundled in for the purpose of casual research, the results of which are published here. The topics covered usually tend to be less serious than those in academic psychology and are not treated quite as rigorously although accuracy is certainly a priority, see more about the strengths and weaknesses of the data here.