Following are some citations discussing the characteristics of pseudoscience.
11 Characteristics of Pseudoscience
Thinking is Power
https://thinkingispower.com/11-characteristics-of-pseudoscience
Distinguishing Science from Pseudoscience
Prof. Rory Coker of the Physics Department of the University of Texas
https://web2.ph.utexas.edu/~coker2/index.files/distinguish.htm
Science and Pseudo-Science
Stanford Encyclopedia of Philosophy
https://plato.stanford.edu/entries/pseudo-science/
Drawing the line between science and pseudo-science
Scientific American
MCToon 