Taylor is a weak vocalist. She can’t really belt, or even stay on key for her live performances, and she needs to work on her vocals, she probably sees herself as a songwriter first instead of a vocalist.
Taylor has a weak belting range, no vibrato, bad intonation, weak falsetto, extremely limited range, throaty when she sings, can become pitchy and off key live, raises larynx, and doesn’t use head voice. She is probably the weakest singer in pop music today after Selena Gomez.