Look at brand reputation and development history. Training institutions with a good reputation and a long history of development must have certain strength and be recognized by the market.
Look at the faculty of training institutions. Teachers are the core resources of an IT training institution, and a qualified IT lecturer must first have many years of practical experience in projects.
Employment situation of students. The employment rate and salary level of trainees reflect the teaching level of training institutions and the degree of integration of training courses with the market to a certain extent.
Compare the content and tuition of specialized courses. IT training is also a product of the market, so you must shop around and choose the professional direction and training institution that suits you.
You can compare it with references,