Django admin template css is not loaded when deployed on Vercel?

This is occuring becuase your static files are not being served in production on vercel. check our How to deploy a django project with staticfiles on vercel and ensure to pay attention to the part about running collectstatic using the builds_sh file and also ensure that this code is present in your settings.py file.

STATICFILES_DIRS = os.path.join(BASE_DIR, 'static'),
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles_build', 'static')