Certificates are often awarded by educational institutions or commercial entities for participating in specific training courses. It recognizes completion of a course or several courses at a certain point in time. The course content is developed by the course provider.
An authentic professional certification is a formal recognition by a recognized and established professional organization that an individual has demonstrated a proficiency within, and comprehension of, a specified body of knowledge. Certification schemes require that individuals demonstrate these competencies by passing an exam developed by recognized subject-matter experts and experienced practitioners. Exam questions and pass scores are developed using psychometrics. Exams are formally administered under strict rules to ensure integrity.
While earning a certificate is useful for providing evidence of a course completion, it should not be confused with the rigor and achievement of a professional certification.