From GitHub's Certification page:
Getting GitHub certified is a resounding endorsement that validates your skills, credibility, trust, and knowledge of the technologies and developer tools that are used by more than 100 million developers worldwide.
tomwechsler/GitHub_Certifications
From GitHub: Getting GitHub certified is a resounding endorsement that validates your skills, credibility, trust, and knowledge of the technologies and developer tools that are used by more than 100 million developers worldwide.
MIT