Certification Catalog 237 guides
Browse 237 certification guides across 11 domains — compare exam costs, difficulty, salary data and prep timelines before you commit.
Updated Jul 2026 ✓ Expert Reviewed
Filter by your domain and pick a Beginner or Associate level certification — they deliver the fastest salary ROI for newcomers.
Compare Two CertsShowing 88 certifications
AHA BLS Provider
American Heart Association
American Heart Association
CLF-C02
AWS Training and Certification
AIF-C01
Amazon Web Services
CLF-C02
Amazon Web Services
AZ-900
Microsoft
Church, parish, diocese, archdiocese, religious body or denominational office
BLS Provider
American Heart Association (AHA) or American Red Cross
BLS
American Heart Association or American Red Cross
American Heart Association or American Red Cross
Project Management Institute
200-301 CCNA
Cisco
Insurance carrier or licensed insurance agent/broker
Caravan and Motorhome Club
State nurse aide registry / board of nursing
NNAAP or state nurse aide competency exam
State nurse aide registry or state health/nursing agency
NNAAP
State Nurse Aide Registry
New Jersey Department of Health