Udemy

Pros

• Affordable pricing, especially during frequent sales (e.g., $14 courses)
• Extensive library of practice exams and quizzes that often mirror exam difficulty
• Effective for hands-on lab practice and technical basics
• Strong community consensus for Azure and CISSP exam preparation

Cons

• Inconsistent course quality ranging from "subpar" to excellent
• Materials can be outdated, particularly for fast-changing cloud certifications
• Platform contains low-quality filler and potentially unethically sourced content

Caveats

• Users often recommend supplementing Udemy with official documentation (e.g., MS Learn) or other platforms like Whizlabs and TutorialsDojo
• Practice tests can sometimes be significantly more difficult than the actual exam content
• Quality depends entirely on the specific instructor rather than the platform itself

Best for

• Budget-conscious students
• IT certification exam preparation
• Learning foundational technical skills like linear regression or cloud basics

Avoid if

• You require a strictly curated platform with uniform quality standards
• You are studying for a rapidly evolving certification and cannot verify the course's last update date