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Adobe Adobe Experience Manager ✓ Updated May 2026

Adobe Experience Manager Sites Developer Professional

Exam Code: AD0-E123
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About the AD0-E123 Exam

The Adobe Experience Manager Sites Developer Professional exam, code AD0-E123, is a certification designed for developers who build and maintain websites using Adobe Experience Manager (AEM) Sites. This exam validates your skills in creating custom components, templates, and workflows within the AEM environment, focusing on both authoring and publishing aspects. As an Adobe certification, it demonstrates your expertise in leveraging AEM's core features to deliver engaging digital experiences. In the industry, this certification is highly valued as AEM is a leading content management system used by enterprises to manage complex web properties, making certified professionals essential for efficient site development and maintenance.

This exam covers key areas such as AEM architecture, component development, content management, and integration with other Adobe services. You'll need to understand how to use the AEM Touch UI, implement custom workflows, and manage content using the JCR repository. The AD0-E123 also tests your knowledge of best practices for building responsive and accessible sites, as well as debugging and performance optimization. By earning this certification, you prove your ability to handle real-world tasks like creating reusable components, configuring templates, and ensuring seamless content publishing across multiple channels.

For employers, the AD0-E123 certification is a reliable indicator of a developer's proficiency in AEM Sites, reducing the risk of hiring mistakes and ensuring project success. It's particularly relevant for agencies and organizations that rely on AEM for their digital presence, as it guarantees that the developer can effectively contribute to site development from day one. As digital experiences become more critical, this certification helps professionals stay competitive, opening doors to roles like AEM Developer, Technical Lead, or Solutions Architect. Ultimately, it's a strategic investment in your career growth within the Adobe ecosystem.

Who Should Take the AD0-E123 Exam?

This exam is intended for developers with at least 1-2 years of experience in AEM development, including proficiency in Java, HTML, CSS, and JavaScript. Typical job roles include AEM Developers, Front-End Developers specializing in AEM, and Technical Consultants who build and maintain AEM-based websites. Prerequisites include hands-on experience with AEM authoring and publishing instances, as well as familiarity with OSGi, Sling, and the JCR API.

Topics Covered in AD0-E123

📊
AEM architecture and repository structure
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Component and template development
💡
Content management and authoring workflows
🛡️
Client-side libraries and front-end integration
🏗️
Workflow implementation and customization
🔧
Security and access control in AEM
⚖️
Debugging and performance tuning
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Integration with Adobe Cloud Services

Preparation Tips for AD0-E123

Focus on hands-on practice with AEM 6.5 or later, building custom components and templates to reinforce core concepts.
Review the official Adobe documentation for AEM Sites, especially sections on component development and workflows.
Use the Adobe Experience Manager Developer Guide to understand the JCR repository and Sling resource resolution.
Take practice exams to identify weak areas, particularly around security configurations and workflow customization.
Join Adobe community forums or study groups to discuss real-world scenarios and common pitfalls in AEM development.

Frequently Asked Questions — AD0-E123

What are the prerequisites for the AD0-E123 exam?

There are no formal prerequisites, but Adobe recommends at least 1-2 years of hands-on experience with AEM development. You should be proficient in Java, HTML, CSS, and JavaScript, and have practical knowledge of AEM's core features like component development, templates, and workflows.

How many questions are on the AD0-E123 exam, and what is the passing score?

The exam typically consists of 50 multiple-choice questions. The passing score is not publicly disclosed by Adobe, but it is generally around 70-80%. You have 120 minutes to complete the exam, which is available in English.

What topics are most heavily tested in the AD0-E123 exam?

The exam heavily focuses on AEM architecture, component and template development, and content management workflows. Other key areas include client-side library integration, workflow customization, and security best practices. Expect questions that test your ability to debug and optimize AEM sites.

How many questions are in the ExamsTree AD0-E123 study guide?
The ExamsTree AD0-E123 PDF study guide contains 50+ practice questions with detailed answer explanations, all mapped to the official Adobe exam objectives.

Why Choose ExamsTree?

ExamsTree AD0-E123 Study Guide is developed by experienced certification professionals with deep knowledge of Adobe technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Adobe
Questions 50+
Format PDF
Updated 5/24/2026
Cert Adobe Experience Manager
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