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During server-side rendering, you see blank pages instead of content. What is a common cause in Angular Universal apps?

medium📝 Debug Q7 of 15
Angular - Server-Side Rendering
During server-side rendering, you see blank pages instead of content. What is a common cause in Angular Universal apps?
AThe index.html file is empty
BThe app.module.ts file is missing
CThe Angular CLI is not installed globally
DUsing browser-only APIs without guards causes rendering failure
Step-by-Step Solution
Solution:

  1. Step 1: Identify common SSR rendering issues

    Using browser-only APIs like window without checks causes SSR to fail silently.

  2. Step 2: Understand impact on output

    Failure during rendering results in blank pages sent to clients.

  3. Final Answer:

    Using browser-only APIs without guards causes rendering failure -> Option D

  4. Quick Check:

    Browser API misuse = blank SSR pages [OK]
Quick Trick: Guard browser APIs to avoid blank SSR pages [OK]
Common Mistakes:
  • Blaming missing Angular CLI globally
  • Assuming empty index.html causes SSR blank
  • Thinking missing app.module.ts causes blank SSR

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