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You added flask_compress to your Flask app but static files are not compressed. What is a likely cause?

medium📝 Debug Q14 of 15
Flask - Performance Optimization
You added flask_compress to your Flask app but static files are not compressed. What is a likely cause?
AYou forgot to call <code>Compress(app)</code> after creating the app
BYou used <code>app.run()</code> instead of <code>app.start()</code>
CStatic files cannot be compressed in Flask
DYou did not install Flask
Step-by-Step Solution
Solution:

  1. Step 1: Check flask_compress setup

    To enable compression, you must call Compress(app) after creating the Flask app instance.

  2. Step 2: Eliminate other options

    app.run() is correct to start Flask; static files can be compressed; Flask must be installed to run at all.

  3. Final Answer:

    You forgot to call Compress(app) after creating the app -> Option A

  4. Quick Check:

    Missing Compress(app) disables compression [OK]
Quick Trick: Always call Compress(app) after app creation [OK]
Common Mistakes:
MISTAKES
  • Confusing app.run() with app.start()
  • Thinking Flask can't compress static files
  • Ignoring extension initialization step

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