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Charles Chang

January 2026

Visited an Observatory link

Beyond the Testing Pyramid

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How to test anything in 5 steps

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Debugging, emotional resilience, and mental models

Visited an Observatory link

Mental Models: The Best Way to Make Intelligent Decisions (~100 Models Explained)

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1.7.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.6.0 of First request to test suite: 30 days to API testing confidence

Accepted challenge

Thanks for taking part in our unofficial 'thanks' challenge.

Thanking contributors

75+ Testing Practice Websites to Master Software QA in 2025

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1.5.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.4.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.3.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.2.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.1.0 of First request to test suite: 30 days to API testing confidence

Completed a lesson

1.0.0 of First request to test suite: 30 days to API testing confidence

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