Lesson

HTTP status codes

Practice the API, SQL, Git, Jira, and Agile basics expected from job-ready QA engineers.

Learning goals

Understand the concept, identify where it is used, and apply it in a practical QA task.

Theory explanation

HTTP status codes is an essential QA topic. In real teams, QA engineers use it to reduce product risk and make release decisions with better evidence.

Key terms

quality, risk, requirement, expected result, actual result, evidence

Real-world example

A team releases a checkout page. QA checks critical flows, documents issues, and helps the team understand release risk.

Step-by-step explanation

Read the requirement, identify risk, design checks, execute tests, document results, communicate findings.

Common mistakes

Testing without clear expected results, skipping edge cases, and writing vague bug reports.

Practical use case

Create a small QA artifact for a login or checkout flow.

Summary

Use HTTP status codes to make testing structured, clear, and useful for the whole team.

Slides

Slide 1

HTTP status codes: Slide 1

Key point 1: apply HTTP status codes through examples and practice.

HTTP status codes: Slide 1

Slide 2

HTTP status codes: Slide 2

Key point 2: apply HTTP status codes through examples and practice.

HTTP status codes: Slide 2

Slide 3

HTTP status codes: Slide 3

Key point 3: apply HTTP status codes through examples and practice.

HTTP status codes: Slide 3

Slide 4

HTTP status codes: Slide 4

Key point 4: apply HTTP status codes through examples and practice.

HTTP status codes: Slide 4

Slide 5

HTTP status codes: Slide 5

Key point 5: apply HTTP status codes through examples and practice.

HTTP status codes: Slide 5

Examples

Real QA example

A team releases a checkout page. QA checks critical flows, documents issues, and helps the team understand release risk.

Interactive Practice

analysis

Your task

Review a short requirement and identify one testing risk related to HTTP status codes.

Expected answer guide

A clear risk with a matching test idea.