¶ 23Lab QA Wiki
A practical knowledge base for QA engineers: fundamentals, manual and automated testing, APIs, performance, security, tools, and AI. Every topic is available in English and Bulgarian, with real examples and ready-to-use code.
¶ Start Here
Recommended entry points¶ Getting Started
New to the wiki or new to QA? Start here: how the wiki is organized, a learning roadmap, your first-week checklist, and the tools to…
OPEN THE PORTAL →¶ Playwright Guide
A complete, practical Playwright guide in TypeScript: installation and your first test, locators and assertions, configuration, Page Object…
OPEN THE PORTAL →¶ WebdriverIO Guide
A practical WebdriverIO v9 guide in TypeScript: project setup, selectors, the wdio.conf.ts file, page objects, waits and assertions,…
OPEN THE PORTAL →¶ Explore the Portals
9 portals¶ QA Fundamentals
The core concepts every QA engineer needs: what quality assurance is, how testing fits into the development lifecycle, testing levels and…
OPEN THE PORTAL →¶ Manual Testing
Practical manual testing: writing test cases and test plans, reporting bugs that get fixed, exploratory sessions, regression strategy, and…
OPEN THE PORTAL →¶ Test Automation
How to build automation that lasts: strategy and the test pyramid, choosing a framework, the Page Object Model, test data, CI/CD, and…
OPEN THE PORTAL →¶ API Testing
Test APIs with confidence: HTTP basics, REST principles, authentication, schema and contract validation, Postman workflows, and a complete…
OPEN THE PORTAL →¶ Performance Testing
Measure how systems behave under load: test types, key metrics, planning a test, hands-on k6 and JMeter, and reading results to find…
OPEN THE PORTAL →¶ Security Testing
Security testing for QA engineers: the OWASP Top 10, authentication and session checks, input validation, API security, tools like OWASP…
OPEN THE PORTAL →¶ QA Tools
The QA toolbox: test management, bug tracking, browser DevTools, API clients, automation frameworks, and everyday utilities.
OPEN THE PORTAL →¶ Interview Preparation
Prepare for QA interviews: common questions with model answers for fundamentals, manual testing, automation, and APIs, plus behavioral…
OPEN THE PORTAL →¶ QA Glossary
Key testing and QA terms from A to Z, with short, practical definitions.
OPEN THE PORTAL →¶ More Sections
¶ MCP Portal
Model Context Protocol: hosts, clients, servers, tools, and testing.
OPEN THE PORTAL →¶ AI & Machine Learning
LLMs, AI assistants, coding tools, agents, and AI testing.
OPEN THE PORTAL →¶ Popular Pages
¶ About This Wiki
Built and maintained by 23Lab. Each portal groups related topics; each topic page has explanations, checklists, code, and links to official documentation. Use the search at the top or the Browse button in the menu to find any page.
Switch language with EN / BG at the top of every page.