What Is QA Testing? Definition, Process, Types and Tools
QA testing checks that software meets its requirements before release. Learn QA vs QC vs testing, the main types, the process, roles, tools and how to start in 2026.
A QA process decides when testing happens, who owns it and how the team knows it is working. These guides cover the basics of QA testing, building a strategy, fitting QA into agile delivery, structuring the team, and measuring the results.