This is perhaps the most practical section for readers. ISO standards are copyrighted and not freely distributed. Here's what you need to know about obtaining the PDF legitimately.

Time behaviour: "The homepage API response time must be under 200ms at 10,000 concurrent users."

Does it provide the correct results?

The standard is a foundational framework for evaluating software product quality , replacing the older ISO/IEC 9126. It is part of the SQuaRE (Software Product Quality Requirements and Evaluation) series. Core Quality Models