Device and OS Version Selection Strategies for Effective Mobile Automation Testing
Irfan Mujagić wrote a helpful guide to choosing the right approach for testing on mobile devices, including some insightful sites with metrics and stats.
An Introductory Guide to Web Performance Testing
Marie Cruz wrote a detailed guide on web performance testing, including examples of metrics to measure and helpful tools to use.
What is my SLO and how do I test It?
Service Level Objectives are important metrics of service performance. Sarah Zipkin wrote a great, detailed guide to measuring them using k6.
Test Automation Key Performance Indicators (KPIs)
Gaurav Verma explains the importance of KPIs, suggests which ones to use for test automation, and shows an example of a test automation coverage metric.
QA myth busting: Quality can be measured
Vitaly Sharovatov wrote a great article explaining why it's hard to measure quality and gives examples of several metrics that can be used as signals rather than measurements.
Developing a Software Quality Strategy
This is a good high-level overview by Summer Weisberg of what steps are needed to create a software quality strategy including metrics, methodologies and processes.
Bug count by itself is a dangerous metric. Kristin Jackvony explains why we should approach it with caution, taking into account different scenarios.
Introducing a QA Process to a new team
Joining a new team and wondering how to kick off testing processes? There are several detailed pieces of advice from the testing community on what to do.
Furthermore, Katja Obring shares a perspective of The Solo Tester's Dilemma: When Enterprise Metrics Don't Fit.
What are the good KPI for QA Engineers in Agile Software Development?
Looking for quality metrics and KPIs? Someone asked about it on Reddit and people responded with a lot of examples. Interestingly, most of them around what not to measure.
Additionally, Robert Cui wrote about Value-Driven Software Performance Testing and suggests some metrics, too.
Architecture testing for performance — how to guarantee a highly efficient system?
Bartosz Łuczak and Joanna Zembaczyńska explain in much detail the best practices for testing for performance, based on the project they've implemented.
Additionally, Cedric Damian shared a solid overview of the Metrics in Performance testing.