Guides · By Tomasz Kordiak
Practical QA guides for SaaS teams
Checklists and decisions I go through with clients, written so you can use them without me.
QA outsourcing
QA outsourcing vs hiring a QA engineer
When to hire an in-house QA engineer and when to outsource QA: cost, time to impact, knowledge, risk and a simple way to decide for a SaaS team.
Updated 3 November 2026
API testing
API testing checklist
API testing checklist for SaaS: authentication, tenant isolation, validation, OpenAPI contract tests, pagination, errors and latency.
Updated 3 November 2026
Performance testing
Load testing before a traffic peak
How to load test a SaaS before a traffic peak: set SLOs, model real traffic, run load, stress, spike and soak tests, and fix the bottleneck.
Updated 3 November 2026
Accessibility
WCAG 2.2 checklist for SaaS
A practical WCAG 2.2 AA checklist for SaaS web apps: keyboard, focus, forms and errors, contrast, reflow, screen readers and the new 2.2 criteria.
Updated 3 November 2026
User acceptance testing
UAT with business testers
A practical guide to user acceptance testing with non-technical business testers: writing cases they can follow, assigning work, collecting evidence and signing off.
Updated 22 October 2026
Release testing
Release testing checklist
A release testing checklist for SaaS: scope from tickets, test cases, test cycle, API smoke and regression runs, manual testing, defect triage and the release report.
Updated 22 October 2026