Guides, checklists and case studies for testers: mobile QA, automation, tooling, real-world incidents.https://quality-assurance.cc/https://quality-assurance.cc/en/blog/classical-qa-is-dying/https://quality-assurance.cc/en/blog/classical-qa-is-dying/The classical QA approach was built on a simple idea — if we test thoroughly before release, we can trust the system after release. Today that no longer works. Here's what needs to change.Wed, 13 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/visual-regression-testing-guide/https://quality-assurance.cc/en/blog/visual-regression-testing-guide/Functional test is green, button clicks, form submits — and the user looks at the screen and sees the icon shifted 4 pixels left and overlapping the text. Visual regression closes that gap.Wed, 13 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/claude-for-qa-engineers/https://quality-assurance.cc/en/blog/claude-for-qa-engineers/AI assistants have moved from 'novelty' to legitimate working tool. For QA, this is especially powerful — routine tasks like test-case generation, log triage, prompt-shaped data.Tue, 12 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/push-notifications-checklist/https://quality-assurance.cc/en/blog/push-notifications-checklist/Push notifications are one of the most under-tested features in mobile apps. A QA checklist usually says 'arrived / not arrived'. But there are dozens of real cases hiding behind it.Tue, 12 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/iap-testing-mobile-game/https://quality-assurance.cc/en/blog/iap-testing-mobile-game/IAP is the most expensive code segment for a bug. One missed case of 'money charged, item not granted' means support tickets, refunds, bad reviews, and retention at risk.Mon, 11 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/maestro-vs-appium-2026/https://quality-assurance.cc/en/blog/maestro-vs-appium-2026/Appium has held the throne since 2014, but if you're picking a stack for mobile UI tests today — look at Maestro. Faster to install, simpler to write, and for casual projects often covers 100% of needs.Sun, 10 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/proxyman-for-qa/https://quality-assurance.cc/en/blog/proxyman-for-qa/HTTP/HTTPS traffic between an app and a server is the single biggest source of mobile bugs that are hard to reproduce: analytics, IAP, ads, remote config, A/B tests, push notifications.Sun, 10 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/mars-climate-orbiter-327m-lesson/https://quality-assurance.cc/en/blog/mars-climate-orbiter-327m-lesson/September 23, 1999: NASA lost a spacecraft approaching Mars. No hardware failure, no communication issue. It was a benchmark bug in integration testing.Sat, 09 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/performance-mobile-game-7-metrics/https://quality-assurance.cc/en/blog/performance-mobile-game-7-metrics/'The game lags' is too abstract for a ticket. To make a performance problem reproducible, measurable and trackable — you need concrete numbers. Here are 7 metrics worth checking every release.Fri, 08 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/playwright-auto-wait/https://quality-assurance.cc/en/blog/playwright-auto-wait/If you came to Playwright from Selenium — your first instinct is to write waitForSelector before every action. 90% of the time it's redundant work: Playwright already waits for you.Wed, 06 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/localization-checklist-10-traps/https://quality-assurance.cc/en/blog/localization-checklist-10-traps/Localization is not 'run the strings through a translator'. With 5+ languages, a dozen bug classes appear that are invisible in English. A compact checklist covering 90% of real problems.Tue, 05 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/what-emulator-wont-show/https://quality-assurance.cc/en/blog/what-emulator-wont-show/Emulators speed up CI and are convenient for smoke tests, but relying on them alone is self-deception. Some problems only appear on a real device with a real load, battery and sensors.Mon, 04 May 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/testing-pyramid-is-outdated/https://quality-assurance.cc/en/blog/testing-pyramid-is-outdated/Mike Cohn's classic pyramid (2009): lots of unit, medium integration, few E2E. The model was born when UI frameworks were heavy. Now Playwright and Cypress run in seconds — what teams use instead.Wed, 29 Apr 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/dates-and-timezones-checklist/https://quality-assurance.cc/en/blog/dates-and-timezones-checklist/A 'pick a date' field looks innocent — but date/time fields fail more tests in production than anything else. Time zones, DST transitions, locales, leap years — every item has shot someone.Tue, 28 Apr 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/flaky-selenium-tests-5-reasons/https://quality-assurance.cc/en/blog/flaky-selenium-tests-5-reasons/Flaky tests are the biggest source of distrust in automation. Per the Google Testing Blog, about 1.5% of all green CI runs contained at least one flaky failure. Usually the problem is in the test, not the product.Tue, 28 Apr 2026 00:00:00 GMThttps://quality-assurance.cc/en/blog/playwright-resources-where-to-learn/https://quality-assurance.cc/en/blog/playwright-resources-where-to-learn/Playwright became the web automation standard in 2023-2025. A curated set of resources to help you switch from Selenium/Cypress or start from scratch.Sat, 21 Dec 2024 00:00:00 GMThttps://quality-assurance.cc/en/blog/adb-cheat-sheet-mobile-qa/https://quality-assurance.cc/en/blog/adb-cheat-sheet-mobile-qa/ADB (Android Debug Bridge) is the main tool for mobile QA on Android. A list of commands that are actually used during regression and bug triage.Wed, 27 Mar 2024 00:00:00 GMThttps://quality-assurance.cc/en/blog/5-books-for-tester/https://quality-assurance.cc/en/blog/5-books-for-tester/QA as a profession has classic literature — every senior engineer knows it. If you haven't read them, time to fix the gap. 5 books that shaped the modern approach to testing.Fri, 30 Jun 2023 00:00:00 GMThttps://quality-assurance.cc/en/blog/english-for-qa-free-resources/https://quality-assurance.cc/en/blog/english-for-qa-free-resources/A QA engineer without English is a career constraint. Docs, the best books, conference talks, communicating with the team abroad — it's all in English. A collection of free resources people actually use.Tue, 20 Dec 2022 00:00:00 GMT