The Blog

QA Testing Guides & Insights

Practical guides on accessibility, Playwright automation, AI testing, and QA fundamentals, written by engineers who do this work.

QA Fundamentals6 min read

RedQA Now Serves US Clients: Professional QA Testing Available Across the United States

RedQA is now fully available to US-based companies. Learn how our UK QA agency delivers remote manual testing, Playwright automation, and accessibility audits to startups and enterprises across the United States.

28 April 2026Read

QA Fundamentals7 min read

What is ISTQB and Do QA Engineers Actually Need It?

ISTQB is the most widely held software testing qualification. This guide explains what it is, what the certification covers, and an honest take on whether it is worth your time.

20 May 2026Read

QA Fundamentals6 min read

How to Write a Bug Report: Template and Best Practices

A well-written bug report gets fixed faster. This guide covers the essential fields, a reusable template, and the mistakes that cause developers to deprioritise or close bugs without fixing them.

10 May 2026Read

Automation10 min read

Selenium vs Cypress vs Playwright: Full 2026 Comparison

Playwright, Cypress, or Selenium - which automation framework is right for your team in 2026? We compare speed, browser support, language options, debugging, and real-world fit.

30 April 2026Read

QA Fundamentals8 min read

QA Testing Checklist for Product Launches: What to Test Before You Go Live

Launching a product without a structured QA checklist is how critical bugs reach users on day one. This guide covers the essential pre-launch test categories, with a downloadable checklist.

20 April 2026Read

Accessibility8 min read

The European Accessibility Act 2025: What Your Business Must Do Now

The European Accessibility Act came into force in June 2025. Here's exactly what it requires, who it applies to, and the steps UK and EU businesses must take immediately.

24 April 2026Read

Accessibility10 min read

What is WCAG 2.2? A Complete Guide for 2026

WCAG 2.2 became a W3C Recommendation in October 2023. This guide covers all nine new success criteria, what changed from WCAG 2.1, and what your team needs to do.

10 April 2026Read

Automation12 min read

Playwright vs Cypress vs Selenium: 2026 Full Comparison

Which test automation framework should your team use in 2026? We compare Playwright, Cypress, and Selenium across speed, developer experience, browser support, and CI/CD integration.

15 March 2026Read

Automation10 min read

How to Set Up Playwright with GitHub Actions: Step-by-Step

A complete guide to integrating Playwright tests into your GitHub Actions CI/CD pipeline, from initial setup to parallel test execution and HTML report publishing.

1 March 2026Read

QA Fundamentals7 min read

What is Exploratory Testing and Why Automation Can't Replace It

Exploratory testing finds the bugs that scripted tests and automation miss. Here's what it is, how it works, and why every team needs both.

15 February 2026Read

QA Fundamentals9 min read

The Complete Web Application QA Testing Checklist

A structured checklist covering every layer of web application testing: functional, visual, performance, accessibility, API, and security basics.

1 February 2026Read

AI Testing11 min read

How to Test an AI Chatbot for Accuracy and Reliability

AI chatbots fail differently from traditional software. This guide covers the testing approach for response accuracy, hallucination detection, latency, and user experience.

20 January 2026Read

AI Testing8 min read

LLM Testing: What It Is and Why It Matters in 2026

LLM testing is a new discipline addressing the unique quality risks of large language model integrations. Here's what it covers, why it's different from traditional QA, and how to get started.

5 January 2026Read

AI Testing9 min read

AI Hallucination Testing: How to Catch Inaccurate AI Responses Before Users Do

AI hallucination is when a model generates plausible but false content. This guide covers detection techniques, test design, and how to build guardrails into your AI product.

15 December 2025Read

QA Fundamentals8 min read

When to Outsource QA vs Hire In-House: A Practical Guide

Should you build an internal QA team or outsource? This practical guide covers the decision factors, hidden costs, and when each approach makes the most sense.

1 December 2025Read

QA Fundamentals6 min read

What is Regression Testing?

Regression testing verifies that existing software still works correctly after changes. This guide covers what it is, why it matters, and how to do it efficiently.

15 November 2025Read

Accessibility5 min read

How to Run a Free Website Accessibility Audit in 5 Minutes

You can get a detailed WCAG 2.1 accessibility report on any website in under 5 minutes using free tools. Here's exactly how.

1 November 2025Read

Accessibility7 min read

WCAG 2.1 vs WCAG 2.2: What Changed and Why It Matters

WCAG 2.2 added nine new success criteria and removed one. This guide covers every difference between 2.1 and 2.2, and what your team needs to update.

15 October 2025Read

Accessibility9 min read

The Most Common WCAG Failures (And How to Fix Them)

Based on hundreds of accessibility audits, these are the WCAG failures that appear most frequently, and exact steps to fix each one.

1 October 2025Read

Performance9 min read

Load Testing Guide: k6, Artillery, and When to Performance Test

A practical guide to load testing: the different test types, when to run them, which tools to use, and how to integrate performance testing into your CI/CD pipeline.

28 April 2026Read

Performance8 min read

Core Web Vitals: LCP, INP, and CLS Explained for 2026

A complete guide to the three Core Web Vitals: what LCP, INP, and CLS measure, what the thresholds are, common causes of failure, and how to improve each one.

21 April 2026Read

QA Fundamentals10 min read

How to Test a Mobile App: iOS and Android Guide for 2026

A complete guide to mobile app testing: the types of testing you need, real devices vs simulators, iOS and Android-specific considerations, automation tools, and the app store pre-launch checklist.

14 April 2026Read

Accessibility8 min read

Mobile Accessibility Testing: Applying WCAG on iOS and Android

How to test mobile app accessibility against WCAG criteria: VoiceOver and TalkBack testing, touch target sizes, colour contrast, text scaling, and the tools that help.

7 April 2026Read

QA Fundamentals7 min read

QA Strategy for 2026: What High-Performing Engineering Teams Do Differently

The gap between teams that ship with confidence and teams that firefight in production isn't headcount or budget. It's strategy. Here's what separates them.

26 April 2026Read

QA Fundamentals9 min read

How to Build a QA Process From Scratch

No QA process yet? This guide walks you through building one that actually works, from your first test plan to a repeatable release cycle your team trusts.

8 May 2026Read

Automation10 min read

Getting Started with Playwright: A Beginner's Guide to Browser Automation

New to Playwright? This step-by-step guide covers installation, writing your first test, selectors, assertions, and running tests in CI. Everything you need to go from zero to a working test suite.

8 May 2026Read

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