Test Automation
Selenium has three waiting strategies: implicit waits (global timeout applied to all element lookups), explicit waits (wait for a specific condition using WebDriverWait), and fluent waits (explicit wait with custom polling). Always use explicit waits. Never use time.sleep(). Implicit waits cause slow, unpredictable tests when mixed with explicit waits.
Test Automation
GitLab CI/CD automates your build, test, and deploy pipeline using a .gitlab-ci.yml file in your repository root. Define stages (build, test, deploy), write jobs that run shell commands inside Docker containers, and GitLab Runners execute them on every push. This guide covers everything from your first pipeline to
Test Automation
Puppeteer is a Node.js library, but Python developers can use Pyppeteer — an unofficial Python port. This guide covers installation, common automation tasks, and the gotchas you'll hit with Pyppeteer. If you need production-grade browser automation in Python, Playwright is the better-maintained choice. Key Takeaways Pyppeteer is Puppeteer
AI Testing
A new wave of AI QA tools — led by Canary (YC W26) — requires read access to your entire codebase before they can write a single test. That's a real tradeoff — and for many teams, it's a dealbreaker. Browser-based AI testing tools like HelpMeTest achieve the same
Test Automation
Python web scraping uses libraries like BeautifulSoup for static HTML and Selenium or Playwright for JavaScript-heavy sites. This tutorial covers both approaches with working code examples — then explains why modern AI testing tools can handle scraping automatically without writing selector code that breaks every time a site updates. Key Takeaways
QA Fundamentals
A test case describes a specific scenario to verify that software behaves correctly. Good test cases are precise enough to repeat reliably, cover both happy paths and edge cases, and are written before or alongside the code they test. This guide covers the standard format, how to identify what to
Agencies
A Shopify theme update ships on a Tuesday morning. It changes the checkout button's class from btn-cart to cart-btn. The button still looks correct. But the app that manages your client's abandoned cart emails can no longer find it — and silently stops tracking. By Friday, checkout
Test Automation
Headless Chrome runs the Chrome browser without a visible UI. It's the default mode for browser automation in CI/CD pipelines because it's faster, uses less memory, and works on servers with no display. This guide covers how to run headless Chrome with Playwright, Puppeteer, and
Agencies
Your agency has a process for everything — project kickoffs, client handoffs, invoice follow-ups. But does it have a written, repeatable process for verifying that a client website actually works? If not, this is that process. Key Takeaways A website testing SOP turns ad hoc clicking into a repeatable, delegatable process.
Comparisons
Canary is an AI QA tool for engineering teams that want to connect their source code and generate tests from PR diffs. If you need a Canary alternative — because you can't share source code access, need non-engineers to write tests, want 24/7 monitoring, or need predictable flat
Test Automation
Playwright locators are how you find elements on a page. The best locators use accessible attributes — role, label, placeholder, text — because they match how users interact with the page, not how it was built. This guide covers every locator type, when to use each, and how to filter and chain
AI Testing
AI testing uses machine learning to make software testing faster, more reliable, and less dependent on manual effort. In 2026, AI can generate test cases from a URL, automatically heal broken tests after UI changes, detect visual regressions, and prioritize which tests to run based on risk. This guide explains