Playwright

Playwright is the strongest open-source browser automation framework and the engine a lot of testing sits on, including ours. These pages cover using it well, its first-party test agents, and the maintenance realities of a selector-bound suite.

27 articles, newest first.

Illustrated Shiplight blog cover: three glossy labelled agent tiles in sequence, the first drafting a plan card, the second producing a test file, the third repairing a cracked test back to a bright green checkmark.
GuidesEngineering

Playwright's Test Agents: Planner, Generator and Healer

Illustrated Shiplight blog cover: a glossy browser window wired through a glowing protocol connector to an AI agent, the page rendered beside it as a clean structured accessibility tree of labeled nodes.
GuidesEngineering

Playwright MCP: Giving AI Agents a Real Browser in 2026

Illustrated Shiplight blog cover: one automation library card driving a single browser engine beside another driving three browser engines in parallel.
GuidesEngineering

Playwright vs Puppeteer: Which Browser Automation Library?

Diagram of the two UI regression testing layers: functional flow replay and visual snapshot comparison feeding one PR gate
GuidesTool Comparisons

Best UI Regression Testing Tools in 2026: Functional and Visual Compared

Before-and-after UI panels compared side by side with one changed region outlined in indigo and a green pass check, illustrating visual verification approaches beyond pixel diffing
GuidesTool Comparisons

Best Applitools Alternatives for Visual and UI Testing (2026)

Four-tier stack diagram of E2E testing tool generations, from code frameworks at the base through no-code platforms and managed services to an agent-native tier highlighted in indigo with a green pass check
GuidesTool Comparisons

Best E2E Testing Tools in 2026: The Complete Comparison

Diagram of a single all-in-one platform block splitting into four alternative paths: open-source frameworks, AI-native repo-based testing, no-code cloud platforms, and managed services, with the AI-native path highlighted in indigo
GuidesTool Comparisons

Best Katalon Alternatives for Modern Test Automation (2026)

Layered stack diagram showing an execution framework at the base and three branching alternative approaches above it: code frameworks, no-code platforms, and an agent-native approach highlighted in indigo
GuidesTool Comparisons

Best Playwright Alternatives in 2026: Frameworks, Platforms, and Agent-Native Testing

Three-lane pipeline diagram showing author, run, and maintain stages, with an agent-driven lane highlighted in indigo and a green healed checkpoint at the maintain stage
GuidesTool Comparisons

Best Testsigma Alternatives for Test Automation (2026)

Pipeline diagram showing a pull request producing a Vercel preview URL, E2E tests running against it, and a green check gating the merge
GuidesEngineering

How to Test Vercel Preview Deployments Automatically

Illustrated Shiplight blog cover: a glossy indigo Shiplight panel and a translucent browser-engine block working together, connected by soft light beams, with a bright green verified checkmark badge glowing between them.
Guides

Shiplight vs Playwright: Which Should You Use? (2026)

Self-healing test automation implementation layers (primary locator, fallback attributes, heuristic, AI resolution) with a green check on the right
AI TestingBest Practices

How to Implement Self-Healing Test Automation Effectively

Side-by-side comparison panel of Playwright and Selenium with an enterprise scorecard for speed, browser coverage, scalability, and maintenance cost
GuidesEngineering

Playwright vs Selenium for Enterprise-Grade Browser Automation (2026)

SaaS E2E testing dashboard showing browser automation with green test results and CI/CD pipeline
GuidesEngineering

SaaS E2E Testing: A Complete Guide for Modern Teams

AI automatically healing broken E2E test results - red failures turning into green checkmarks
AI TestingTool Comparisons

Best Self-Healing Test Automation Tools in 2026, Compared by Healing Mechanism

Illustrated Shiplight blog cover: a glossy CI pipeline of connected rounded blocks running an end-to-end browser test, ending in a bright green passing gate.
GuidesEngineering

E2E Testing in GitHub Actions: Setup Guide (2026)

Illustrated Shiplight blog cover: a glossy unstable flickering test card being settled onto a solid base, its red flicker resolving into a steady bright green checkmark.
GuidesEngineering

How to Fix Flaky E2E Tests: Root Causes and Permanent Fixes

Illustrated Shiplight blog cover: two glossy test cards balanced side by side, one AI-generated marked with a chip and one hand-written marked with a pen.
AI TestingTesting Strategy

AI-Generated Tests vs Hand-Written Tests: When to Use Each

Illustrated Shiplight blog cover: a glossy fan of alternative testing-tool option cards with one glowing green as the best-fit alternative.
Guides

Best Cypress Alternatives for Modern E2E Testing (2026)

Illustrated Shiplight blog cover: a glossy row of modern testing-tool cards replacing an older framework block, one highlighted green.
Guides

Best Selenium Alternatives for AI-Native Testing (2026)

Illustrated Shiplight blog cover: a glossy open guidebook with layered end-to-end testing concept icons rising from its pages and a green verification checkmark.
Testing StrategyEngineering

The Complete Guide to E2E Testing in 2026

Illustrated Shiplight blog cover: a glossy no-code visual test-builder interface presented as an alternative, with drag-and-drop blocks and a green checkmark.
Guides

Best Playwright Alternatives for No-Code Testing in 2026

Illustrated Shiplight blog cover: two glossy browser-automation framework cards balanced side by side in a clean head-to-head comparison.
Guides

Playwright vs Cypress: Which Testing Framework in 2026?

Illustrated Shiplight blog cover: a glossy AI core chip emitting light that condenses into freshly formed test cards, the nearest one stamped with a bright green checkmark.
Testing StrategyAI Testing

What Is AI Test Generation?

Illustrated Shiplight blog cover: a glossy no-code visual test builder with drag-and-drop blocks assembling into a test with a bright green checkmark.
Testing StrategyAI Testing

What Is No-Code Test Automation?

Illustrated Shiplight blog cover: a glossy cracked test card mending itself back together, the crack closing as a bright green checkmark appears over it.
Testing StrategyAI Testing

What Is Self-Healing (Auto-Healing) Test Automation?

Illustrated Shiplight blog cover: a glossy no-code drag-and-drop test builder on the left transitioning along a smooth arrow into an AI-native intent-driven test with a bright green checkmark on the right.
Engineering

From Human-First to Agent-First Testing: What a Year of Building Taught Us

Other topics

Agent-Native TestingFlaky TestsSelf-Healing TestsMCP and Agent ToolingAI Coding AgentsEnd-to-End TestingCI and Release GatesTesting AI FeaturesTool ComparisonsEnterprise and ComplianceQA FoundationsSpec-Driven DevelopmentNo-Code and Natural-Language TestingAI Testing StrategyAgentic QA

See testing that keeps up with your AI coding agents.