Playwright MCP and Regression Testing: Create with the Agent, Replay Without an LLM
Playwright MCP lets an AI agent test your site. For regression testing, the agent creates the scenario and Delta-QA replays it identically.
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News, tutorials and best practices for visual testing
Automating a Test Plan: From Document to No-Code Regression Testing
Your test plan is complete but rarely run in full anymore. Here is how to turn it into automated regression tests, without writing a line of code.
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RGAA and Regression Testing: Keeping a Site Accessible on Every Release, Without Code
The RGAA is France's WCAG-based accessibility framework. See which criteria regress most often after a release, and how to catch them without code.
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Code coverage vs test coverage: Why front-end escapes classic metrics
100% code coverage doesn't guarantee UI quality. Discover why metrics lie about front-end quality and what visual testing reveals.
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Visual testing for regulated environments: SOX, HIPAA, FDA, and audit trail
Banking, healthcare, pharma require audit trails. Visual testing provides timestamped evidence for GDPR, SOX, HIPAA, and FDA compliance.
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Automated root cause analysis: Why your button changed color (and how to know in 3 seconds)
A visual test fails: CSS, font, layout or DOM? Discover how automated visual root cause analysis identifies the exact cause of a UI bug without manual debugging.
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Visual test maintenance at scale: Strategies to reduce costs
Are your visual tests costing more to maintain than they're worth? Discover concrete strategies to reduce visual maintenance debt without sacrificing coverage.
Read more →Self-healing locators in visual testing: AI miracle or a step backward?
Self-healing locators promise to automatically fix your tests when the DOM changes. But that magic comes at a price.
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Web components and shadow DOM: The invisible challenge of visual testing
Web Components' Shadow DOM encapsulates styles, breaking most visual tools. Real browser rendering handles Shadow DOM where others fail.
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