TL;DR
- website testing qa checklist 2026
- For website owners and developers who want to ensure the site works correctly.
Who this is for
- For website owners and developers who want to ensure the site works correctly.
Keyword (SEO)
- website testing qa checklist 2026
Responsiveness tests
- Mobile (320px, 375px, 414px)
- Tablet (768px, 1024px)
- Desktop (1280px, 1920px)
- Check all breakpoints
Browser tests
- Chrome, Firefox, Safari, Edge
- Mobile Safari (iOS)
- Mobile Chrome (Android)
- Check older versions (2 years back)
Performance tests
- Lighthouse score > 90
- Core Web Vitals in green
- Images optimized
- CSS/JS minified
SEO and accessibility tests
- Meta tags (title, description)
- Alt texts for images
- Semantic HTML
- ARIA labels for screen readers
FAQ
How long does website testing take?
Basic tests: 4-8 hours. Full QA tests: 1-2 days. Depends on site complexity.
Do I need to test on all browsers?
No, but at least Chrome, Firefox and Safari. Mobile Safari is crucial for iOS.
Want this implemented for your business?
About the author
Developer at DevStudio.it. Focused on performance, SEO and production-ready web apps.
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