Skip to content
cosanyasi.Product designer. Many other things.
WorkAboutWritingResume (opens in a new tab)
Let's talk
Accent
HomeWorkAboutWritingToolsI recommendContact
Visual style
Theme
Accent
© 2026 Cosanyasi. Let me be your new favourite hire.
Master resume (opens in a new tab)ExperienceSitemapFeedbackPrivacyTermsColophonYes I know it's Unneccesary.

Knowledge & research

Product testing

Watching real use reveal what a product team could not see from inside the room.

Learning paths

Resources

  • FoundationUsability testing 101 · Nielsen Norman GroupOpens in a new tab
  • Communityr/userexperienceOpens in a new tab
  • Deep diveModerated usability testing · GOV.UK Service ManualOpens in a new tab

Resource set last reviewed 9 August 2026.