First visit study
Create a consented prototype task and inspect real participant sessions.
Create a task for an authorized static HTML prototype. Share the study JSON manually. A volunteer imports it here, consents, interacts, and returns their session JSON. External live sites and uploaded JavaScript are not instrumented.
Only data images, CSS and in-page links are supported. Scripts, external navigation and network requests are removed. No field values, screen recording, names or email addresses are recorded.
How it works
- Review your inputs and the supported scope.
- Set constraints, run the operation and inspect the evidence.
- Reopen downloaded output before using it.
Example & practical use
Enter your own files or measurements; review the computed result and its stated limits.
Limits and help
Static uploaded HTML prototype; local study/session files are shared manually. No participants or results are invented.
Your files are yours.
Image and text processing happens in your browser. Your files are not uploaded to our servers.
Troubleshooting
Try the small example on this page first. If it works, check your input format and size limit. Save any needed input before reloading. You do not need to share a file or password to report an issue.