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Tracking & Pre-fill help you understand where submissions come from and make forms faster to complete for specific audiences. FormHug tracking links and pre-fill link settings This is useful for lead generation, partner campaigns, event invitations, and source-specific survey links.

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Source Tracking

Create named tracking links for each traffic source. Each link uses the same form URL but tags submissions with the source name, so you can see where responses originated. Common tracking sources: Each tracking link has a Copy Link button and a QR code icon for quick sharing.
1

Open Tracking & Pre-fill

Go to your form → Settings → Tracking & Pre-fill.
2

Add a source

Enter a name for the source (e.g. instagram).
3

Copy the link

Copy the generated tracking link and use it when sharing to that channel.
Generate a link with certain fields already completed. Useful for personalized invitations or when you already know some of the submitter’s data.
1

Open Tracking & Pre-fill

Go to your form → Settings → Tracking & Pre-fill and find the Pre-fill section.
2

Name the link

Enter a descriptive name so you can identify this pre-fill link later.
3

Set field values

Choose which fields to pre-fill and enter the values.
4

Copy the link

Copy the generated URL with pre-fill parameters included.
Use a pre-fill link with a locked field to pass a referral code or event name that submitters can’t change.

Share Link

Publish and share your form

Submissions

View and filter your responses

Lead Generation Guide

Learn how to structure campaign forms and track response sources

Lead Generation Templates

Start from demo, quote, callback, and early-access forms
Last modified on May 15, 2026