Discover how to capture UTM parameters and attribute leads to channels like Paid Search, YouTube, and more—directly in Squarespace forms.
Why Standard Analytics Falls Short Google Analytics reveals visitor sources but fails to show where leads and customers originate—especially critical for businesses closing deals offline (e.g., email/phone follow-ups). Without this data, optimizing marketing spend becomes guesswork.
The Solution: Capture UTM Parameters in Forms
Attributer bridges this gap. It auto-tracks visitor sources (Google Ads, YouTube, social campaigns, etc.) and passes the data to Squarespace via hidden fields. Here’s how:
Table of Contents
4 Steps to Capture Lead Sources in Squarespace
1. Add Hidden Fields to Forms
In your Squarespace form editor:
- Click Add Field → Select Hidden
- Create fields:
Channel,Channel Drilldown 1,Channel Drilldown 2,Landing Page. (Example: A visitor from “Brand Campaign” on Google Ads populates these automatically.)

2. Attributer Auto-Fills Source Data
When a lead submits a form:
- Attributer injects UTM parameters (e.g.,
utm_source=google,utm_campaign=brand) into hidden fields. - Captures granular details:
Channel: Paid SearchDrilldown 1: GoogleDrilldown 2: Brand Campaign

3. Data Appears in Squarespace & Integrations
Lead sources sync with:
- Squarespace Contacts (see screenshot below)
- CRM systems (Salesforce, HubSpot, Pipedrive)
- Email notifications
4. Run Source-of-Truth Reports

Export data to spreadsheets or CRMs to analyze:
- Leads by channel (Organic vs. Paid)
- Revenue from Facebook/Instagram ads
- ROI per Google Ads campaign
3 Essential Reports for Marketers
1. Leads by Channel
Compare monthly lead volume from:
- Organic Search
- Paid Social
- Email Campaigns → Shift budget to high-performing channels.

2. Customers by Google Ads Campaign
Track which campaigns drive conversions:
- Brand Campaigns
- YouTube Retargeting
- Competitor Keywords → Double down on top performers.

3. Revenue by Facebook Network
Measure ROI across platforms:
- Instagram vs. Facebook vs. Messenger
- Combine ad spend data to calculate true ROI.

What Makes Attributer Unique?
- Lightweight Code: One snippet installed on Squarespace.
- UTM Parameter Tracking: Automatically captures
utm_source,utm_medium, etc. - CRM-Ready: Pipes lead sources to Salesforce, HubSpot, and more.
- Built for Marketers: Created by growth experts to solve the “dark funnel” problem.
Trusted by 4,000+ businesses to track 8M+ monthly visitors.
Ready to Transform Your Analytics?
Start your 14-day Attributer trial today—no credit card required. Implement tracking in under 10 minutes and unlock your first campaign report by tomorrow.
