SourceTag
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Setup

Getting Started with SourceTag

This guide walks you through setting up SourceTag from scratch. You’ll have attribution tracking running on your site in under 5 minutes.

1. Create your account

Sign up at app.sourcetag.io/signup. You’ll get a 14-day free trial. No credit card required.

2. Add your site

From the dashboard, click Add Site. Enter your domain (e.g. example.com) and an optional name.

SourceTag automatically creates default channel rules based on industry-standard channel groupings: Email, Affiliates, Paid Social, Paid Search, Display, Paid Video, Other Campaigns, Organic Social, Organic Search, Referral, and Direct.

3. Configure channels (optional)

The default channels work for most sites. If you want to customise them (for example, to add a custom “Partner” channel or rename “Paid Social” to “Social Ads”), go to your site’s Channel Rules page.

Rules are evaluated top-to-bottom. The first match wins. You can reorder, add, edit, or delete rules.

4. Configure field mapping (optional)

By default, SourceTag uses standard field names like st_fc_channel, st_fc_detail_1, etc. On the Fields page you can toggle extended field groups on or off (click IDs, raw UTMs, visitor meta) and add custom URL parameters.

5. Add hidden fields to your forms

Add these hidden fields to your form builder. Copy the field names exactly.

Core fields (add these):

st_fc_channel
st_fc_detail_1
st_fc_detail_2
st_fc_detail_3
st_fc_detail_4
st_lc_channel
st_lc_detail_1
st_lc_detail_2
st_lc_detail_3
st_lc_detail_4
st_fc_landing_page
st_lc_landing_page

Optional extended fields:

st_fc_click_id
st_lc_click_id
st_visits
st_days_to_convert
st_device
st_fc_date
st_lc_date

How you add them depends on your form builder. See your platform-specific guide for step-by-step instructions.

6. Install the script

Copy the script tag shown on the site detail page and add it to your website:

WordPress: Install the SourceTag plugin, enter your Site ID in Settings → SourceTag. The plugin handles the script injection automatically.

Webflow: Go to Project Settings → Custom Code → Head Code. Paste the script tag.

Squarespace: Go to Settings → Advanced → Code Injection → Header. Paste the script tag.

Other platforms: Add the script tag before the closing </head> tag in your site’s HTML template.

7. Test it

Visit your site with UTM parameters in the URL:

https://yoursite.com/?utm_source=test&utm_medium=cpc&utm_campaign=test-campaign

Submit a form. Check the form notification or your CRM. You should see the hidden fields populated with attribution data (e.g. st_fc_channel: Paid Search, st_fc_detail_1: test).

Important: The st_fc_channel hidden field must be present in the form. If SourceTag doesn’t find a field named st_fc_channel, it skips the form entirely.

What’s next?

Doesn't answer your question or need more help? Get in touch.