WordPress forms

WPForms Listener for GTM: AJAX, Page Reload and Redirect Confirmations

Tracks WPForms submissions in GTM whether the form confirms by AJAX, reloads the page or redirects, with fields keyed by their labels and Enhanced Conversions data built in.
EC-ready, Redirect-safe, CAPI dedupe, Tracks failures

Free and MIT licensed. Paste it into a GTM Custom HTML tag. No plugin or code change on the site.

At a glance

Version

3.3.0

Updated

October 28, 2026

Success event

wpforms_form_success

Failure event

wpforms_form_failed

Detection

wpformsAjaxSubmitSuccess + confirmation render

Redirects

Yes: postback pages and same-domain thank-you recall

Enhanced Conversions

Yes: email, phone, name, address, optional SHA-256

Dependencies

None. Uses jQuery hooks when present

Tag size

38.4 KB

License

MIT

What lands in your dataLayer

One clean event per real lead

Every success carries an event ID for Meta deduplication, the detection method that fired, and normalized contact fields you can map straight into Enhanced Conversions. Keep the PII keys out of GA4.

				
					{
  event: "wpforms_form_success",
  ec_event_id: "uuid-v4",
  ec_detection_method: "confirmation_event",
  ec_tracker_version: "3.3.0",
  ec_name: "Jane Doe",
  ec_first_name: "Jane",
  ec_last_name: "Doe",
  ec_email: "jane@example.com",
  ec_phone: "+15551234567",
  form_url: "https://example.com/contact",
  form_cta: "Submit",
  form_platform: "wpforms",
  form_position: "top",
  form_index: 1,
  form_id: "12",
  ec_submit_attempt: 1,
  ec_time_to_submit_s: 42,
  ec_fast_submit: false,
  ec_first_source: "google",
  ec_first_medium: "cpc",
  ec_click_id: "Cj0K...",
  ec_click_id_type: "gclid"
}
				
			

Why this listener exists

WPForms confirms some forms by AJAX, reloads the page for others, and many sites redirect to a thank-you page. A click trigger counts validation errors, and a thank-you trigger counts refreshes.

This listener handles all three WPForms outcomes and keys each field by its visible label, so your dataLayer reads Email instead of wpforms[fields][1].

Most form tracking fires on a button click or a thank-you page view. Clicks count validation failures and repeat clicks. Thank-you page views count refreshes, back-button visits and bookmarked links. This listener waits for WPForms’s own success signal, so the event is much closer to a real lead.

How it detects a real submission

wpforms_form_success fires on the first of these success paths:

  • jQuery wpformsAjaxSubmitSuccess (AJAX forms)
  • A .wpforms-confirmation-container rendering
  • A non-AJAX postback confirmation page, matched to data stored at submit
  • The form being removed, or the page unloading, after submit (inferred)

wpforms_form_failed fires on wpformsAjaxSubmitFailed or when WPForms renders a field error after the visitor has interacted with the form.

Every event carries ec_detection_method, so you can segment reports by how each lead was detected.

ec_detection_method Event What it means
confirmation_event Success The platform’s own success event fired
confirmation_class Success The form gained the platform’s success class
stored_recall Success Same-domain thank-you page, matched to data stored at submit
form_removed Success The form was removed or hidden after a valid submit
pagehide Success The page unloaded inside the submit window with no error showing (fallback)
error_class Failure The form gained the platform’s error class

Install it in Google Tag Manager

  1. Download the GTM tag above, or copy wpforms-form-tracker.gtm.html from the GitHub repository.
  2. In GTM, create a Custom HTML tag and paste the file in. It already includes the <script> wrapper and a production config block (debug: false, rawFields: false).
  3. Trigger it on All Pages (Page View), or on Consent Initialization if your consent setup needs the tracker available early.
  4. Create a Custom Event trigger for wpforms_form_success. Use the regex ^wpforms_form_(success|failed)$ if you also want failures.
  5. Create Data Layer Variables for the keys you need, then attach your GA4, Google Ads, Meta or server-side GTM tags to the trigger.
  6. Open Preview, submit a real test form and confirm one wpforms_form_success. Then publish.

Retire any old click or thank-you page conversion for the same form, otherwise each lead is counted twice. Do not run this listener and the Universal tag on the same page.

Platform notes

  • Field keys come from .wpforms-field-label text plus sub-labels such as First and Last.
  • The honeypot (wpforms[hp]) and HTML fields are excluded.
  • Storage is namespaced (ec_wpforms_form_data), so it can run next to the other single-platform listeners.

Events and dataLayer keys

Key What it holds
event wpforms_form_success, wpforms_form_failed, ec_form_interaction (first real input) or ec_tracker_initialized (script loaded)
ec_event_id UUID per event. Pass it to Meta as the event ID so browser and CAPI events deduplicate
ec_detection_method Which success or failure path fired (see above)
ec_email, ec_phone Email lowercased and validated, phone in E.164. Removed when PII consent is denied
ec_name, ec_first_name, ec_last_name Name, split into first and last where possible
ec_company, ec_street, ec_city, ec_region, ec_postal_code, ec_country Address and company fields for Enhanced Conversions, when the form has them
form_id, form_platform, form_cta Form identifier, platform name and submit button text
ec_submit_attempt, ec_time_to_submit_s, ec_fast_submit Attempt number, time from first input to submit, and a bot hint for very fast submits
ec_failed_fields On failure events: which fields failed validation
ec_first_source, ec_last_source, ec_click_id First and last touch attribution with gclid, gbraid, wbraid, fbclid, msclkid or ttclid
ec_pii_redacted true when PII consent is denied and PII keys were stripped

Using it for Enhanced Conversions and Meta CAPI

  • Google Ads Enhanced Conversions: map ec_email, ec_phone and the name and address keys into a User-Provided Data variable on your conversion tag.
  • Meta Pixel and CAPI: send ec_event_id as the event ID on both the browser and server event so Meta counts the lead once.
  • GA4: do not send ec_* PII to GA4. Its terms prohibit PII in event parameters. Send form_id, form_platform and ec_detection_method instead.

Configuration and consent

Edit the config block at the top of the tag:

Key Default Notes
debug false Console logs. Testing only
hashPii false Adds ec_email_sha256 and ec_phone_sha256 (needs HTTPS)
rawFields false Leaves ec_raw_fields out of the payload
dedupe true Suppresses a repeat success for the same form and person within 5 minutes
strictSuccess false true drops inferred successes (pagehide, form_removed)
defaultCountryCode '1' Phone E.164 fallback. A country field on the form takes priority
countryCodeField '' Exact field name that holds an ISO2 or dial code
redactFields [] Extra field names to strip. Password, card, SSN and IBAN fields are always stripped

The tracker auto-detects Google Consent Mode v2, OneTrust and Cookiebot. With analytics consent denied, nothing fires and nothing is stored, and events raised in the meantime are replayed if consent is granted. With PII consent denied, events fire without contact data. Any other CMP can be wired in with window.EC_FORM_CONSENT_CHECK. If no CMP or override is found, the tracker assumes full consent, so match it to your own legal requirements.

Test it before you publish

  • Submit a valid form. Expect one wpforms_form_success.
  • Submit with a required field empty. Expect wpforms_form_failed and no success event.
  • Fix the error and resubmit. Expect one success.
  • Refresh the confirmation or thank-you page. Expect nothing new.
  • Run window._ecFormTrackers.wpforms.status() in the console to see version, consent state, attached forms and the last event.

Known limitations

  • Without jQuery, AJAX success relies on the confirmation container render.
  • A redirect to a different domain cannot use same-domain recall.
  • Bot or spam submissions that pass the platform’s own validation still count as success.
  • Phone normalization is best-effort.

Changelog

  • 3.3.0: first public standalone release, cut from the Universal tracker v3.3.0. Same core: consent gate with replay, PII redaction, optional SHA-256 hashing, 5-minute dedupe, ec_event_id, attribution, failure diagnostics and strictSuccess.

Feedback and field notes

Used this listener? Tell others what worked: your platform version, setup, or a tip. Found a bug? Open an issue on GitHub for a faster fix. Comments are reviewed before they appear.

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