Conversion tracking breaks silently. A developer refactors a form component, a CMS update changes button class names, or a tag manager rule stops matching. The result is the same: your GA4 reports show fewer conversions than actually occurred, and your team makes decisions based on incomplete data. Most B2B marketing teams discover broken tracking weeks or months after it happens, often when a stakeholder asks why demo requests dropped to zero in the dashboard despite the sales team being busy.
What a conversion tracking audit covers
A thorough conversion tracking audit verifies that every critical user action on your site fires the correct analytics event. For most B2B sites, the critical events are: CTA button clicks (cta_clicked), form submissions (form_submitted), signup initiation (signup_started), signup completion (signup_completed), demo request submissions, and any purchase or payment events. The audit should check each event against three criteria: does the event fire when the user performs the action, does it include the correct parameters (page URL, button ID, form name), and does it appear in GA4 real-time reports within a few seconds.
Running the audit without code access
You do not need engineering access to audit your conversion tracking. Open your site in Chrome, open DevTools (F12), navigate to the Network tab, and filter by "collect" to see GA4 measurement protocol requests. Perform each conversion action (click a CTA, submit a form, complete a signup) and verify that a network request fires with the expected event name. For Google Tag Manager, use the GTM Preview mode: navigate to tagmanager.google.com, click Preview, enter your site URL, and perform each conversion action. The Tag Assistant panel shows which tags fired and which did not.
For teams without technical comfort, tools like ClimbPast automate this entire process. The tracking health feature scans your site for CTAs, forms, and conversion points, then checks which analytics events actually fire. It reports active events, missing events, and confidence levels for each, giving your marketing team a clear view of tracking health without opening DevTools.
Common causes of broken tracking
The most frequent causes of broken conversion tracking are: CSS class name changes that break GTM trigger selectors, single-page application navigation that prevents pageview events from firing, consent management platforms that block analytics scripts before user opt-in, ad blockers that prevent GA4 requests entirely, and race conditions where the analytics library has not loaded when the user performs a conversion action. Each of these can be detected during an audit by testing with different browser configurations, consent states, and network conditions.
Building a recurring audit schedule
A one-time audit catches current issues but does not prevent future breakage. Establish a recurring audit cadence: weekly for high-value conversion events (demo requests, purchases), monthly for secondary events (CTA clicks, page scroll depth). Compare your GA4 event counts against expected baselines. If demo request events drop below your historical weekly average, investigate immediately. Automated tracking health tools can run these checks continuously and alert your team the moment an event stops firing, reducing the mean time to detection from weeks to hours.