The Diagnostics Library
Every one of these came out of a real account. They're written for whoever ends up doing the work — you, your web person, or us — and they're grouped by which of the four steps between the ad click and the booked job has failed.
If you'd rather not work through it yourself, we'll check all four steps on your account for $397.
Loading
Is the tracking code loading on your site at all — every page, every device?
Configuration
Are your ads, forms and phone taps actually wired to fire a conversion when someone acts?
GA4 Dropdown Parameter Sending Blank? The DOM Element Variable Mistake (2026)
Why a DOM Element variable reads blank on a select field, and the Custom JavaScript fix.
Step 2 · ConfigurationGTM Click Trigger Not Firing? The CSS Selector Fix That Works Every Time (2026)
The one-character fix for a Click trigger that looks correct but never matches its target.
Step 2 · Configurationfbclid in the URL But GA4 Shows Direct? Cross-Domain Tracking Fix That Works (2026)
The cross-domain fix that preserves the original traffic source when visitors move between your domains.
Step 2 · ConfigurationConsent Mode V2 Tags Won't Fire After Consent? 3 Fixes That Work Immediately (2026)
Consent Mode V2 misconfigurations that block tags even after the visitor clicks accept. Console snippets included.
Step 2 · ConfigurationGTM Tags Won't Fire? 3-Step Fix That Works in 5 Minutes (90% Success Rate)
A three-step check: inspect the dataLayer, verify trigger conditions in Preview Mode, confirm the published version matches you...
Data delivery
Is that conversion actually reaching Google Ads and Analytics — or getting lost on the way?
GTM Fires But GA4 Receives Nothing? How a Silent 404 Kills Your Tracking (2026)
How a silent 404 on the tag script kills tracking invisibly, and the one command-line check that finds it.
Step 3 · Data deliveryGA4 Events Not Reaching Google? 3 Transmission Fixes That Work (2026)
Tags fire in Preview Mode but GA4 shows nothing. Diagnosing the gap between the browser and Google's servers.
Step 3 · Data delivery · Bridge postGoogle Ads Not Recording Conversions? 5 Fixes for Complete GTM Setup (2026)
The closest diagnostic to a local-service reader: ads spending, conversions not recording. Five fixes.
Processing
Is what arrives being counted correctly — no double-counting, no dropped calls, no silent filtering?
Running ads for a local service business?
This diagnostic is the technical version. If you're a contractor and the short version is "Google Ads says four leads and we booked nineteen jobs," we'll check all four steps on your account and tell you which one is failing.