Implementation recovery
GTM | Pixel | Server Side Tracking: conversions started counting again
Led end-to-end implementation of a server-side GTM container, consolidated client- and server-side tagging, managed a seamless domain migration, and delivered comprehensive training. The result: bulletproof analytics across Facebook, TikTok, Google Ads, GA4, Hyros and more—no duplicate events, no data gaps.

What was broken
- Fragmented tracking across multiple page builders and legacy scripts
- Potential for duplicate events from hard-coded pixels alongside GTM
- Risk of data loss due to ad blockers and browser privacy changes
- Complex domain migration requiring DNS and tag continuity
What we rebuilt
- 01Consolidated all tags into a single GTM container (client + server)
- 02Deployed Custom Server server-side tracking to bypass blockers
- 03Removed legacy scripts and enforced a single source of truth
- 04Managed DNS updates and container code swap during domain switch
- 05Built QA protocols and provided hands-on training with documentation
What started working again
- Achieved 99% data accuracy and eliminated duplicate event firing
- Ensured seamless, uninterrupted tracking through domain migration
- Centralized tag management for faster updates and easier debugging
- Empowered the client with clear documentation and video tutorials
“Hassan was an absolute pleasure to work with! His expertise in setting up Google Tag Manager was clear from the start, and he delivered an incredible setup that exceeded our expectations. He listened closely to our needs and implemented exactly what we were looking for. Hassan's knowledge, professionalism, and commitment to getting the job done right made the whole process smooth and efficient. Highly recommended for anyone needing GTM expertise or analytics support!”
NNick Ahrens
Digital Markerting Agency Owner
Delivery path
- 01
Audit Existing Tracking
Performed a full audit of current GTM, hard-coded pixels and tag setups across multiple page builders.
- 02
Server-Side Container Setup
Configured and secured a server-side GTM container via Custom Server to bypass ad blockers and privacy restrictions.
- 03
Pixel & Tag Deployment
Deployed Facebook, TikTok, Hyros, HubSpot, Google Ads conversion & remarketing tags, and GA4 through GTM.
- 04
Domain Migration Support
Coordinated DNS updates and migrated tracking code from thought-leader.com to leadr.co across all properties.
- 05
Spreadsheet-Driven Rollout
Prioritized and instrumented URLs based on the client's spreadsheet of pages and key user flows.
- 06
Testing & Debugging
Executed end-to-end QA across desktop, mobile, live & staging environments, resolving discrepancies.
- 07
Training & Handoff
Delivered detailed documentation and Loom videos on adding, testing and maintaining tags in GTM.
Stop another blind week
Phone ringing. Meta empty. Path clear after we name the restriction.