Audit any GTM container instantly
Tagstack lets you inspect, audit and export any Google Tag Manager container. No access to the container needed.
Trusted by 2000+ analytics experts at leading companies
Assess container setup quality in seconds
Tagstack lets you inspect the content of any Google Tag Manager container. Full observability and quality rating of the setup.
Augment your agentic workflow with tagstack data
Using Tagstack MCP, you can call tagstack scan and technology report directly from your LLM provider of choice.
Learn about MCPRecover any GTM container
Have you lost access to your Google Tag Manager container ? Recover it with tagstack: scan and export any container and reimport it in Google Tag Manager.
Share your audits with your team
Tagstack Saved Scan feature saved a snapshot of your container at audit time. You can then share the audit results publicly and build history to compare the evolution of the tracking setup.
Automate your audits and lead discovery with tagstack API
Call audit, save scan or get list of technologies used by a container / website directly from the API. Father useful data for your lead qualification pipeline, all automated.
Two years old and thousands users helped
Containers scanned
3 millions
Recovered containers
400+
Identified marketing technologies
50000+
Frequently Asked Questions
Try Tagstack now