How do I install a visitor ID tag on HubSpot CMS?
On HubSpot CMS, your visitor identification tag goes in: Design Manager > File section > Upload .js file OR module.js in custom modules OR Landing Pages > Settings > Advanced > Header/Footer HTML. The install itself takes minutes; the part that goes wrong on HubSpot CMS is below.
Where the tag goes
- Design Manager > File section > Upload .js file OR module.js in custom modules OR Landing Pages > Settings > Advanced > Header/Footer HTML.
- Paste your vendor’s tag snippet exactly as issued. Do not wrap it in extra script tags or reformat it.
- Publish or deploy, then verify (below) before trusting data.
What breaks visitor tracking on HubSpot CMS?
JavaScript is render-blocking by default; HubSpot places require_js scripts in footer to avoid blocking page render.
How do you verify the tag fires?
Inspect page source and verify script tag appears with correct src attribute pointing to HubSpot CDN.
Then run through the labeled QA checklist before you rely on the numbers, and set expectations with the match-rate calculator — no vendor identifies every visitor.