Fireshift / Help / No container found

Why the scan says "no container found"

By the Fireshift team · Updated 2026-11-05

Short answer

We give no score when the homepage, /pricing, /signup and /demo load no public Google Tag Manager or Google tag container we can read. The usual reasons: tags load only after cookie consent, the container is served from your own domain (server-side GTM), the site loads tags through Segment or another tool, or the site blocks automated requests. A live browser visit usually settles which it is.

The usual reasons

ReasonHow to tellWhat we do
Tags wait for consentPage source has no GTM- until you accept the bannerA live visit accepts the banner and logs what fires
First-party (server-side) GTMThe script loads from your own subdomain, not googletagmanager.comThe live visit flags "tag script loads from a first-party host"
Segment, Tealium or a CMP loads the tagsPage source shows analytics.load( or the vendor's scriptLive hits still show what reaches Google and Meta
The site blocks automated requestsWe get an error or a challenge pageWe report it. We don't use bot-detection workarounds.
No Google tags at allNothing in source and nothing in the Network tabNothing to score

In our 5 Nov 2026 study, 1,298 of 1,727 sites (75.2%) served a container we could read. The rest fell into the rows above.

Check it yourself

  1. View source on your homepage and search for GTM- and gtag.
  2. Open DevTools, Network, reload, and filter on gtm. Note the host the script comes from.
  3. Accept the banner and look again.

If you see a container we missed, reply to the scan email with the ID and we'll rerun it.

FAQ

Does server-side GTM break the scan?

Partly. The web container is still read if it is public; events your server sends on its own are invisible from outside.

Will you try harder to get past a block?

No. We don't evade bot detection. If you own the site, you can allowlist the scan or send us the container ID.

Check your own site, free.

Fireshift reads what your site tells Google Ads, GA4 and Meta from the outside. No install, no account access.

Scan my site

See a sample reportOr have us fix it: Fix Sprint, €1,500