See what leaves, moment by moment
Before any choice, after a refusal, after a withdrawal: each moment has its own scan, each company is named, each identifier is shown.
Learn more →● Private beta · autumn 2026See what your website really sends.
See what your website really sends.
And how to fix it.
Luminol browses like a real visitor: it rejects, accepts, then withdraws consent. It shows which data leaves, to which companies, and how to fix it in your tag manager.
example-store.comMonday's scan · 8 scenarios
WATCHEDBefore any choice2no identifier
If the visitor refuses32 identifiers
If they accept117 identifiers
After a refusal, two companies still receive an identifier.
Suggested fixPut the “Meta Pixel” tag of your GTM container behind consentRECIPE →
✓ GTM draft verified: 0 hits after refusal
✉ Monday's scan: nothing new
- A real browser, 8 consent scenarios
- Fix recipes for GTM, CMPs and code
- Hosted in France
- Exportable evidence
Use cases
From finding to verified fix, without leaving your tools.
Fix it at the source
Connect Google Tag Manager read-only: Luminol names the tag, the trigger and the container at fault, then writes the fix step by step.
Learn more →Check before you publish
Luminol loads your GTM draft in its browser and replays the refusal. You publish a fix that has already been proven.
Learn more →Let Luminol keep watch
Regular scans are included. A new tag, a new company, a republished container: you get an email, without having to sign in.
Learn more →How it works
Four steps. The first one takes ten minutes.
- 01Add your websiteAn address is enough. No script to install.
- 02Luminol plays the visitorEight scenarios: refusal, consent, withdrawal, sign-up…
- 03You fixOne recipe per cause, for GTM, your CMP or your code.
- 04It keeps watchA scan every week, an email when something changes.
Luminol Observatory
2,000 websites measured in 5 countries, with the same engine as yours.
Share of websites that contact trackers before the visitor makes any choice. Published aggregates: no website is named here.
Figures read on 13 October 2026.
Who it is for
For the teams who build the website.
Web and marketing teamsKnow what each tag really does, and prove it before going live.
DPOs and lawyersA dated scan, exportable evidence, the legal texts attached to each point.
Agencies and integratorsSeveral client sites, one space per client, fixes ready to hand over.
Are you an authority, an NGO, a law firm or a newsroom? Write to us.
Private beta
Be among the first websites we onboard.
We open the beta in small groups. Participants get a weekly scan of their websites and direct contact with the team.