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Duda install guide

Add Velo to Duda.

Install the Velo cookie banner and Google Consent Mode v2 on Duda in minutes. One line in Head HTML does it. If you already run Google Tag Manager, that route is on this page too.

WhereSettings → Head HTML
PlanAny Duda site
Goes liveOn republish
TimeAbout two minutes

One line, and every
page inherits it.

One line in Duda, and the banner is on every page with the Consent Mode default set before any other tag can fire. Same banner, same wiring and the same audit log as the Tag Manager route.

Already running Google Tag Manager? Take that route instead ↓

Three steps · about two minutes

  1. 01

    Copy the line

    One script tag, the same on every page of the site. Everything below is about getting it into the right place, and that place is always the head, ahead of the tags it governs.

    <!-- Before your other tags. That order is the point. --> <script src="https://veloconsent.com/v1/velo.js" data-velo-site="your-site-id" defer></script>
  2. 02

    Paste into the site’s Head HTML

    In the Duda editor, open Settings → Head HTML, paste the snippet, and save. Every page of the site inherits it.

    my.duda.co · Head HTML
    The Duda admin with the Velo snippet pasted into the site head
  3. 03

    Republish

    Duda applies head code on republish, so republish and reload the live site. The banner renders with the Consent Mode default set before any other tag can fire.

    your-site.com
    An ordinary web page with the Velo consent banner in the bottom left corner
One thing to watch

Duda serves the published version, so a head code change only goes live on the next republish. Banner copy and region rules changed in the Velo dashboard, by contrast, apply without touching Duda at all — which is what makes this workable across a book of client sites.

Recommended if you run a container

Or import the tag
in Tag Manager.

One tag, no code on the page, and your whole measurement stack stays in one place. No Tag Manager yet? Paste the GTM container into the same Head HTML panel, republish, then start here.

  1. 01Import the Velo CMP templateTemplatesTag TemplatesNewImport
  2. 02Create the tagTagsNewVelo CMP template
  3. 03Tick the two recovery optionsAdvancedurl_passthroughads_data_redaction
  4. 04Fire it on Consent Initialization – All PagesTriggeringConsent Initialization – All Pages
  5. 05Turn on consent overview under AdminAdminContainer SettingsEnable consent overview
  6. 06Preview, then publishPreviewSubmitPublish
tagmanager.google.com
A new tag in Google Tag Manager using the Velo Consent Banner template, site ID filled in
The Tag Manager guide, screen by screen Six screens, about ten minutes, the same on every platform.

Duda questions,
answered.

What teams installing on Duda ask first.

I run many client sites on Duda.

That is the setup Velo is built for: every client site gets its own site ID and banner, and you watch them all from one Velo dashboard: consent rates, recovered conversions and audit logs per client. See Velo for agencies.

Duda has a cookie notification widget.

Switch it off so Velo is the only layer your visitors see. Two banners confuse people, and only Velo wires the decision into Consent Mode, the audit log and your tags.

Do changes need a republish?

Yes. Duda serves the published version, so any head code change goes live on the next republish. Banner copy and region changes made in the Velo dashboard, by contrast, apply without touching Duda at all.

Will it slow the site down?

No. The script loads deferred, never blocks rendering, and the visitor's region is resolved at the nearest edge before the page finishes painting. The banner itself is a few kilobytes of static code.

Can an AI assistant do this for me?

Yes. Copy the prompt in Install with agents, just below, into Claude, ChatGPT, Cursor or whichever assistant you already use. It carries the steps on this page, the order the tags have to load in, and the checks the agent has to run before it tells you the job is done.

Or hand it
to an agent.

Copy the prompt into Claude, ChatGPT, Cursor or whichever assistant you already use. It carries everything on this page: both routes, the order the tags have to load in, and the checks that prove it worked.

The prompt

Paste it in as your first message, then swap your-site-id for the ID on your Velo dashboard. Everything else the agent needs is already written into it, including what to check before publishing.

Install prompt · Duda
# Install Velo on Duda: cookie banner + Google Consent Mode v2 You are installing Velo, a consent management platform, on my Duda site. Velo shows the cookie banner, sets the Google Consent Mode v2 defaults before any other tag can fire, and records every decision. Ask me for these before you touch anything: - My Velo site id. It is in the Velo dashboard. No account yet? Send me to https://veloconsent.com/get-started and wait for the id. - Whether the site already runs Google Tag Manager, and which container. - Which cookie banner or consent tool is live on the site today. ## Path A: through Google Tag Manager (preferred when GTM is live) 1. Templates → Tag Templates → New, then ⋮ → Import. Import the template.tpl from github.com/ampliodata/velo-cmp ("Velo CMP"). 2. Create a tag from that template. Set my Velo site id and pick the light or dark theme. 3. Fire it on the "Consent Initialization – All Pages" trigger. Not Initialization, not All Pages. Both run too late to set consent defaults. 4. Preview, check the Consent tab in Tag Assistant, then Submit and Publish. No container yet? On Duda, Duda has GTM built in: the side panel → More → Settings → Google Tools → paste the container id. No code needed. ## Path B: the snippet, straight into the site Put this line in the <head>, above every analytics and advertising tag: <script src="https://veloconsent.com/v1/velo.js" data-velo-site="MY_SITE_ID" defer></script> On Duda: the Duda editor → Settings → Head HTML → paste → Save. Every page of the site inherits it. ## Rules - One path, never both. Two installs means two banners. - Velo loads first. Everything that measures or advertises comes after. - Only one tool may set Consent Mode defaults. Switch Duda's cookie notification widget off so Velo is the only layer visitors see. Leave no hard coded gtag('consent', 'default', ...) anywhere else either. - Change nothing beyond what this install needs. Tell me first if a theme file, plugin or existing tag has to be touched. ## Verify, then report back - The banner renders on a fresh load in a private window. - Before I choose, every consent signal except security_storage is denied from an EEA, UK or Swiss location. - Accepting and rejecting each flip the matching signals, and a velo_consent_update event lands in the data layer. - Google tags stay in their cookieless mode until consent is granted, and any tag gated by hand fires only after it. - window.Velo is defined, and Velo.open() reopens the preferences panel. - On a Tag Manager install, Tag Assistant shows the Velo tag firing on Consent Initialization ahead of every other tag. Tell me what you changed, where you changed it, and what each check showed. If a check fails, fix it and run the checks again. Full guide: https://veloconsent.com/duda More context for agents: https://veloconsent.com/llms.txt

Working with an agent that reads the web? Point it at veloconsent.com/llms.txt and /install.md for the same context in plain text.

From the journal.

What consent modelling is, and when Google actually switches it on Consent modelling estimates what declined visitors did. 11 August 2026
GDPR cookie banner requirements in 2026, and the check that proves each one The things a GDPR cookie banner must do in 2026, each paired with the browser check that proves your own banner actually does it. 29 July 2026
How to check your cookie banner is sending the Consent Mode v2 signal Two reads settle it: the four consent signals inside the browser, and the state that actually reached Google on the request. 26 July 2026

Your banner, your consent,
your data — all in one place.

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