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Block third-party scripts and trackers before users give cookie consent.
Recording a choice is easy; preventing a tracker from running before that choice is the part most platforms skip. Prior-script blocking is the control that turns a banner into actual compliance. Allowing trackers to run before consent can create significant cookie compliance and regulatory risk.
ConsentX runs prior-script blocking as part of a full consent management platform, so your cookie consent banner, your Google Consent Mode v2 signals and your blocking rules all follow the same visitor decision. Run the free cookie scanner to see which tags fire before consent on your site today, and read what GDPR compliance expects of prior consent.
How Prior-Script Blocking Works
Block Third-Party Scripts Before Consent
Tag scripts with data-cx-consent for category-based control, or let ConsentX automatically block untagged third-party scripts until the visitor provides consent.
Nothing runs before a choice
Blocked tags stay inert until the matching category is allowed.
Sweep on reject
If a category is rejected, ConsentX aggressively clears cookies it tried to set.
What Does ConsentX Block Before Consent?
ConsentX can block non-essential analytics scripts, advertising pixels, marketing tags, chat widgets, and other third-party trackers until the visitor provides the required consent.
Prior-script blocking works alongside a cookie consent management platform to enforce consent preferences across your website.
Benefits of Prior-Script Blocking
Prevent trackers before consent
Prevent non-essential trackers from firing before the visitor provides the required consent.
Reduce cookie compliance risks
Reduce the risk associated with trackers running before valid consent is obtained.
Control third-party scripts by consent category
Control third-party scripts based on the visitor's selected consent categories.
Automatically block untagged trackers
Automatically prevent untagged third-party trackers from running before consent.
Prevent rejected cookies from persisting
Help prevent rejected non-essential cookies and trackers from continuing to run after consent is denied.
Prior-Script Blocking for Cookie Compliance
Enforce Prior Consent Before Tracking
ConsentX gates scripts two ways: tag a script with data-cx-consent for precise per-category control, or let the engine auto-block untagged third-party tags it does not recognize. Either way nothing non-essential executes on first load.
This closes the gap a regulator cookie scan exposes, where analytics and ad pixels fire on page load while the banner is still asking. With ConsentX a fresh scan of your site shows zero non-essential tags before consent.
Reject means nothing persists
When a visitor rejects a category, ConsentX aggressively sweeps the cookies and storage that category tried to set, so a no is enforced rather than merely noted. A maintained tracker registry keeps the blocking and sweeping current as vendors change.
The widget is built to fail open: if ConsentX is ever unreachable, your site keeps working, while the blocking logic still defaults to safe behavior for untagged trackers.
Capabilities
What you get
- True prior consent, no first-load leaks
- Auto-block untagged third-party scripts
- Cookie sweeping when a category is rejected
- Works with GTM and direct tags
Where teams use it
- A site that failed a regulator cookie scan for pre-consent tags
- A team migrating off a banner that only records consent
- An agency standardizing real blocking across client sites
Helps you meet
Scan your site for leaksBuilt for enterprise
Passes regulator and vendor cookie scans for prior consent
Connection-checker flags installs where tags load before ConsentX
Allowlist for essential infrastructure you must never block
Consistent enforcement across every site in the organization
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