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The leading privacy auditing platform for websites and apps

Instantly find and fix privacy threats before they turn into hotfixes, data breaches, or fines.

Web scanning

Simulate real user journeys across your sites. Uncover data flows, third-party tracking, and privacy risks.

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Mobile app scanning

Combine real usage and static build analysis to map personal data flows and identify tracker behavior.

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Codebase scanning

Scan codebases with AI-powered static analysis to find privacy risks and violations early in development.

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Continuous Risk Detection

Tackle real privacy risks — not theoretical ones

Webclew continuously scans live data flows and flags unexpected activity in actionable tickets.

Identify unknown third parties

Catalogue every script, SDK and tracker on your websites and apps. Trace every third party to its initiator. 

Uncover consent violations

Verify that all tracking honors user consent preferences (e.g., reject all) and device permissions (e.g., IDFA access).

Apply a risk-based approach to audits

Prioritize audit and resolution efforts based on the intrinsic risk and frequency of data flows.

Trusted by leading publishers
Personal data discovery

Uncover which personal data enters and leaves your websites and apps

Detect unique identifiers and personal attributes automatically. Map third-party access to personal data.

Auto-identify data categories

Instantly detect personal data (e.g., device IDs, page views,events, profiling segments) in HTTP requests without manual digging. 

Trace data across requests and vendors

Follow the full journey of personal data across your stack and third-party transfers. 

Deep request payload analysis

Understand the specific use case (i.e., endpoint) and every data element of a trackers (i.e., query string parameters and request body). 

Third party management

Stay on top of your vendors

Automatically catalogue all third-party code and data flows. Compare actual behaviour against contracts and guardrails.

Auto discovery & classification

Webclew automatically detects the vendors behind scripts, SDKs, cookies, and requests in your websites and apps. 

Custom classifications

Refine and expand tracker and vendor profiles on top of the Webclew Tracker Web database. 

Tracker intrusiveness score

Assess the intrinsic risk of each cookie and tracker based on its data collection patterns.

Webclew seamlessly works with your
consent management platform

Transparency updates

Keep privacy information in sync with live data flows

Push cookie and vendor insights from real-time monitoring directly to your privacy notices and vendor disclosures.

Keep privacy information in sync with data flows

Push cookie and vendor insights from real-time monitoring directly to your privacy notices and vendor disclosures. 

Sync privacy or cookie notices

Automatically populate your privacy notices with real-time vendor lists and cookie tables. 

Update CMP vendor lists

Keep vendor disclosures consistent across all your consent management platforms based on structured criteria automatically applied.

We finally have visibility in online tracking and a process for handling cookie compliance risks.

Marc Cox
Group Data Protection Officer at Mediahuis

FAQ

Everything you need to know about the product and billing. Can’t find the answer you’re looking for? Please chat to our friendly team.

Resources

Most recent writings

The purpose of tracking

This article introduces a practical framework—the Tracking Intrusiveness Score (TIS)—to help privacy professionals objectively assess and prioritize tracking risks based on a tracker’s identity persistence, data sensitivity, and usage purpose.

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Why trackers eat cookies for breakfast

This explainer demystifies how the internet works behind the scenes, tracing the evolution of cookies from a privacy-preserving tool for remembering user sessions to a cornerstone of cross-site tracking and online advertising.

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Making sense of the EDPB guidelines on the scope of the ePrivacy Directive

This article critiques the EDPB’s broad interpretation of “storage” and “access” in its ePrivacy Directive guidelines, arguing that it creates legal uncertainty for privacy-friendly practices—such as anonymous analytics and contextual ads—without meaningfully improving data protection.

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Get started with Webclew today

Provide a domain or bundle

Simply enter your website URL or upload a mobile app bundle to begin scanning

Launch scans

Run instant audits or schedule continuous monitoring of your digital properties

Review results

Get immediate insights into privacy violations and third-party tracking activity