Lusha

Overview

Lusha is a B2B sales intelligence platform that takes visitor identification significantly further than standard analytics. While most analytics tools track anonymous behavior patterns, Lusha's scripts attempt to identify individual visitors by matching them to professional contact data — names, job titles, email addresses, and phone numbers. This data feeds directly into sales prospecting workflows, turning anonymous website visitors into actionable sales leads.

This level of individual identification makes Lusha one of the more privacy-sensitive third-party scripts a website can deploy.

What This Script Does

Lusha's scripts perform visitor identification and data enrichment on your website:

• Visitor identity resolution: Matches anonymous website visitors to Lusha's B2B contact database using IP addresses, device fingerprints, and other identification signals to resolve visitors to individual professional profiles
• Contact data enrichment: Enriches identified visitor profiles with professional information including full names, job titles, company names, business email addresses, and direct phone numbers
• Company identification: Performs IP-to-company matching to identify the organizations visiting your site, even when individual identification isn't possible
• Behavioral tracking: Records page views, session duration, and content engagement patterns for identified visitors, building intent profiles
• CRM integration: Pushes identified visitor data and behavioral signals to connected CRM platforms (Salesforce, HubSpot) for sales follow-up
• Lead scoring: Assigns engagement scores based on visit frequency, pages viewed, and content consumed to prioritize sales outreach
• Tracking cookies: Sets persistent cookies for visitor identification, session tracking, and return visit recognition

Consent & Compliance

Lusha's individual-level identification creates significant consent obligations:

• GDPR: Identifying individual visitors by matching them to contact databases constitutes personal data processing requiring explicit consent. The processing goes well beyond anonymous analytics — it resolves visitors to named individuals with contact details. This is clearly incompatible with a legitimate interest basis for most use cases.
• ePrivacy Directive: The tracking cookies and identification scripts are not strictly necessary and require informed consent before any data collection occurs.
• CCPA/CPRA: Individual identification and enrichment with contact data constitutes collection and potential "sale" or "sharing" of personal information, triggering opt-out requirements and disclosure obligations.

Lusha's identification-first approach means the privacy implications are front and center — there's no anonymized fallback.

Should You Block This Without Consent?

Lusha's scripts exist for one purpose: identifying anonymous visitors and converting them into sales leads with full contact information. This is the most privacy-invasive category of website tracking — individual identification without the visitor's knowledge. There is no functional benefit to the visitor. These scripts must be blocked until explicit consent is obtained, and the consent mechanism should clearly explain the individual identification that will occur.

Yes.