Best Website Visitor Identification Tools in 2026

In short 6 tools, in order of how well they meet our criteria.

In short We judged each tool on 5 criteria, using only facts from its own public pages.

• Identification depth: Company only, or named people with work emails, and in which countries.
• Match coverage: The coverage the vendor lists, and what counts against your credits.
• Acting on visitors: Alerts, CRM sync and hand-off to outreach or ad tools.
• Pricing: Published monthly plans, or annual contracts through sales.
• Free plan: Whether you can see visiting companies before you pay.

In short Best for naming US visitors on a monthly plan.

• Strengths

  The Free plan identifies the companies visiting your site worldwide, 150 credits a month, with alerts in Slack or Teams. Starter names US visitors and sends their LinkedIn profiles to Slack or Teams for $79 a month, with 300 credits. Pro, from $149 a month, adds business emails, Hot Pages and Hot Leads tagging, exclusions and integrations with HubSpot, Salesforce, Clay, Zapier, Instantly, HeyReach and webhooks. Pro+ adds Premium Resolution, a waterfall of external identity graphs, and the pricing page lists 35-45% coverage against 15-20% on Starter and Pro. Month-to-month billing, after a 7-day full-featured trial that needs no card.

• Limits

  Person-level identification covers US visitors only; visitors elsewhere are identified at company level. Every identified visitor uses a credit, company-only matches included, so the Free plan's 150 credits a month cover 150 companies at most. Starter has no email addresses and no integrations beyond Slack and Teams; CRM, Clay and outreach tools start at Pro, $149 a month. RB2B does not send email or LinkedIn outreach itself: it hands visitors to tools like Instantly, Smartlead and HeyReach.

• RB2B pricing
• RB2B website
• RB2B pricing page

In short Best for free company-level identification for the whole team.

• Strengths

  Free Lite plan with no end date shows the last 100 companies from the past 7 days, with unlimited users and tracked websites. Every plan has unlimited users sharing one credit pool, so price depends on identified companies, not seats. Each identified company gets a 0-10 intent score built from goals, days active and unique visitors over the last 90 days. Activate adds verified emails and phones, IP-targeted display ads and CRM automations in the same account. API and MCP server access on every paid plan, with HubSpot, Salesforce, Pipedrive, Zoho and Microsoft Dynamics integrations.

• Limits

  Identification is company level: an individual visitor shows only after filling a form or arriving from a tracked email campaign. Lite shows only company name and location, with no page-level visit detail, alerts, filters, CSV export or CRM integration. Campaigns, CRM automations, advanced contact filters and AI list enrichment need Activate, from $369 a month on annual billing.

• Leadfeeder (Dealfront) pricing
• Leadfeeder (Dealfront) website
• Leadfeeder (Dealfront) pricing page

In short Best for person-level ID plus AI chat on your site.

• Strengths

  Identifies visitors at person and company level, with ICP filtering, Slack alerts, lead routing and CRM sync on all three platform plans. Engages visitors on your site with an AI chatbot, live chat and popups, and sends automated email follow-up, from the Inbound Chat plan. TAM Agent scores accounts with transparent ML intent scoring and AI ICP tiering, maps buying committees and syncs audiences to LinkedIn Ads. Coldly, a contact database of 220M+ professionals with work emails and direct dials, is included, with credit limits by plan. An MCP server and REST API let Claude, Cursor and other AI agents pull identified visitors, with a free tier of 250 credits a month.

• Limits

  The platform plans are sold through sales on quarterly or annual terms, from $4,875 a quarter or $10,000 a year; only the API and MCP tiers are monthly. Third-party intent, hiring and funding signals cost extra: the GTM Signals Package lists at $10,000 a year. AI chat starts on the Inbound Chat plan, from $20,000 a year. LinkedIn outreach runs through HeyReach campaigns you build in HeyReach, with your own HeyReach license.

• Warmly website
• Warmly pricing page

In short Best for visitor data inside a ZoomInfo contract.

• Strengths

  Says it has 500M+ professional profiles and 135M+ direct-dial numbers, with mobile numbers and business emails from the entry Professional package. Buyer intent across 4,500+ topics plus website visitor tracking on Copilot Advanced and up. A permanent free tier, ZoomInfo Lite, with 10 credits a month, the Chrome extension and WebSights Lite. Pay-as-you-go API, MCP and CLI access through GTM AI with published per-credit prices and free search and lookup.

• Limits

  No public prices for Professional, Copilot Advanced or Copilot Enterprise; every quote goes through sales. Paid plans are annual contracts with a minimum seat count; ZoomInfo says there is no standard monthly option. Intent data, website visitors and workflows start at Copilot Advanced, and Streaming Intent costs extra. The free Lite tier gives 10 credits a month and is closed to current or past paid customers.

• Ken vs ZoomInfo
• ZoomInfo alternatives
• ZoomInfo pricing
• ZoomInfo website
• ZoomInfo pricing page

In short Best for account-level identification tied to intent and ads.

• Strengths

  Intent combines 6sense keyword research with partner intent from Bombora, TechTarget, TrustRadius and G2, tracked in over 40 languages. Predictive AI combines intent signals, buying stage predictions and past engagement to surface hot in-market accounts to sellers. Its own B2B DSP runs connected TV, display, native, paid search, social and video ads, and audiences sync to LinkedIn, Meta and Google Ads. AI Email Agents build multi-email sequences, read and classify replies, and send from 6sense, Gmail or Outlook. Sales Intelligence lists 750M+ captured B2B buyer profiles and 111M+ verified business email addresses.

• Limits

  No public prices: all three Sales Intelligence packages are quoted after a demo, and Revenue Marketing has no pricing page. The free Sales Intelligence plan was discontinued on August 12, 2026, so there is no way to try 6sense without talking to sales. Website visitor identification is account-level only: 6sense states it does not identify a person from the data its WebTag collects. Data credits expire at the end of their timeframe with no rollover, and extra credits are bought through your Customer Success Manager.

• 6sense pricing
• 6sense website
• 6sense pricing page

In short Best for account identification inside a full ABM platform.

• Strengths

  Demandbase Ads runs account-based campaigns across display, video, CTV, social and web on its own B2B DSP, with a predictive bidding model in every campaign. Demandbase cites over 2 trillion intent signals a month from its native source, plus partner intent providers, across 133 languages. You can train several Pipeline Predict and Qualification scores, one per product or market segment. Technographics cover 48K+ front-end and back-end technologies across 136M+ domains, including software behind the firewall. Sales users see 200M+ B2B contacts with emails, phone numbers and an A+ to C contact quality grade, and can export them to the CRM.

• Limits

  No public prices: the pricing page is a form, and Sales and Marketing are quoted as a platform fee plus a flat fee per user. Marketing and Sales are not sold as standalone solutions; Demandbase tailors one plan across your go-to-market teams. Anonymous visitors are identified at the account level; for people, Demandbase recommends likely buying group members from modeled intent rather than naming the visitor. Email Agent drafts an email from a person record that you copy or open in Gmail or Outlook to send, and it needs both the Marketing and Sales licenses.

• Demandbase pricing
• Demandbase website
• Demandbase pricing page

In short Ask each vendor on your shortlist these questions before you buy.

• Does it name the companies visiting your site, or the people?
• Which intent sources does it use: your own site, third-party feeds or both?
• Can it score accounts so your team knows who to work first?
• Can it act on a signal through ads, email or a push to your CRM?
• Are prices published, or sold as an annual contract through sales?

In short 5 questions buyers ask about website visitor identification tools, answered from each vendor's public pages.