⚡ Visitor Identification Software

Visitor identification software identifies the companies and individuals browsing a website before they fill out a form or initiate direct contact.

It matches IP addresses, cookies, and browsing behavior against commercial business databases to reveal firmographic data, deliver real‑time visitor alerts, and provide lead scoring, CRM synchronization, and integration with outreach platforms.

According to our research, visitor identification software is detected on 0.6% of all websites.
90.7% of these sites use only one visitor identification software solution, 8% use two, and 1.3% use three or more at the same time.

Statistics based on 3.8M+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the leading visitor identification software in 2026, based on market share.

The most popular is Leadfeeder with a share of 27.1%, followed by Zoho SalesIQ with 17.3% and Leadinfo with 13.1%.

Leadfeeder 27.1%
Zoho SalesIQ 17.3%
Leadinfo 13.1%
Apollo 12.6%
RB2B 12.3%
Clearbit 5.9%
Lead Forensics 5.8%
Instantly.ai 4%
SalesViewer 3.3%
Leadoo 2.8%
Warmly 2.1%
Visitor Queue 2.1%
Customers.ai 1%
Happierleads 0.6%
Whois Visiting 0.5%

You can also drill down by country:

🚀 Country Highlights

Here is a list of solutions that is especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

Leadinfo is #1 in the Netherlands ^(-2)
SalesViewer is #1 in Germany ^(-8)
Leadoo is #1 in Finland ^(-9)
Zoho SalesIQ is #1 in India ^(-1)
RB2B is #2 in the United States ^(-3)
Lead Forensics is #2 in the United Kingdom ^(-5)
Apollo is #2 in Singapore ^(-2)
Clearbit is #4 in France ^(-2)

✨ Best Visitor Identification Software

Below is a more detailed list of 16 visitor identification software solutions we detect, ranked by their market share.

Rank	Name	Market share
1	Leadfeeder Karlsruhe, Germany A B2B website visitor identification platform that helps sales and marketing teams identify potential leads from anonymous traffic. Free$113+/month	27.1%
2	Zoho SalesIQ Chennai, India A customer messaging and engagement platform that helps businesses track website visitors in real time, connect with them through live chat, and convert them into leads or support contacts. Free$10+/user/month	17.3%
3	Leadinfo Capelle aan den IJssel, Netherlands A lead generation platform that identifies companies visiting a website to help B2B sales and marketing teams discover potential prospects. $107+/month	13.1%
4	Apollo Covina, California, United States A sales intelligence and engagement platform designed to give sales teams and marketers the tools they need to efficiently find, engage, and convert prospects. Free$65+/month	12.6%
5	RB2B Austin, Texas, United States A visitor identification solution that identifies US website visitors and their LinkedIn profiles. Free$79+/month	12.3%
6	Clearbit Cambridge, Massachusetts, United States A data activation platform that helps companies collect, enrich, segment, and activate B2B customer and prospect data to improve targeting and engagement across sales and marketing systems. $30,000+/year	5.9%
7	Lead Forensics London, United Kingdom A B2B website visitor identification and lead generation platform that reveals the companies behind anonymous website traffic and converts them into actionable sales leads. $6,000+/year	5.8%
8	Instantly.ai Sheridan, Wyoming, United States A sales engagement and lead intelligence platform that enables businesses to find prospects, automate outreach campaigns, and manage lead interactions with an integrated AI-powered CRM. $47+/month	4%
9	SalesViewer Bochum, Germany A sales tracking and lead generation platform that identifies anonymous website visitors and translates their visits into B2B sales and marketing signals. €99+/month	3.3%
10	Leadoo Helsinki, Finland A conversion platform that uses interactive on-site engagement tools, AI-enhanced chatbots, smart forms, visual bots, and analytics to help businesses turn passive website traffic into qualified leads. Free€699+/month	2.8%
11	Warmly Cambridge, Massachusetts, United States A revenue orchestration platform that identifies individual website visitors and automates personalized outreach to them. $10,000+/year	2.1%
12	Visitor Queue London, Ontario, Canada B2B lead generation and website personalization software that identified businesses visiting a website and provided sales teams with contact details and firmographic data. $39+/monthLegacy	2.1%
13	Customers.ai Boston, Massachusetts, United States A B2C visitor identification and sales outreach automation platform that identifies anonymous website visitors and routes their contact data into email, advertising, and CRM systems. $600+/month	1%
14	Happierleads London, United Kingdom An AI-powered B2B website visitor identification platform that reveals the names, job titles, work emails, and company details of site visitors. $99+/month	0.6%
15	Whois Visiting Northampton, United Kingdom A qualitative data platform that identifies website visitors, nurtures prospects, and personalizes customer experiences. $69+/month	0.5%
16	LeadBoxer Amsterdam, Netherlands A lead generation platform that helps users identify, qualify and manage leads online. Free€95+/month	0.3%

👉 See Also

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 3,815,889 websites.
We currently track the presence of 16 visitor identification software solutions across the web.
Statistics were last calculated on September 8, 2026.
For more details, see our methodology and disclaimer.