Best Website Visitor Tracking Software in 2026
Updated
In short: ContactLevel is ranked #1 of 23 as of 3 October 2026, ahead of Factors.ai and Nalloo. The best-ranked option with a free plan is Nalloo. The lowest first paid tier on this page is Happierleads at $0.10/mo.
For teams following up on company-site traffic, visitor tracking tools can surface identification and intent signals alongside contact details. The 2026 ranking starts with ContactLevel, Albacross and Salespanel, followed by Happierleads and Bullseye. Compare visitor identification and intent signals with tracked domains, contact enrichment and CRM sync to see how the listed capabilities relate to your lead workflow. Data history and real-time alerts offer further points to weigh, while free-plan availability and paid-from pricing help with cost comparisons. Consider what visitor information your team needs, how it will reach your CRM, and which alerts or history details are useful for follow-up.
23 website visitor tracking software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Visitor identification | |
|---|---|---|---|---|---|---|---|---|
| 1 | ContactLevel | 7.4 | RecognisedAPIDocumented | $299/mo | Yes | 299 /mo | both | View |
| 2 |  Factors.ai | 7.3 | RecognisedAPIDocumented | $0.50/mo | No | 199 /mo | — | View |
| 3 | Nalloo | 7.3 | RecognisedAPIDocumented | €75/mo | Yes | — | — | View |
| 4 | Bullseye | 6.8 | RecognisedAPIDocumented | $99/mo | No | — | both | View |
| 5 | Snitcher | 6.8 | RecognisedAPIDocumented | $49/mo | No | 49 /mo | — | View |
| 6 | Albacross | 6.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 7 | Happierleads | 6.7 | RecognisedAPIDocumented | $0.10/mo | No | 99 /mo | — | View |
| 8 |  Salespanel | 6.7 | RecognisedAPIDocumented | $99/mo | No | 99 /mo | both | View |
| 9 | ZoomInfo | 6.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 10 | Koala | 5.9 | RecognisedAPIDocumented | $200/mo | Yes | 200 /mo | — | View |
| 11 | Leadberry | 5.9 | RecognisedAPIDocumented | $24/mo | Yes | 24 /mo | company | View |
| 12 |  VisiLead | 5.9 | RecognisedAPIDocumented | $29/mo | Yes | 29 /mo | both | View |
| 13 | LeadBoxer | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 14 | Leadfeeder | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 15 | RB2B | 5.4 | RecognisedAPIDocumented | — | Yes | 79 /mo | — | View |
| 16 |  Warm AI | 5.4 | RecognisedAPIDocumented | $119/mo | No | — | both | View |
| 17 | Warmly | 5.4 | RecognisedAPIDocumented | — | — | — | — | View |
| 18 |  Wizard AI Forecasts | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 19 | LeadJaw | 5.3 | RecognisedAPIDocumented | $49/mo | No | 49 /mo | — | View |
| 20 | Factors.ai | 5.2 | RecognisedAPIDocumented | $199/mo | No | 199 /mo | — | View |
| 21 | DataSearchPro | 5.1 | RecognisedAPIDocumented | — | — | — | person | View |
| 22 | Lead Forensics | 5.0 | RecognisedAPIDocumented | — | No | — | — | View |
| 23 | Leadinfo | 4.8 | RecognisedAPIDocumented | — | No | — | — | View |
| 24 | Visual Visitor | 4.8 | RecognisedAPIDocumented | — | No | — | — | View |
| 25 | Leadpipe | 4.7 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which website visitor tracking software is ranked first on Inferse?
ContactLevel is ranked #1 of 23 with a score of 7.4. Factors.ai is second and Nalloo third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Happierleads has the lowest first paid tier we found: $0.10/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.