Site Behavior Lab
Site Behavior Lab: Open-source, evidence-rich scans for researchers who can work within single-page scope. Ranked #9 of 11 in Website Privacy Auditing Tools Software by our editors (7.2/10); pricing: Open source; best for researchers needing self-hosted, evidence-rich scans.
At a glance
- Editor score7.2 / 10
- PricingOpen source
- Best forResearchers needing self-hosted, evidence-rich scans
- Paid fromFree
- Consent checksYes
- Founded2026
- Facts checked24 Sep 2026
Where it wins
- Records network requests, cookies, storage keys, and selected browser API calls
- Compares visits with privacy signals, ad blocking, or consent choices
- Exports sanitized evidence as JSON and CSV
Where it doesn't
- Scans are limited to a single page at a time
- Reports present observations, not a privacy grade or legal verdict
- Recurring scans may depend on deployment configuration
Our verdict on Site Behavior Lab
Site Behavior Lab runs controlled Chromium visits to public URLs and records evidence such as network requests, cookies, storage keys, selected browser API calls, and matches against a curated service catalog. It is aimed at researchers who want to inspect a page's observed behavior, compare conditions, or browse earlier scans and reports. The project publishes its scanner, catalogs, detectors, and report interface as open source under AGPL-3.0-or-later. Reports disclose scan conditions and limitations rather than assigning a privacy grade or legal verdict.
Its strongest fit is evidence-focused comparison: a researcher can compare visits under privacy signals, ad blocking, or different consent choices, then export sanitized evidence as JSON or CSV. The service catalog and selected fingerprinting-style pattern detection add context to recorded activity, while the library of previously scanned sites can help with reference and review. Optional recurring scans are described on a seven-day cadence, though their availability may depend on deployment configuration. Deployment options include cloud and self-hosted use, so teams can consider the project in either operating model.
The main tradeoff is scope: each scan covers a single page, not a whole website, which limits its use for broad privacy audits. This is better suited to targeted investigation and reproducible evidence collection than to site-wide compliance review. Researchers or small teams able to interpret technical observations should consider it; organizations seeking a whole-site inventory, an overall privacy score, or a legal assessment should choose a tool built around those outcomes instead.
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Site Behavior Lab pricing
Site Behavior Lab fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Scan scope | Single_page |
| Cookie audit | Yes |
| Consent checks | Yes |
| Scheduled scans | Yes |
| Report exports | Yes |
| Sites included | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Open source |
| Website | sitebehavior.org |
| Facts checked | 24 Sep 2026 |
Alternatives to Site Behavior Lab
- ObservePoint Page AuditsA cloud-based choice for recurring, sitewide privacy and consent audits.9.2
- Tag LeakAudits consent behavior, tracking, and headers across multiple website pages.8.8
- TagPatrolA consent-state website auditor with evidence-led findings and remediation steps.8.5
See all Site Behavior Lab alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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