Head-to-head · Website Privacy Auditing Tools Software
Tag Leak vs Cookie Scanner
Tag Leak leads on 0 checks, Cookie Scanner on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreTag Leak · 8.8/10
- Free planboth
- Most featuresTag Leak · 4 of 4
Tag Leak scores higher on our rubric for website privacy auditing tools software: 8.8 against 7.6 out of 10; our editors rank them #2 and #7.
On scan scope, Tag Leak gives you Multiple_sites where Cookie Scanner offers Sitewide.
Tag Leak is the better fit for teams auditing consent and tag leakage across sites. Cookie Scanner is the better fit for solo users seeking low-cost recurring cookie scans.
- Tag Leak fits best
Teams auditing consent and tag leakage across sites
- Cookie Scanner fits best
Solo users seeking low-cost recurring cookie scans
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Side by side
| Feature | Tag Leak 8.8/10 Visit ↗ | Cookie Scanner 7.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 7.6 |
| Ranking | #2 in Website Privacy Auditing Tools Software | #7 in Website Privacy Auditing Tools Software |
| Best for | Teams auditing consent and tag leakage across sites | Solo users seeking low-cost recurring cookie scans |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $19/mo | €10 one-time |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Support | ||
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features Tag Leak 4/4 · Cookie Scanner 3/4 | ||
| Cookie audit | ✓ | ✓ |
| Consent checks | ✓ | ✓ |
| Scheduled scans | ✓ | ✓ |
| Report exports | ✓ (best) | Not checked yet |
| Specs | ||
| Scan scope | Multiple_sites | Sitewide |
| Sites included | 3 | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Tag Leak scans websites in a real browser to identify cookies, tracking tags, browser storage writes, and third-party network requests before and after consent. It also checks consent banners, Google Consent Mode v2, IAB TCF v2.3 signals,… Read the review → |
Cookie Scanner is a web-based privacy auditing service for website operators, with a particularly clear fit for solo users and small teams that want to inspect cookies and trackers across a domain. It crawls all pages, detects cookie and… Read the review → |
Strengths and trade-offs
Tag Leak — where it wins
- Checks tags, cookies, requests, and storage writes before and after consent
- Audits Consent Mode v2, IAB TCF v2.3, and six security response headers
- Scans multiple pages and offers scheduled rescans with email alerts
Where it doesn't
- Free plan provides only a partial report
- Starter scans up to 25 pages per audit
- Daily alerts, geo-scanning, and remediation documents require Pro
Cookie Scanner — where it wins
- Crawls all website pages for cookies, trackers and third-party requests
- Checks cookie-banner presence and behavior, with Consent Mode reporting
- Recurring monitoring, change alerts and scan history support ongoing audits
Where it doesn't
- Credit purchases may be less suitable for teams wanting a subscription plan
- Focused on web-based website audits rather than a broader privacy platform
- Recurring monitoring and account features require moving beyond free scans
- Tag Leak8.8/10 · Free plan
Audits consent behavior, tracking, and headers across multiple website pages.
Visit Tag LeakFull verdict → - Cookie Scanner7.6/10 · Free plan
A focused website audit tool with sitewide scans and non-expiring credits.
Visit Cookie ScannerFull verdict →
More comparisons
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- Tag Leak vs CookieComply
- Tag Leak vs CookieChimp
- Tag Leak vs consentmanager
- TagPatrol vs Cookie Scanner
All website privacy auditing tools software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update