SiteGuardian
EU-hosted continuous security, compliance & monitoring platform
Scope: TLS + DNS + email + headers + accessibility + cookies + compliance
Hardenize (Red Sift)
TLS + DNS + email authentication
Pricing: Free public reports. Paid enterprise tier.
Visit their site →Feature-by-feature
Each row verified against the competitor's public documentation.
| Capability | Hardenize (Red Sift) | SiteGuardian |
|---|---|---|
| TLS configuration audit | Yes | Yes |
| TLS 1.3 0-RTT (early_data) detection | Yes | Yes |
| DNS / DNSSEC / CAA | Yes | Yes |
| Nameserver redundancy (RFC 2182) | Partial | Yes |
| Email authentication (SPF/DKIM/DMARC) | Yes | Yes |
| MTA-STS + TLS-RPT | Yes | Yes |
| HTTP security headers | Yes | Yes |
| Subresource Integrity (SRI) audit | No | Yes |
| Mixed-content detection | No | Yes |
| Accessibility (WCAG 2.2 / EAA) | No | Yes |
| Cookie / GDPR consent scanner | No | Yes |
| Continuous monitoring + alerts | Yes | Yes |
| EU-hosted (GDPR-friendly) | No | Yes |
| Benchmark vs 700k EU sites | No | Yes |
| Compliance mapping (NIS2, GDPR, DORA, DSA, EAA) | No | Yes |
When Hardenize (Red Sift) is the better choice
We'd rather be honest than waste your time.
Combined TLS/DNS/email audit for technical teams, part of Red Sift's enterprise suite.
- You're already a Red Sift customer and want unified reporting across their products.
- You don't need accessibility or cookie compliance.
- You prefer a US/UK-hosted enterprise vendor.
When SiteGuardian is the better choice
- You want continuous monitoring and alerts, not one-off scans.
- You need EU data residency and GDPR-by-design processing.
- You need TLS + DNS + email + headers + accessibility + cookies in one report.
- You need findings mapped to NIS2, GDPR, DORA, DSA, EAA, CRA articles.
- You want to benchmark your score against 700k EU sites.
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Scan my websiteThis comparison is based on publicly available documentation. Product names and trademarks belong to their respective owners. If you spot an inaccuracy, please let us know via contact.