Your SSL expired. Your emails hit spam.
The auditor asks for evidence on Monday.
Silent infrastructure failures. Blind spots in your security posture. Compliance requirements you can't yet prove you meet. SiteGuardian monitors, scores, and documents it all – from one EU-hosted dashboard.
Free instant security check – no account needed
Things break silently
Your SSL expired at 3 AM. Your domain lapsed. Your emails hit spam. You found out from your customers.
Infrastructure decays silently. Certificates expire, DNS records drift, email reputation degrades. Most teams don't notice until customers complain — or leave.
'Your connection is not private'
SSL expired overnight. Every visitor sees a browser warning. Google flags your site. Trust is gone before breakfast.
This domain has expired
The renewal email went to spam. The domain lapsed. Your business address now shows a parking page — or worse, someone else registered it.
'We never got your email'
SPF broke during a DNS migration. Invoices and onboarding emails have been hitting spam for two weeks. Nobody told you.
Is the site down for everyone?
Your server ran out of memory at peak traffic. Users left. You found out 47 minutes later from a Slack message.
SiteGuardian monitors uptime, SSL, domains, DNS, email health, and response times — around the clock.
You get alerted via Telegram, Slack, Teams, email, SMS, or webhooks before your customers notice a thing.
You don't know your risk posture
Your website has dozens of security settings. How many are correct right now?
Security headers, DNS records, email authentication, certificate configurations, cookie policies. You've set them up once — but drift happens. A deployment overwrites a header. A DNS migration drops a record. Your security grade could be a D and you wouldn't know until a client asks.
Security posture scoring
An A-to-F grade computed from your security headers, SSL configuration, DNS security, and email authentication. Updated continuously — not just once during a pentest.
Accessibility scanning
Automated WCAG 2.2 AA checks for the European Accessibility Act (EAA). Visual, structural, and navigation issues — flagged before a barrier becomes a liability.
EU industry benchmark
How does your security compare to others in your industry? We scan hundreds of European websites weekly — banking, pharma, e-commerce, government, tech. Anonymised data, real insights.
The auditor is coming
NIS2 is law. DORA is law. The EAA deadline has passed. Can you prove you're monitoring?
Regulators don't ask if you intended to be compliant. They ask for evidence. Where are your continuous monitoring logs? Your supply chain risk assessment? Your SLA reports? If the answer is 'somewhere in a spreadsheet' — you have a problem.
EU regulatory frameworks
GDPR, NIS2, CRA, EAA, and more. Automated checks map your monitoring data against each framework's requirements — so you can see where you stand. Extend with sector-specific add-on packs.
Evidence vault & audit logs
Every check, every alert, every incident — logged and timestamped. Downloadable compliance reports, SLA documentation, and a full audit trail. Ready when the auditor asks.
Supply chain monitoring
NIS2 requires you to monitor your critical suppliers. DORA demands an ICT vendor register. Track the security posture of your vendors and document their risk — from the same dashboard.
SiteGuardian doesn't make you compliant — that's your organisation's job. What it does is document your monitoring continuously, so you have evidence when you need it.
30s
Fastest check interval
9
Alert channels
17
Regulatory frameworks
EU
Data residency (Germany)
FAQ
Frequently asked questions
What does SiteGuardian monitor?
Uptime (HTTP), SSL certificates, domain expiry, email deliverability (SPF/DKIM/DMARC), DNS security, security headers, PageSpeed, and heartbeat/cron jobs. You can also track keyword changes in HTTP responses.
Where is my data stored?
All data is stored in Germany on Hetzner infrastructure. No third-country transfers. No third-party analytics or tracking. EU data residency by design.
Does SiteGuardian make me compliant?
No. Compliance is your organisation's responsibility. SiteGuardian documents your monitoring continuously and generates evidence reports — so you have audit-ready documentation when you need it.
Which regulatory frameworks are supported?
Core EU regulations — GDPR, NIS2, CRA, and EAA — plus their national implementations are included in the Compliance plan. Sector-specific frameworks like DORA, PCI DSS, ISO 27001, BSI C5, and TISAX are available as add-on packs or included in Enterprise.
How fast are the checks?
Free plan checks every 5 minutes. Pro and Business check every 60 seconds. Compliance and Enterprise check as fast as every 30 seconds.
Can I try it without signing up?
Yes. The public scanner on this page gives you an instant security posture check — no account needed. The EU Security Benchmark is also freely accessible.
What alert channels are supported?
Email, Telegram (free on all plans with interactive bot commands), Slack, Microsoft Teams, Discord, PagerDuty, webhooks, SMS, and voice calls. Availability depends on your plan.
Is there a free plan?
Yes. One monitor with 5-minute checks, SSL and domain monitoring, email and Telegram alerts, and risk scoring. Free forever, no credit card required.
Pricing
Simple, transparent pricing
Start free. Upgrade when you need more monitors or channels.
All prices include VAT where applicable.
1 monitor, 5-min checks, SSL & domain alerts
10 monitors, email health, PageSpeed, status pages
50 monitors, DNS security, teams, Slack/PagerDuty
100 monitors, EU core frameworks, evidence vault, SLA reports
250 monitors, SSO, API, synthetic, multi-region
Free
Get started with basic monitoring.
€0 /mo
- 1 monitor
- 5-minute checks
- SSL & Domain monitoring
- Security posture (A–F)
- Email alerts
- Telegram bot (real-time)
- Risk scoring
- Public scanner access
Pro
For professionals and small teams.
€29 /mo
- 10 monitors
- 1-minute checks
- Everything in Free
- Email health
- PageSpeed Insights
- Webhooks
- Public status page + badge
- Monthly reports
- IP/ASN intelligence
Business
For growing teams and agencies.
€99 /mo
- 50 monitors
- 1-minute checks
- Everything in Pro
- DNS security
- Slack, Teams, Discord alerts
- Team management with roles
- Custom status page branding
- Anomaly detection
Compliance
For teams managing EU regulatory obligations — GDPR, NIS2, CRA, EAA + national laws.
€299 /mo
- 100 monitors
- 30-second checks
- Everything in Business
- EU Compliance Engine
- Accessibility auditing
- Cookie compliance + ePrivacy
- Compliance PDF reports
- DPA/AVV digital signing
- Compliance vault + evidence
- NIS2 supply chain risk
- DORA ICT register
- Audit logging
- SLA reports
Enterprise
For large organizations and MSPs.
€599 /mo
- 250 monitors
- 30-second checks
- Everything in Compliance
- REST API + API keys
- SAML 2.0 + OIDC SSO
- Synthetic monitoring
- Multi-region monitoring
- White-label status pages
- SMS & voice alerts
- Dedicated support
Most monitoring tools tell you your site is down.
SiteGuardian shows you your entire risk surface — and documents it for the auditor.
Uptime, SSL, DNS, email health, security posture, and EU regulatory frameworks. One platform, one dashboard, one audit trail. Hosted in Germany. GDPR by design.