How does Sitecheck work?

Sitecheck analyzes your website using Google PageSpeed Insights, accessibility tooling, and a custom SEO analyzer to provide actionable recommendations.

Sitecheck offers a free tier; paid tiers provide scheduled scans and advanced features.

Sitecheck v1.0

DNS Checker Free Tools Uptime Beta

Privacy Policy

Last updated: February 14, 2026

Introduction

At Sitecheck, we take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your personal information when you use our website analysis service.

Data Collection

Essential Data

We collect essential data necessary for the website to function properly:

Authentication state (email, user ID) to manage your account
Language preference to display content in your preferred language
Cookie consent preferences to respect your privacy choices

Analytics Data (Optional)

With your consent, we collect analytics data to improve our service:

De-identified usage statistics (pages viewed, features used)
Performance metrics to optimize our platform
Error tracking to identify and fix issues

We use PostHog (EU instance) for privacy-friendly analytics. PostHog is GDPR-compliant and stores all data in the European Union.

Cookies and Tracking

We use cookies and similar technologies to provide and improve our service. You have full control over optional cookies through our Cookie Preferences.

Cookie Name	Purpose	Duration
Essential Cookies (Always Active)
i18n_redirected	Stores your language preference	1 year
cookie_consent	Stores your cookie preferences	1 year
supabase-auth-token	Manages your authentication session	Session (until logout)
Analytics Cookies (Optional)
ph_* (multiple)	PostHog analytics, feature flags, and session tracking	1 year

Your Rights (GDPR)

Under the General Data Protection Regulation (GDPR), you have the following rights:

Right to Access: Request a copy of your personal data
Right to Rectification: Correct inaccurate personal data
Right to Erasure: Request deletion of your personal data
Right to Restrict Processing: Limit how we use your data
Right to Data Portability: Receive your data in a portable format
Right to Object: Object to processing of your personal data
Right to Withdraw Consent: Withdraw consent for optional data collection at any time

To exercise any of these rights, please contact us at the email provided below.

Data Retention

Account Data: Retained until you delete your account
Scan Results: Stored for the duration of your subscription
Analytics Data: Retained for 180 days, then automatically deleted
Cookie Consent: Stored until you withdraw consent or clear browser data

Data Security

We implement industry-standard security measures to protect your data, including encryption in transit (TLS/SSL), secure authentication, and regular security audits. We use Supabase for secure data storage and authentication.

Third-Party Services

We use the following third-party services that may process your data:

Supabase: Authentication and database hosting (EU region)
PostHog: Analytics platform (EU instance, GDPR-compliant)
Vercel: Website hosting and content delivery
Google PageSpeed Insights: Website analysis API

Children's Privacy

Our service is not directed to individuals under the age of 16. We do not knowingly collect personal information from children.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by updating the 'Last Updated' date at the top of this policy. If you have consented to cookies, we will ask for your consent again when the policy changes.

Contact Us

If you have any questions about this Privacy Policy or how we handle your data, please contact us:

Email: support@sitecheck.dk

Website: https://sitecheck.dk