Privacy Policy

Overview

VS&A All Day (vsa-all-day.com) is a personal educational website providing engineering reference materials, calculators, and blog content related to vibration, shock, and acoustics engineering. This privacy policy explains what information we collect, how we use it, and your rights regarding that information.

Information We Collect

Newsletter Subscription

If you choose to subscribe to our newsletter, we collect your email address. This is the only personal information we actively collect. Your email is used solely to send you notifications about new blog posts and engineering content published on this site.

Analytics

We use privacy-focused analytics (Umami) to understand how visitors use the site. This analytics service collects anonymous, aggregated data only — such as page views and general geographic region. It does not use cookies, does not track individual users across sessions, and does not collect any personally identifiable information. The analytics data helps us understand which engineering tools and content are most useful.

Cookies

This site uses a minimal session cookie for site administration purposes only. Regular visitors and newsletter subscribers do not receive tracking cookies. We do not use any third-party advertising cookies or cross-site tracking technologies.

How We Use Your Information

• Email addresses are used exclusively to send newsletter notifications about new blog posts and engineering content. We do not sell, share, or rent your email address to any third parties.
• Analytics data is used to improve the site's content and tools based on aggregate usage patterns.

Third-Party Services

We use the following third-party services:

• Resend — for sending newsletter emails. Their privacy policy is available at resend.com/legal/privacy-policy.
• Cloudflare — for content delivery and DDoS protection. Their privacy policy is available at cloudflare.com/privacypolicy.
• Google Fonts — for web typography. Fonts are loaded from Google's CDN. Their privacy policy is available at policies.google.com/privacy.

Data Retention

Newsletter subscriber email addresses are retained until you unsubscribe. You can unsubscribe at any time using the one-click unsubscribe link included in every newsletter email. Upon unsubscribing, your email address is marked as inactive and is no longer used for any communications.

Your Rights

You have the right to:

• Unsubscribe from the newsletter at any time via the link in any email
• Request deletion of your email address from our subscriber list
• Request information about what data we hold about you

To exercise any of these rights, please contact us using the information below.

Data Security

We take reasonable measures to protect your information. All data is transmitted over HTTPS (TLS encryption). Email addresses are stored in a secure database with access limited to the site administrator.

Children's Privacy

This site is intended for engineering professionals and students. We do not knowingly collect personal information from children under the age of 13.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated "Last updated" date.

Contact

If you have any questions about this privacy policy or your data, please reach out via the contact information available on the site, or email the site administrator directly.