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Last updated on 20 October 2026

Privacy policy

This privacy policy explains which personal data Oosterom Studio processes when you visit this website or get in touch, why, and what your rights are. I collect as little as possible and never sell data to anyone.

01

Who is responsible?

  • Oosterom Studio, sole proprietorship of Vincent Oosterom
  • Based in Alphen aan den Rijn, the Netherlands
  • Chamber of Commerce (KvK) number 85118028
  • Email: vincent@oosteromstudio.nl
  • Phone: +31 6 40 29 48 23

Questions about your data? Feel free to email me, I'll get back to you as soon as possible.

02

What data, why and for how long?

WhenWhat dataWhy (legal basis)Retention
You fill in the contact formName, email and, if you provide them: company, phone, budget, your message and the type of projectTo respond to your request and prepare a proposal (steps prior to a contract)Up to 2 years after our last contact. If it becomes a project, as long as needed for the project and the legal 7-year retention period for invoices
You email, call, send a WhatsApp message or book a callYour name, contact details and what you send meTo answer your question (legitimate interest or steps prior to a contract)Same as above
You use the website checkThe web address you enter. If you request the report by email: your email address, and whether I may contact youTo run the check and send the report (consent). I only get in touch if you ticked that boxResults for up to 1 hour (so you can share them). Email address up to 2 years after our last contact, or shorter if you ask
You accept analytics cookiesData about your visit: pages viewed, device, browser, approximate region. No name or emailTo see how the site is used and improve it (consent)2 months in Google Analytics, cookies up to 2 years in your browser
You visit the websiteTechnical data such as IP address and browser, in the hosting server logsTo keep the site secure and working (legitimate interest)Briefly, only as long as needed for security and troubleshooting
03

Cookies

This website only sets cookies if you consent. Without consent, Google Analytics is not loaded and nothing is sent to Google.

NameFromPurposeRetention
_gaGoogle AnalyticsDistinguishes visitors so visits can be counted2 years
_ga_<ID>Google AnalyticsKeeps track of the session2 years

Your browser also remembers your cookie choice (in localStorage, named cookie-consent). This is needed to respect your choice and is never sent anywhere.

You can change your choice at any time via 'Cookie settings' at the bottom of every page. If you withdraw consent, the site removes the Analytics cookies immediately.

04

Who do I share data with?

I only share your data with services needed to run this website and my business. They either process data on my behalf under a data processing agreement or are responsible themselves:

  • Vercel: website hosting
  • Resend: delivers contact form messages to my inbox, the confirmation to you and the website check report
  • Google (PageSpeed Insights): only if you use the website check. The web address you enter is sent to Google to measure speed; your email address is not
  • Google (Analytics): only if you accept cookies
  • WhatsApp (Meta): only if you contact me via WhatsApp yourself; WhatsApp's privacy policy also applies
  • Cal.com: if you book an intro call through my calendar; Cal.com's privacy policy also applies
  • Anthropic (Claude): only if you use the AI demo. Your questions are sent to Anthropic to generate an answer; don't include personal data
  • My email provider: where requests and emails arrive

Some of these parties are based in the United States. Data is only transferred there with appropriate safeguards, such as the EU-US Data Privacy Framework or the European Commission's standard contractual clauses.

The fonts on this site are served from my own server, not via Google, so no data is sent to Google for that.

05

Security

The website uses a secure connection (https). The contact form is validated on the server and protected against spam. Only I have access to your data.

06

Your rights

You have the right to:

  • access your data
  • have incorrect data corrected
  • have your data deleted
  • restrict or object to the processing
  • receive your data in a common format (portability)
  • withdraw your consent at any time

Send your request to vincent@oosteromstudio.nl. I'll respond within one month. If you're not happy with how I handle your data, you can file a complaint with the Dutch Data Protection Authority (autoriteitpersoonsgegevens.nl).

07

Changes

If anything changes in how I handle data, I'll update this policy. The date at the top shows when it was last updated.