Privacy Policy
Under The Hood Privacy Policy
Last updated: July 11, 2026
Under The Hood is a technical publication about frontend, AI, accessibility, and web internals. This policy explains what information we collect and how we use it.
Information we collect
If you subscribe to the newsletter, we collect your email address so we can send publication updates. If you opt in to WhatsApp notifications, we collect your mobile phone number so we can send operational publishing pipeline updates.
We may also receive basic delivery, engagement, and error information from the services used to send email or WhatsApp messages.
How we use your information
We use subscriber information to send the updates you requested, operate the publication, troubleshoot delivery issues, and understand whether messages are reaching subscribers.
WhatsApp notifications are used for pipeline status, publishing summaries, post statistics, and related operational updates.
Mobile number privacy
We do not sell, rent, or share mobile phone numbers with third parties for their own marketing purposes. Mobile numbers are used only to send messages you opted in to receive and to operate the messaging service.
Message frequency and rates
WhatsApp message frequency may vary, but the expected cadence is up to two operational messages per day. Message and data rates may apply. You can reply STOP to opt out of WhatsApp messages.
Service providers
We use service providers such as hosting, database, email, analytics, AI, and messaging platforms to run the publication and deliver messages. These providers process information on our behalf.
Your choices
You can unsubscribe from email updates using the unsubscribe link in an email. You can opt out of WhatsApp updates by replying STOP.
Contact
For privacy questions, contact the publication owner through the website or reply to a message you received from Under The Hood.