Last updated: 2026-04-21
duo.ca is the marketing site for DUO (operating as Justin DeMarchi, sole proprietor, Toronto, Ontario, Canada). This page lists the cookies and similar browser storage the site uses, what each one is for, and how to opt out. Questions go to justin@duo.ca.
What a cookie is
A cookie is a small file a website stores in your browser so it can remember something about your visit. Some cookies are essential for the site to function. Others are used to understand usage in aggregate. duo.ca does not use cookies for advertising and does not embed third-party ad trackers.
Cookies this site uses
The table below covers everything duo.ca sets directly or through a first-party integration. It is a short list because the site does not run ads, does not embed social widgets, and does not host video from third-party players.
Records which pages are read, where visitors come from, and how they move through the site. Used to understand what is working and inform what to publish next. No personally identifiable information is shared with PostHog.
Expires: Up to 1 year
Remembers a theme or display preference if you set one on the site, so it persists between visits.
Expires: 1 year
Records that you have seen and acknowledged the cookie notice, so we do not show it again on every page load.
Expires: 1 year
Managing your preferences
Every modern browser lets you block or delete cookies. Links to instructions:
Blocking analytics cookies will not stop you from using the site. Blocking the essential consent cookie just means the notice will re-appear on future visits.
Do Not Track
There is no settled standard for responding to Do Not Track signals. duo.ca does not currently respond to them. If you want to opt out of analytics, use the browser settings above.
Third-party analytics
PostHog is the one third-party service that sets a cookie on duo.ca. To understand how PostHog processes data, see their privacy policy. No other third parties set cookies through this site.
Updates to this policy
If we add or remove tools, this page gets updated and the date at the top changes. See the privacy policy for how we handle personal information more broadly.
Contact
Questions about this policy: justin@duo.ca.