Skip to content

fix(site): make the analytics actually cookieless #69

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vishr merged 1 commit into from
Aug 18, 2026
Merged

fix(site): make the analytics actually cookieless #69

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 15 additions & 2 deletions site/src/components/Analytics.astro
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,10 +74,23 @@ const enabled = Boolean(measurementId) && import.meta.env.PROD;
window.dataLayer = window.dataLayer || [];
function gtag() { window.dataLayer.push(arguments); }
window.gtag = gtag;

// Consent Mode, declared before anything else, is what actually stops
// GA4 writing cookies. Passing `client_storage: "none"` to config does
// not: gtag does not recognise it there and forwards it as a custom
// event parameter, so every hit carried `ep.client_storage=none` while
// `_ga` and `_ga_<id>` were set anyway. Measured in a real browser, not
// assumed — the first version of this file claimed to be cookieless and
// was not.
gtag("consent", "default", {
analytics_storage: "denied",
ad_storage: "denied",
ad_user_data: "denied",
ad_personalization: "denied",
});

gtag("js", new Date());
gtag("config", measurementId, {
// No cookie, so no consent banner, so nothing to click past.
client_storage: "none",
allow_google_signals: false,
allow_ad_personalization_signals: false,
// The path without its query string. See the note in the component
Expand Down