Your Preferences

Colour Scheme

We have attempted to decompose our themes into several axes depending on your accessibility needs:

This control responds to prefers-color-scheme

Preferred Light Theme

Preferred Dark Theme

UI Contrast

This control responds to prefers-contrast

UI Theme


While some of our fonts are available on Google Fonts, we do not use Google Fonts to serve them.

Font for code blocks:

Data Privacy

We collect the following information on visitors:

We do not have information correlating visits across pages, we cannot identify if you visit one page, or many pages in a single visit.

You can see the aggregate collected information in Plausible.

We do not have access to more granular data.

However, if you wish you may opt out of these aggregate statistics.

Input: What you provide
  • Device information
  • Location (country granularity)
  • Page visited
Output: How we use it
  • Helps us request Grant Funding
  • Helps us know who is using our tutorials
  • Makes authors happy to know people love their tutorial!

Opt out from plausible:


When something breaks on the GTN in the UI, we collect information about how that happened to help our developers fix problems within the GTN.

Input: What you provide
  • Device information
  • Page
  • Stack trace
  • GTN Javascript variables
Output: How we use it
  • Fixing JavaScript Bugs
  • Especially from unusual platforms which we cannot test on.

Opt out from sentry:


Here we expose the several types of data storage that browsers offer, so you can easily see what data this website creates and uses:


This data is never transferred to the server


This data is never transferred to the server, and is deleted when your browser window closes.


This data is automatically transferred to the server. You can clear it using your browser’s tools: