Just three kinds of cookies. No tracking maze.
Cookies are small files your browser stores so the site can remember things between visits. Here is exactly which ones we use, why, and how to control them.
Last updated · April 2026
Keeps you signed in and remembers your reading preferences. The site cannot work without these.
Session — 12 months
Anonymized analytics so we can see which articles work and where the site is slow.
24 months
Remembers smaller things like your dark-mode choice or saved filter on the PDF library.
12 months
Manage in your browser
Every modern browser lets you block, clear, or limit cookies. Look in Settings → Privacy. Doing this is fine — but signing back in will be a bit slower.
Manage on this site
You can update your optional cookie choices any time from your account settings. We respect every opt-out within 24 hours.