As of August 2019. Percentages averaged over the last quarter.
Subscriber count: 6100+ (plus an estimated 600 RSS subscribers, according to Squarespace)
Open rate: 51.8%
Click rate: 19.6%
Demographics: 50.6% United States, 7.1% United Kingdom, 4.1% Germany, 38% spread over other countries.
Slot 1: taken by 1Password until 2020-07-17.
Slot 2: available.
Half year: €4000 (26 issues, ~ €150 per issue)
Full year: €7000 (52 issues, ~ €130 per issue)
Your sponsorship message will have the same format as a news item, with a title, link and summary.
There will also be a small note at the top of the newsletter showing your support of that issue.
Questions & interest
If you have any questions or are interested in sponsoring, please contact me at firstname.lastname@example.org.