ReaderFunded · site

defnull

defnull.de

defnull is a tech site on defnull.de, in English, funded by its readers: 1 people pay through GitHub Sponsors, as the platform publishes it.

Personal site of German open source developer defnull (Marcel Hellkamp) with a blog, QR code generator, puzzle game and project pages.

Visit defnullSupport on GitHub SponsorsSupport on Ko-fi

Is this your site? There is a badge you can show, with the live figure.

Latest posts

• Bakers' Club2026-07-23
• Python multipart/form-data Parser Benchmark2026-07-08
• Fabricated conditions in AI security reports2026-05-23
• BigBlueButton error codes2026-05-12
• CVE-2026-28356 - multipart2026-03-13
• Introducing BBBLB2025-11-26
• Python yarl (aiohttp) breaks URLs2025-11-02
• Workaround for uv/uvx future import bug2025-06-24

From the site's feed, read 2026-10-14.

Pages

28 pages indexed; the pages that lead the site by its internal links:

Standing

Verified funding

• github_sponsors https://github.com/sponsors/defnullverified 2026-10-24
• kofi https://ko-fi.com/defnullverified 2026-09-02

Badge

For the site's owner: a badge that says readers fund it, linked to this page. It shows the live figure, so it never goes stale; the count is the one the platform publishes.

HTML

<a href="https://readerfunded.com/site/defnull.de"><img src="https://readerfunded.com/badge/defnull.de.svg" alt="Reader-funded: 1 paying supporters on GitHub Sponsors, verified by ReaderFunded" height="20"></a>

Markdown

[![Reader-funded: 1 paying supporters on GitHub Sponsors, verified by ReaderFunded](https://readerfunded.com/badge/defnull.de.svg)](https://readerfunded.com/site/defnull.de)

Neighbourhood

Linked from 6 domains, links to 29; of the latter, the funded sites are shown. Funded sites first, then the sources that link to fewest other funded sites. Links as seen in the Common Crawl domain graph (cc-main-2026-aug-sep-oct), cut 2026-10-23: the pages crawled in a window of three months, not necessarily the site of today, and a page not crawled in that window leaves no link.

Similar funded sites

Sites the same sources link to, by cosine over the sets of linking domains. More.