The product problem
Long-form content often ends with a passive related-links block. Publishers may want a lightweight interaction without turning every article into a bespoke mini-app.
Why this placement can work
A puzzle works best as a post-reading activity, not as filler inside the article. The host page keeps ownership of the content while the embed supplies the interaction and daily rotation.
Implementation notes
- Keep the article useful without the widget.
- Place the embed after a natural section break or near the article end.
- Use a transparent surface when the publication already has a strong card system.
- Give the placement a source label tied to the publication or section, not the individual reader.
What to avoid
- Do not create thin articles solely to host an embed.
- Do not interrupt reading every few paragraphs with repeated puzzle widgets.
A practical example
A weekend science newsletter archive adds a “2-minute logic break” below each finished article. Readers get today’s pair while the article remains the page’s main purpose.
Minimal HTML
<iframe
src="https://puzru.com/embed/?mode=daily&source=blog-puzzle&theme=auto&surface=card"
title="Daily logic puzzle"
loading="lazy"
sandbox="allow-scripts allow-same-origin allow-popups"
referrerpolicy="strict-origin-when-cross-origin"
style="display:block;width:100%;max-width:540px;height:720px;border:0;background:transparent"
></iframe>