Information Density: BookWyrm – Signal Evidence & AI Readability

BookWyrm

(https://joinbookwyrm.com) 📸 Data Snapshot: June 20, 2026
Information Density — The Lens

Classify each sentence as substantive or hollow. Grounding markers — numbers, currencies, dates, technical units, named entities — outweigh marketing adjectives. When fluff sits right next to hard evidence, the fluff is forgiven.

Info Density Power-words vs. Substance ratio.
25 Impact Weight: 30 / 100
83% Reputation

Information density is exceptionally high for this industry. Headings like ‘Github Bugs and Feature Requests’ and ‘Matrix Developer Chat’ contain specific technical nouns rather than power-word fluff. The body substance ratio is bolstered by a list of over 20 distinct, described community instances, avoiding the generic ‘connecting people’ tropes typical of the category.

Information Density is read straight from the body copy: how much of the text carries grounded, checkable substance versus hollow filler. Below is the clean text the engine analyzed, then the industry’s known generic-claim patterns to weigh it against.

📝 The Narrative — clean text per page (the substance-vs-filler signal)
HOMEPAGE (https://joinbookwyrm.com) BookWyrm: Social Reading and Reviewing
BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering what to read next. Federation allows BookWyrm users to join small, trusted communities that can connect with one another, and with other ActivityPub services like Mastodon and Pleroma.

Decentralized

Friendly

Anti-Corporate

Join BookWyrm

[IMG: A grid of book covers]

Track your reading
And what your friends are reading
Update your reading status as you start and finish books, post status updates as you go, and set an annual reading goal.

[IMG: The preview for]

Discover books
Recommendations from people, not algorithms
See what your friends are reading, and get opinions from your community.

[IMG: The compose status box]

Share your thoughts
The way you want to
Write reviews or post casual commentary as you go, and control who gets to see your posts with granular privacy settings.
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SUB-PAGE (https://joinbookwyrm.com/instances/) BookWyrm: Social Reading and Reviewing
Instead of one huge BookWyrm site, there are many instances of BookWyrm which can interact seamlessly with one another. You can have the benefits of small community you trust, while still interacting with a large network of interesting new people (when you want to).

This means there isn't just one place to sign up! You can select an instance that sounds like a good fit for your interests, or just try one at random — they're all very nice.

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BookWyrm's flagship instance: Talk about books, track your reading, and find out what your friends are reading, on your own terms.

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a social book review site for people who procrastinate on reading or procrastinate by reading

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Siamo la più attiva comunità Italiana per amanti dei libri del fediverso. Con noi è possibile tenere traccia delle proprie letture, discutere di libri, scrivere recensioni e scoprire le letture degli altri.

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The Library of the Uncommons is a gathering place for those seeking to expand their literary horizons and share in their journey with others.

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Join our friendly community of book lovers. We pride ourselves on running a fast and reliable instance and support small independent businesses. We are UK based.

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The Dispossessed and everything else.

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Mit BookWyrm.de Bücher lesen und gemeinsam besprechen.

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Communauté francophone

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pnpde.social Bücherwurm ist der perfekte Ort für alle, die ihre Leidenschaft für Bücher - insbesondere, aber nicht nur Rollenspielbücher - teilen möchten und Wert auf Inklusion legen.

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Istanza romana/italiana

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MXHDR BookWyrm instance

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This instance has no description.

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A generic Bookworm instance for everyone to use

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Tervetuloa pienimuotoiseen, kotikutoiseen ja jäsentensä turvallisuutta ja hyvinvointia vaalivaan lukijayhteisöön!

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Lietuviškai skaitantys knygų graužikai / Lithuanian book lovers

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Book Club of the SFBA.social community. For readers from and interested in the San Francisco Bay Area.

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Instance bookwyrm francophone de gauche.

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La red social del Club de Lectura con más hambre

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Lecturas en español, sin dejar de lado catalán, gallego, euskera, asturiano, aragonés o aranés. Mira los detalles en el link "Más información" y escríbenos. REGISTRO ABIERTO (con la condición de compartir gastos).

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We are collecting books and dreaming about a solarpunk utopia.

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A generalist BookWyrm instance in Australia. All languages welcome. Audiobooks are books.

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This is a Norwegian instance of Bookwyrm. A privacy-friendly place to share the books we love!

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Lecture et critique de tous livres, animées par la communauté gay francophone.

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Para amantes de la lectura de Costa Rica y Centroamérica

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Un lloc on trobar aquell llibre en català introbable a la xarxa! Aquesta instància està creada i pensada pels lectors en català del fedivers. Un lloc on ajuntar-nos i compartir les dèries lectores.

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SUB-PAGE (https://joinbookwyrm.com/get-involved/) BookWyrm: Social Reading and Reviewing
BookWyrm is designed to stay small and personal; if you have feature requests, bug reports, or grand dreams, we'd love for you to join the conversation.

[H2]
Github
Bugs and Feature Requests

BookWyrm's bug tracker and code are hosted on GitHub — it's the best place to report bugs and make feature requests.

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Loomio
Decision-making

Bigger-picture and non-technical decision-making is coordinated on our Loomio group. Everyone who uses BookWyrm is encouraged to take part.

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Crowdin
Translations

Help translate BookWyrm into other languages! You can learn more about the translation process in our documentation.

[H2]
Mastodon
Social Media

You can follow BookWyrm on Mastodon to get updates about new features. Feel free to tag the account or send a direct message if you'd like to get in touch.

[H2]
Matrix
Developer Chat

We use Matrix for BookWyrm development chat — it's a great place to ask questions and get help. It's focused on development of BookWyrm software and running BookWyrm instances, but all kinds of BookWyrm discussion is welcome.

[H2]
Who maintains BookWyrm?
BookWyrm was started by Mouse Reeve - they steer the project, run the flagship instance, and manage the developer community. The project is community run and strives for a welcoming, non-heirarchical environment.
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🧭 Industry Context — common generic-claim patterns in Social Networks, Communities & Forums to weigh the text against
Generic Claims: join the conversation, connecting people worldwide, the community for, your voice matters here, a safer social network, where connections happen…
Red Flags: privacy claims contradicted by terms of service, no content moderation or safety policies, user numbers that cannot be verified, decentralized claims with centralized control, no transparency reporting, monetization model unclear or misleading…
Semantic Drift Patterns: claims privacy-first but terms allow extensive data collection, claims ad-free but monetizes through data or sponsored content, claims community-driven but governance is centralized, claims safe space but no visible content moderation policies…
Proof Expectations: published community guidelines and enforcement data, transparency reports on content moderation, privacy policy with specific data handling details, user count with third-party verification or app store data, governance structure and community input mechanisms, security architecture and encryption details…