Information Density: LibriVox – Signal Evidence & AI Readability

LibriVox

(https://librivox.org) 📸 Data Snapshot: May 27, 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.
26 Impact Weight: 30 / 100
87% Reputation

The site exhibits high information density with a near-zero saturation of power words. Headings like [H3] The Black Cat Vol. 06 No. 06 and [H3] How to Be a Man are strictly descriptive of the product rather than marketing fluff. The body text provides specific metadata for every entry, including author names (Harvey Newcomb, Albert Payson Terhune) and project status (Complete | Solo | English), which results in a high substance-to-fluff ratio. A minor penalty is applied for the repetition of the ‘free public domain audiobooks’ value proposition four times across the homepage and About page.

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://librivox.org) LibriVox | free public domain audiobooks
[IMG: book-cover-65x65]
[H3] The Black Cat Vol. 06 No. 06 March 1901
VariousComplete | Collaborative | English
[IMG: book-cover-65x65]
[H3] How to Be a Man
Harvey Newcomb (1803 - 1863)Complete | Collaborative | English
[IMG: book-cover-65x65]
[H3] The Story of Damon and Pythias
Albert Payson Terhune (1872 - 1942)Complete | Solo | English
[IMG: book-cover-65x65]
[H3] Anecdotes and Illustrations
Reuben Archer Torrey (1856 - 1928)Complete | Collaborative | English
[IMG: book-cover-65x65]
[H3] Darkness and Daylight
Mary Jane Holmes (1825 - 1907)Complete | Solo | English
[IMG: book-cover-65x65]
[H3] The Radio Boys at the Sending Station or Making Good in the Wireless Room
Allen ChapmanComplete | Solo | English
[IMG: book-cover-65x65]
[H3] Esse Quam Videri
John Hay (1835 - 1905)Complete | Poetry_weekly | English
[IMG: book-cover-65x65]
[H3] Prayers When the Door is Shut
VariousComplete | Collaborative | English
[IMG: book-cover-65x65]
[H3] Pastors and Masters
Ivy Compton-Burnett (1884 - 1969)Complete | Solo | English
[IMG: book-cover-65x65]
[H3] Das wandernde Licht
Ernst von Wildenbruch (1845 - 1909)Complete | Solo | German
1145 chars
SUB-PAGE · THIN (https://librivox.org/search/title/) Browse Catalog | LibriVox
[H2] Advanced Search
[H5] Fill in as many fields & options as you like.

[H4] Project type

all
solo
group

Donate to LibriVox
Thank a reader

LibriVox recordings are Public Domain in the USA. If you are not in the USA, please verify the copyright status of these works in your own country before downloading, otherwise you may be violating copyright laws.

[H4]
397 chars
SUB-PAGE · THIN (https://librivox.org/author/18/) Works by Various | LibriVox
[H4] Project type

all
solo
group

Donate to LibriVox
Thank a reader

LibriVox recordings are Public Domain in the USA. If you are not in the USA, please verify the copyright status of these works in your own country before downloading, otherwise you may be violating copyright laws.
292 chars
SUB-PAGE (https://librivox.org/pages/about-librivox/) About LibriVox | LibriVox
[H1] About LibriVox

[H2] LibriVox Objective
To make all books in the public domain available, narrated by real people and distributed for free, in audio format on the internet.
[H2] Our Fundamental Principles
Librivox is a non-commercial, non-profit and ad-free project
Librivox donates its recordings to the public domain
Librivox is powered by volunteers
Librivox maintains a loose and open structure
Librivox welcomes all volunteers from across the globe, in all languages
[H3] More Information
What We Do
Resources and Partners
In the Press
Inspirations
The Beginning
Contact
[H3] What We Do
LibriVox volunteers record chapters of books in the public domain, and then we release the audio files back onto the net for free. All our audio is in the public domain, so you may use it for whatever purpose you wish. Please note: Our readers are free to choose the books they wish to record. LibriVox sees itself as a library of audiobooks. Because the books we read are in the public domain, our readers and listeners should be aware that many of them are very old, and may contain language or express notions that are antiquated at best, offending at worst.
Volunteering for LibriVox is easy and does not require any experience with recording or audio engineering or acting or public speaking. All you need is a computer, a microphone, some free recording software, and your own voice. We accept all volunteers in all languages, with all kinds of accents. You’re welcome to volunteer to read any language you speak, as long as you can make yourself understood in it. You don’t need to audition, but we do suggest a 1-Minute Test recording just to check your setup. We’ll accept you no matter what you sound like.
We operate almost exclusively through Internet communications on our forum, where all your questions will be answered by our friendly community.
For more detailed information, see our FAQ.
We’d like your help. Click to learn about volunteering for LibriVox.
[H3] Resources and Partners
We get most of our texts from Project Gutenberg, and the Internet Archive hosts our audio files (for free!).
In early 2010 we ran a fund-raising drive to raise $20,000 for our expenses for the next few years. In July 2013 we launched a new fund-raising drive with the goal of raising $50,000 for short and long term expenses. If you would like to help, please visit our Donate Page.
[H3] In the Press
Some press articles about LibriVox have appeared in the following:
Reason Magazine
Los Angeles Times
Montreal Gazette
New York Times
red hat magazine
The World – BBC Radio
wired.com
IT conversations (audio)
creative commons
wikinews
Les Echos (fr)
[H3] Inspirations
LibriVox was inspired by AKMA’s audio volunteer project that brought Lawrence Lessig’s book, Free Culture, to your ears.
Other inspirations include:
Urban Art Adventures and the podchef
Wikipedia
Richard Stallman & the Free Software movement
Project Gutenberg
Creative Commons
Internet Archive
Brewster Kahle’s talk: Universal Access to All Human Knowledge
[H3] The Beginning
LibriVox was started in August 2005, by Hugh McGuire. An interview with Paula B from The Writing Show describing LibriVox in its earliest days can be found here.
[H3] Contact
If you want to give feedback, please read this first.
The best way to get in touch is on our Forum.
Send us an email at: info[AT]librivox[DOT]org
3375 chars
🧭 Industry Context — common generic-claim patterns in Media, News & Publishing to weigh the text against
Generic Claims: trusted news source, unbiased reporting, the truth, delivered, journalism that matters, breaking news first, award-winning journalism…
Red Flags: no named editorial staff, sponsored content without clear labelling, no corrections or complaints policy, ownership and funding not disclosed, aggregated content presented as original reporting, no distinction between news and opinion…
Semantic Drift Patterns: claims editorial independence but content is sponsored, claims fact-checked but no corrections policy visible, homepage says investigative but content is aggregated wire stories, claims community voice but no local reporting staff…
Proof Expectations: named journalists and editorial staff, published editorial standards and ethics code, corrections and complaints policy, ownership and funding transparency, press council or regulatory membership, advertising and editorial separation policy…