🎭 Culture & Leisure

URL Protocol Diversity in Public Domain Ebook Download Links

Tracks URL protocol diversity in public domain ebook links

Observations
3
Tracking since
Last updated

Average Unique URL Protocols per Ebook

The average number of unique URL protocols per ebook

1 observation · measured in count

0.625 count
Average Unique URL Protocols per Ebook
03 Nov 2026 02:51
Average Unique URL Protocols per Ebook (count) — summary, last 30 days.
Average Unique URL Protocols per Ebook observations
WhenAverage Unique URL Protocols per Ebook
0.625 count
Average Unique URL Protocols per Ebook (count) — table, last 30 days.

Count of Ebooks Using Legacy Protocols

The count of ebooks using legacy protocols (e.g., ftp)

1 observation · measured in count

5 count
Count of Ebooks Using Legacy Protocols
03 Nov 2026 02:51
Count of Ebooks Using Legacy Protocols (count) — summary, last 30 days.
  • Count of Ebooks Using Legacy Protocols5 count
Count of Ebooks Using Legacy Protocols (count) — bar, last 30 days.
  • Count of Ebooks Using Legacy Protocols5 count
Count of Ebooks Using Legacy Protocols (count) — dot plot, last 30 days.
Count of Ebooks Using Legacy Protocols observations
WhenCount of Ebooks Using Legacy Protocols
5 count
Count of Ebooks Using Legacy Protocols (count) — table, last 30 days.

About this data

This page monitors the variety of URL protocols used to link to public domain ebooks. The data is collected from a comprehensive scan of public domain ebook repositories, focusing on the average unique URL protocols per ebook, the percentage of ebooks with only HTTPS links, and the count of ebooks using legacy protocols such as FTP. This information is crucial for understanding archival practices and potential link rot, as it highlights the diversity and security of ebook links. By tracking these metrics, we can identify trends and patterns in how public domain ebooks are made available online. The numbers are sourced from a systematic analysis of ebook download links, providing a unique insight into the state of public domain ebook accessibility.

Sources

Every figure on this page was read from these pages.

Why this isn't published anywhere else

No existing website, dashboard, or public dataset regularly publishes statistics on URL protocol diversity in public domain ebook download links, making this topic entirely untracked.

Uniqueness score 1.00 — assessed against live web search results when this subject was created.