Encyclopedia of Science Fiction

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A searchable reference to science-fiction writing and subjects

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SI Score: 60/100
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Answers use saved listing facts and recorded sources.

What it does

The Encyclopedia of Science Fiction provides entries with search, category browsing, editorial information and citation guidance.

Search an author or subject, then follow related entries to place it in a wider science-fiction context. Use the citation advice when recording an entry, especially when the reference changes over time.

Sources

SFE: SF Encyclopedia Home Page – Monday 26 October 2026 (Oct 26, 2026)

SI Score

60/100

#105 in Reference

Based on published information. No hands-on task test.

Method 2.0 · Published source review Assessed Oct 26, 2026Score ceiling for this evidence: 84/100.

Product usefulness 60

Evidence

Author or subject lookup within a named edition supports a specific science-fiction reference workflow.

Limits: AI review of saved source passages. No hands-on test, human approval or automatic-provider checker receipt.

Source links and check dates are in Sources and checks below.

Separate website checks

These checks do not add points to the SI Score. They inspect the website's HTML, not the product in use.

Basic website checksunknown

No check recorded.

HTML accessibility checksunknown

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Homepage HTML responseunknown

No check recorded.

Trackers in homepage HTMLunknown

No check recorded.

Page date hintsunknown

No check recorded.

Policy links do not verify a company's conduct. An HTML response time is not application speed. Tracker and accessibility checks miss behavior after page load. Copyright dates do not prove product upkeep.

How the SI Score works →

Unconfirmed details may be unassessed, absent from the pages checked or temporarily unreadable. A missing price does not mean the service is free.

Sources and checks

Supporting pages for product usefulness, site facts, prices and separate website checks. Each record keeps its own date. Reading a page does not establish how well the product performs in use.

sf-encyclopedia.com/
- Product usefulness evidenceChecked Oct 26, 2026

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