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Encyclopedia.com

encyclopedia.com

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Spec score 8.4 #4 of 31 in Online Encyclopedias

What it is

Encyclopedia.com is a free web reference service with over 300,000 entries from published sources including Oxford University Press and the Columbia Encyclopedia. It also offers more than 50,000 topic summaries with related pictures, videos, and newspaper and magazine articles. The site says it continually updates partner content and allows searches across more than 200 encyclopedias and reference books. Users can search with keywords or browse alphabetically. Results are ordered by relevance according to how often a search term appears in an article. The FAQ gives citation details for The Columbia Encyclopedia, Sixth Edition, including its 2008 publication information. The service is available on the web, and its privacy policy also refers to a mobile application named “Encyclopedia.” Terms allow personal searching, display, downloading, and printing, but prohibit systematic downloading or scraping without permission. The privacy policy describes collection of account, device, browsing, cookie, and session information, as well as an advertising affiliation with CMI Marketing, doing business as CafeMedia.

Spec sheet

What it does
Encyclopedia.com is a searchable online reference service aggregating material from published encyclopedias and reference books.Read 15 Oct 2026 · encyclopedia.com
Support
The feedback page says users can submit a form but warns that the company cannot respond to all feedback.Read 15 Oct 2026 · encyclopedia.com
Acquisition news
Library Technology reports that Gale acquired HighBeam Research, the producer of Encyclopedia.com, on December 16, 2008, with operations remaining in Chicago and financial terms undisclosed.Read 15 Oct 2026 · librarytechnology.org
Advertising
The privacy policy says the site is affiliated with CMI Marketing, doing business as CafeMedia, for advertising placement and data use.Read 1 Oct 2026 · encyclopedia.com
App-store listing distinction
The Apple App Store listing named “Encyclopedia: 25,000+ topic” identifies Anas Almomany, rather than Encyclopedia.com, as developer.Read 15 Oct 2026 · apps.apple.com
Apple app complaint
Apple reviewers complained about frequent advertisements, long ad blocks, weak search, and alleged data-mining concerns.Read 15 Oct 2026 · apps.apple.com
Audience claim
The homepage says top universities and institutions use Encyclopedia.com for research.Read 15 Oct 2026 · encyclopedia.com
Automation restriction
The terms prohibit crawlers, bots, scraping, and systematic extraction from HTML or the XML interface without written permission.Read 15 Oct 2026 · encyclopedia.com
Citation support
The FAQ provides citation details for The Columbia Encyclopedia, Sixth Edition, including its 2008 publication information.Read 1 Oct 2026 · encyclopedia.com
Content maintenance
Encyclopedia.com says partner content is continually updated.Read 15 Oct 2026 · encyclopedia.com
Content partners
The site identifies Oxford University Press and Columbia Encyclopedia among its published-source partners.Read 15 Oct 2026 · encyclopedia.com
Content updates
Encyclopedia.com says it continually updates content from its partners.Read 1 Oct 2026 · encyclopedia.com
Developer access
The terms mention an XML interface but require written permission for automated access; no public SDK or developer program is described there.Read 15 Oct 2026 · encyclopedia.com
Free content
The about page advertises free access to more than 300,000 reference entries.Read 15 Oct 2026 · encyclopedia.com
Google app complaints
Google Play reviewers criticized missing detail, poor interface design, limited visuals, and allegedly biased or false information.Read 15 Oct 2026 · play.google.com
Google app features
The Farlex app listing describes definitions, images, audio pronunciations, bookmarks, voice search, advanced search, and sharing.Read 15 Oct 2026 · play.google.com
Google Play listing distinction
Google Play lists “Encyclopedia by Farlex” from TheFreeDictionary.com–Farlex, a separate developer from Encyclopedia.com.Read 15 Oct 2026 · play.google.com
Historical launch
Wikipedia records Encyclopedia.com as launched by Infonautics in March 1998.Read 15 Oct 2026 · en.wikipedia.org
Independent company listing
Siteencyclopedia lists HighBeam Research, Inc. as owner, with a Chicago, Illinois address and a 1998 start date.Read 15 Oct 2026 · siteencyclopedia.com
Licence
The terms describe service content and tools as copyrighted or otherwise proprietary and owned, controlled, or licensed by Encyclopedia.com or licensors.Read 15 Oct 2026 · encyclopedia.com
Limit: advertising and navigation
A reviewer said advertisements make text jump and shift during reading, making the site effectively unusable.Read 15 Oct 2026 · smartcustomer.com
Limit: content accuracy
Reviewers alleged that some historical entries contain biased or misleading interpretations, unsupported claims, and opinions presented as facts.Read 15 Oct 2026 · smartcustomer.com
Maker profile
LinkedIn lists Gale, part of Cengage Group, as headquartered in Farmington Hills, Michigan, founded in 1954, with 501–1,000 employees.Read 15 Oct 2026 · linkedin.com
Mobile application
The privacy policy refers to a mobile application named “Encyclopedia” alongside the website.Read 1 Oct 2026 · encyclopedia.com
Ownership history
Wikipedia says Patrick Spain bought Encyclopedia.com in 2002, later operated it through HighBeam Research, and HighBeam was eventually sold to Gale.Read 15 Oct 2026 · en.wikipedia.org
Praise: educational value
A reviewer described the site as an educational hub with broad information and a preferred source for learning.Read 15 Oct 2026 · smartcustomer.com
Praise: research usefulness
Reviewers praised its high-quality material for students and researchers while saying quicker overviews may be better elsewhere.Read 15 Oct 2026 · smartcustomer.com
Privacy collection
The privacy policy describes collection of account, device, IP, browser, page-use, session, cookie, and beacon data and use of IP or device data for targeted advertising.Read 15 Oct 2026 · encyclopedia.com
Rating on Apple App Store
4.1 out of 5 from 74 ratings for “Encyclopedia: 25,000+ topic”Read 15 Oct 2026 · apps.apple.com
Rating on Google Play
4.3 out of 5 from about 2.11K reviews for “Encyclopedia by Farlex”Read 15 Oct 2026 · play.google.com
Rating on Scamadviser
4.2 out of 5 from 36 reviews, combining MyWOT and Sitejabber resultsRead 15 Oct 2026 · scamadviser.com
Rating on SmartCustomer
2.9 out of 5 from 7 reviewsRead 15 Oct 2026 · smartcustomer.com
Reference collection
Encyclopedia.com provides reference entries from credible published sources including Oxford University Press and Columbia Encyclopedia.Read 1 Oct 2026 · encyclopedia.com
Reference coverage
The homepage says users can search more than 200 encyclopedias and reference books.Read 15 Oct 2026 · encyclopedia.com
Reference volume
The site states that it offers over 300,000 reference entries.Read 1 Oct 2026 · encyclopedia.com
Result ranking
Search results are ordered by relevance based on how often the search term appears in an article.Read 1 Oct 2026 · encyclopedia.com
Review collection
SmartCustomer reports that Encyclopedia.com does not proactively invite customers to submit reviews.Read 15 Oct 2026 · smartcustomer.com
Search methods
Users can search by entering keywords or browse entries alphabetically.Read 1 Oct 2026 · encyclopedia.com
Service warranty
Encyclopedia.com disclaims guarantees that the service will be uninterrupted, error-free, accurate, complete, or reliable.Read 15 Oct 2026 · encyclopedia.com
Source breadth
The homepage says users can search over 200 individual encyclopedias and reference books.Read 1 Oct 2026 · encyclopedia.com
Subject browsing
The site organizes browsing into areas including history, medicine, science, technology, literature, people, places, and social sciences.Read 15 Oct 2026 · encyclopedia.com
Topic summaries
The service offers more than 50,000 topic summaries with related pictures, videos, and newspaper or magazine articles.Read 15 Oct 2026 · encyclopedia.com
Traffic trend
Wikipedia cites a decline from roughly four million monthly visits in 2022 to under one million in 2025.Read 15 Oct 2026 · en.wikipedia.org
Typical users
The homepage says top universities and institutions use Encyclopedia.com daily for research.Read 1 Oct 2026 · encyclopedia.com
Usage limits
Terms allow downloading and printing only for personal use and prohibit redistribution, modification, derivative works, and commercial exploitation without permission.Read 15 Oct 2026 · encyclopedia.com

Plans and prices

Free Free over 300,000 reference entries · over 50,000 topic summaries · personal use only Read 15 Oct 2026 · encyclopedia.com

Every Encyclopedia.com plan and price →

Strong points and limits

Strong points

  • Over 300,000 reference entries
  • More than 50,000 topic summaries
  • Search across over 200 reference books
  • Alphabetical browsing and keyword search

Limits

  • Terms prohibit systematic downloading without permission
  • Search ranking depends on term frequency in articles
  • Privacy policy describes collection of browsing and device data

Who it suits

Encyclopedia.com suits readers looking for reference entries and topic summaries from published sources. Its keyword search and alphabetical browsing offer two ways to find material.

Verdict

Encyclopedia.com offers a broad free reference collection with multimedia topic summaries and citation details. Its terms limit use to personal activity and bar systematic downloading without permission.

Where Specifiction places it

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