Wikipedia:List of online reference desks

This page and its 10 subpages are designed to supplement Reference desk and its seven subpages. These 11 pages can have a number of uses. The following points are useful to anyone consulting this list.
 * They provide a list of alternative places for Wikipedia visitors to ask questions.
 * They provide a list of resources to help Wikipedia respondents to find answers to questions.
 * They provide a means to assist Wikipedians and others in comparing the quality of reference service provided in different places.
 * Inclusion on this list of online reference desks is not an endorsement.
 * Organization of entries follows the list of Dewey Decimal classes.

Sublists

 * List of online reference desks/Directories
 * List of online reference desks/General
 * List of online reference desks/Computing (000, 004, 005, 006)
 * List of online reference desks/Entertainment (780–799)
 * List of online reference desks/Humanities: Philosophy and psychology (100–199), Religion (200–299), Social sciences (300–399), and Literature (800–899)
 * List of online reference desks/Language (400–499)
 * List of online reference desks/Mathematics (510–519)
 * List of online reference desks/Science (500–509, 520–599) and Technology (600–699)
 * List of online reference desks/Miscellaneous (700–779, 900–999)
 * List of online reference desks/Non-English

Wikipedians

 * (Questions can sometimes be given specialized attention by individual Wikipedians, or by groups of members of specific WikiProjects, especially if the questions pertain to improving Wikipedia. An editor can visit a relevant talk page to post a question, or to link to a discussion in progress on one of the subpages of Reference desk.)


 * Category:Wikipedians
 * Category:WikiProjects
 * Database reports/WikiProjects by changes

Articles about online reference desks

 * Wikipedia Reference Desk
 * The Future of Question and Answer Sites - TNW United States (by: The Next Web)
 * 20 years before Google existed, N.Y. Public Library offered a human Google—Mother Nature Network (October 25, 2016)

Change detection and notification

 * (See also: Change detection and notification, Category:Change detection and notification.)


 * ChangeDetection - Know when any web page changes
 * ChangeDetect - Web Page Monitoring - Free Online Service
 * dasPing: start
 * WatchThatPage - Monitor web pages extract new information

Copyright and plagiarism

 * (See also: Copyright, Category:Copyright law, Plagiarism, Category:Plagiarism.)


 * Stanford Copyright &amp; Fair Use Center (by: Stanford University, Stanford, CA)
 * 10 Big Myths about copyright explained (by: Brad Templeton)
 * Public Domain Sherpa - your guide to finding copyright-free works
 * Plagiarism Today
 * Is it Plagiarism or Copyright Violation - Coaching in Writing for Internet

Digital libraries

 * (See also: List of digital library projects, Category:Digital libraries.)


 * The WWW Virtual Library (See: World Wide Web Virtual Library.)
 * World Digital Library Home (See: World Digital Library.)
 * ICDL - International Children's Digital Library (See: International Children's Digital Library.)
 * Refdesk.com
 * ReferenceDesk.org
 * Martindale's "The Reference Desk"

Digital libraries of websites by Dewey Decimal number

 * Dewey Browse
 * DeweyDigger
 * MGPL Webrary&#174; - Webrary Links Menu (by: Morton Grove Public Library, Morton Grove, IL)
 * KidsClick! Web Search
 * Ready Reference - A selection of Web resources (by: Lakewood Public Library, Lakewood, Ohio)
 * A Research Guide for Students with Virtual Library arranged by Dewey
 * Websites by Dewey number | The Foote School Perrine Library (by: Foote School, New Haven, CT)
 * Websites by Dewey Classification
 * Reference Sites (by: Rainbow City Public Library, Rainbow City, Alabama)

Digital library categories in general web directories

 * Digital Libraries in the Best of the Web Directory
 * Digital Libraries in the Yahoo! Directory (See: Yahoo! Directory.)
 * Open Directory - Reference: Libraries: Digital (See: Open Directory Project.)

Directories not in English

 * Le guide des meilleurs sites
 * Annuaire francophone NEToo, le top 10.000 du web francophone
 * SegnaWeb: risorse Internet selezionate dai bibliotecari italiani - Home

Directories of alternative media

 * (See also: Category:Alternative media.)


 * AlternativeNews.net - Best Alternative News Links
 * independentmedia.ca: a directory of non-corporate journalism
 * Citizen journalism directory
 * Alltop - Top Citizen Journalism News
 * Directory - Crowdsourcing.org

Directories of blogs

 * (See also: List of blogs, Category:Blogs.)


 * Blogarama - The Blog Directory - Blogs And Blog Resources
 * Blogs Directory - Blogs-Collection.com
 * Blog Directory

Directories of books

 * (See also: Lists of books, Category:Books, Category:Lists of books, Category:Book websites, Category:Ebook suppliers.)


 * Directory of FREE Online Books and FREE eBooks
 * The Online Books Page (See: Online Books Page, by John Mark Ockerbloom, University of Pennsylvania Libraries, University of Pennsylvania, Philadelphia, PA.)
 * The Used and Rare Books Directory
 * E-Books Directory - Categorized Books, Short Reviews, Free Downloads
 * Project Gutenberg - free ebooks (See: Project Gutenberg.)
 * Published.com - A Free Book Directory. Discover The Best Books Today.

Directories of conferences

 * (See also: Category:Conferences.)


 * AllConferences.Com Conventions Events Meetings
 * Academic conferences worldwide - Conference Alerts

Directories of dictionaries and glossaries

 * (See also: Lists of dictionaries, Category:Dictionaries, Portal:Contents/Glossaries, Category:Glossaries, Category:Wikipedia glossaries.)


 * A-Z-Dictionary.com
 * Glossary Directory - Glossaries & Dictionaries Directory
 * ObjectGraph LLC (several dictionaries)
 * Dictionary, Encyclopedia and Thesaurus - The Free Dictionary (several dictionaries and encyclopedias) (See: TheFreeDictionary.com.)

Directories of dissertations

 * (See also: Thesis.)


 * OATD – Open Access Theses and Dissertations
 * Introduction - Theses Canada - Library and Archives Canada (by: Library and Archives Canada)
 * Dissertation.com - Academic Dissertation Book & Media Publishers
 * Education: Free Dissertations/Theses - Alcove 9: An Annotated List of Reference Websites (Main Reading Room, Library of Congress) (by: Library of Congress)
 * ndltd (NDLTD = Networked Digital Library of Theses and Dissertations)
 * Thesis Abstract | Dissertation Abstracts Thesis Library - Thesis Abstracts Online

Directories of documentary films

 * (See also: List of documentary films, Category:Documentary films.)


 * Top Documentary Films - Watch Free Documentaries Online
 * Main Page - Documentary Pedia

Directories of educational videos

 * (See also: List of educational video websites, Category:Educational websites.)


 * videolectures.net - videolectures.net
 * Educational Videos &#8211; The Best Educational Videos Online | Educational Videos Directory
 * WatchKnowLearn - Free Educational Videos for K-12 Students (See: WatchKnowLearn.)
 * EduTube Educational Videos | Learn something new every day
 * Teach With Movies, Lesson Plans in History, English, Science for High School, Middle School and Elementary

Directories of forums

 * (See also: List of Internet forums, Category:Internet forums.)


 * Directory of FORUMS
 * Online web forums directory - Forum directory
 * Forums Directory :: Forums Directory ForumsInfo.Com

Directories of libraries

 * (See also: List of libraries, Category:Libraries.)


 * Libweb - Library WWW Servers - World Libraries Online
 * Libdex – Worldwide index of library catalogues, libraries &amp; books
 * lib-web-cats: an International Directory of Libraries
 * Public Libraries (United States)
 * Directory of Special Libraries and Information Centers (by: Cengage Learning, Stamford, CT)

Directories of magazines

 * (See also: Lists of magazines, Category:Magazines.)


 * Magazine Directory - Magazines Online
 * Magazine Directory - A National Directory of Magazines. (United States)

Directories of mobile websites

 * (See also: Category:Mobile web.)


 * Mobile Websites – Cantoni.mobi
 * idibidi mobile website directory
 * Mobile Directory and Mobile Website Design
 * Mobile Directory
 * Great Mobile Websites

Directories of museums

 * (See also: List of museums, Category:Museums, .museum.)


 * Museums: Virtual Library museums pages (VLmp)
 * MuseumRegister | an international directory of museums in all categories
 * Search result in the .museum Registry (See: Museum Domain Management Association.)
 * 1000s Of Museums Online : MuseumStuff.com (United States)

Directories of newspapers

 * (See also: Lists of newspapers, Category:Newspapers.)


 * Thousands of newspapers on the Net
 * Sur le web: Presse en ligne
 * Newspapers - Newspaper &amp; News Media Guide ABYZ News Links
 * 4 International Media &amp; Newspapers - world newspapers online
 * Newseum | Today's Front Pages | Map View (See: Newseum.)
 * Newseum | Today's Front Pages | Gallery View (See: Newseum.)
 * Newspapers of the World - Newslink
 * United States Newspapers
 * Google News Archive Search (See: Google News Archive.)

Directories of open-access journals

 * (See also: Academic journal, Open access journal, Category:Academic journals, Category:Lists of academic journals.)


 * DOAJ -- Directory of Open Access Journals (See: Directory of Open Access Journals.)
 * JournalSeek - A Searchable Database of Online Scholarly Journals (See: JournalSeek.)

Directories of OpenCourseWare

 * (See also: Category:OpenCourseWare.)


 * Princeton University: WebMedia - Lectures (See: Princeton University.)
 * Free Online Course Materials | MIT OpenCourseWare (See: MIT OpenCourseWare.)
 * Open Yale Courses (See: Open Yale Courses.)
 * Harvard Open Courses for Free | Open Learning Initiative (See: Harvard Extension School.)

Directories of image-sharing websites

 * (See also: List of image-sharing websites, Category:Image sharing websites.)


 * Photography Sites - Photography Websites - Photography Directory
 * FreePhotoGallery: Photography Directory and Photography Search Engine

Directories of podcasts

 * (See also: List of podcatchers, Category:Podcasting.)


 * PodcastDirectory.com | The big directory for you
 * Podcast Directory : Podfeed.net
 * PodcastAlley.com -- The place to find Podcasts

Directories of radio stations

 * (See also: List of radio stations, Category:Radio stations, Category:Radio spectrum.)


 * Radio-Locator
 * PublicRadioFan.com (See: Public Radio Fan.)
 * RadioStationWorld - Radio Broadcast Directory and Listing of Radio Stations on the Web
 * Radio Stations Streaming on the Internet (United States)
 * HamDepot - Ham Radio Clubs | Amateur Radio Clubs (United States) (See: Amateur radio.)
 * Shortwave Radio Stations and International Broadcasters (See: Shortwave radio.)
 * ShortWaveRadio.com - The superlist of shortwave radio stations!

Directories of repositories

 * (See also: Repository (publishing), Category:Archival science.)


 * OpenDOAR - Home Page - Directory of Open Access Repositories
 * Welcome to the Registry of Open Access Repositories - Registry of Open Access Repositories (See: Registry of Open Access Repositories.)
 * Repositories of Primary Sources (by: University of Idaho Library, University of Idaho, Moscow, ID)

Directories of search engines

 * (See also: List of search engines, Category:Internet search engines.)


 * Find search engines from across the world with Search Engine Colossus
 * Search Engines Directory,Search Engine of Web Directories,Search Engines List and Web directories List
 * Comprehensive list of Search Engines - The Search Engine List

Directories of telephone numbers

 * (See also: Category:Telephone numbers.)


 * Free White Pages - People Search - International Phone Books
 * Country codes & international area codes - HowtoCallAbroad.com
 * Pay Phone Directory (United States, Canada, and some other places)
 * The Telephone EXchange Name Project
 * Internet 800 Directory - Directory of free toll free (tollfree), 800,866,877 and 888 listings of businesses by company, number and type of industry, regardless of long distance carrier.
 * Toll Free Directory | 800 Directory | National Tollfree Directory - Find a Toll Free Number
 * Toll Free Phone Numbers Directory 800 888 Reverse Lookup
 * Home - Wikipages.com ("a wikified yellow pages")
 * Categories: NoPhoneTrees.com
 * Phone Numbers, Shortcuts, Reviews & Customer Tips - Companies Worldwide - GetHuman.com
 * Cell Phone Number | CellPhoneNumber.com
 * Free Cell Phone Directory | Cell Phone Lookup & Reverse Cell Phone Lookup
 * Mobile Phone Directory
 * Yellow Pages Goes Green: Yellow Pages Directory Inc. (United States)
 * Find Phone Numbers of Companies, Email Address, Chat Options, Shortcuts & Tips. - SeekNumber.com (United States)
 * Search a Customer Care Number and other Contact Information to connect with Real Human. Get Genuine Customer Service Phone Number. Support Helpline - Ask2Human.com

Directories of web directories

 * (See also: List of web directories, Category:Web directories.)


 * Web Directories List - 20,000 Up-to-date Directory Listings (free & paid).
 * Best Web Directories - Free &amp; Paid Directory Submission Rankings
 * Web Directory List - Directory of Directories

Directories of web feeds

 * (See also: Web feed, RSS.)


 * Rss Feeds Directory
 * RSS feed Directory - Feedage.com
 * Free Feeds Directory
 * RS Feeds Directory - FREE listing - RSStop10.com

Directories of wikis

 * (See also: List of wikis, Category:Wikis.)


 * Wikimedia Foundation (See: Wikimedia Foundation, Wikimedia wikis.)
 * WikiIndex
 * Wiki Directory - Wiki Spot
 * Wiki Hosting Directory - Find the Best Wiki Hosting providers here
 * Wiki Farms (See: Wiki hosting service.)

Directories of wireless access points

 * (See also: Hotspot (Wi-Fi), Category:Wireless access points.)


 * Fon - Find Fon Hotspots Worldwide
 * JiWire Global Wi-Fi Finder
 * Wi-Fi ZONE&trade; Finder
 * Wi-Fi Hotspot Directory | WLAN Hotspots - WiFi Hot Spots - Free Locations - Public Wireless Lan Internet Access
 * free wi-fi hotspots wifi cafes coffee shops hotels airports RV Parks

Directories of world records

 * (See also: Category:Superlatives, World record, Category:World records.)


 * Guinness World Records - Home of the Longest, Shortest, Fastest, Tallest facts and feats (See: Guinness World Records.)
 * World Records Academy: fastest world record registration services, latest world records from around the world, Book of World Records, Record Breakers Club!
 * The book of alternative records | weird, crazy, incredible and unusual world records!

Directories, miscellaneous (one of each type)

 * useAssociations |  International Directory of Professional Associations
 * OnlineCamera.com - Worldwide Webcam Directory
 * Social Media Websites | Social Media Directory
 * World Government Data | guardian.co.uk (See: guardian.co.uk.)
 * JobHuntersBible.com: [See: Richard Nelson Bolles, What Color Is Your Parachute? (book).]
 * Main Page - Wikidweb ("the Wiki Directory of the Web")
 * International Zip Codes, Reverse Search, Fax Search, Email Search, Outlet Stores, White Pages, Area Codes, Toll-Free Search, People Finder at FreeSearching.com
 * Peelon.com - webinar directory. Find and Promote webinars.
 * ASL Vlog &amp; Video Directory (See: American Sign Language, Video blogging.)
 * The largest Message Boards and Forums on the web!
 * Listorious: Twitter people search and lists directory
 * Pictures
 * AllTheUsenet.Com- Newsgroups, Usenet Provider Directory, Usenet Portal, Usenet Resources Guide, NewsGroups Servers, Newsgroups NewsReader software (See: Usenet newsgroup, Category:Newsgroups.)
 * Melissa DATA: Free Lookups
 * Newsletters - Newsletter Directory Covering Every Topic and Specializing in Investment News. (See: Category:Newsletters.)
 * How to Find Old Newspaper Articles and Magazines Online
 * CataList, the official catalog of LISTSERV lists (See: LISTSERV.)
 * Nupedia Links (compiled by Nupedia and archived by the Wayback Machine)
 * Google Public Data Explorer (See: Google Public Data Explorer.)

Distraction online

 * (See also: Attention, Distraction, Human multitasking.)


 * TELECOM Digest OnLine - Sorted: Aimless Workers 'Wilfing' Through Cyberspace
 * BBC NEWS | Technology | Multitaskers bad at multitasking
 * Unable to focus? Welcome to our distracted society's attention deficit
 * Review - Distracted - Anxiety & Panic

Evaluating information and sources

 * (See also: List of fallacies, Category:Logical fallacies, List of hoaxes, Category:Hoaxes, List of common misconceptions, Category:Error, List of cognitive biases, Category:Cognitive biases, List of memory biases, Identifying reliable sources.)


 * Helpful Hints to Help You Evaluate the Credibility of Web Resources
 * Evaluating Internet Research Sources
 * The Infography ("An Expert Will Guide You to the Best Information")
 * http://neglectedbooks.com/Straight_and_Crooked_Thinking.pdf (See: Robert H. Thouless, Straight and Crooked Thinking.)
 * Verification Handbook: homepage

Google

 * (See also: List of Google products, Category:Google.)


 * Google Scholar
 * Simply Google
 * Interactive online Google tutorial and references - Google Guide
 * 101 Google tips, tricks and hacks | News | TechRadar UK (by: TechRadar)
 * Search Features
 * FGA: Google result counts are a meaningless metric. (See: Search engine test.)

Internet facts

 * (See also: Internet, Category:Internet, World Wide Web, Category:World Wide Web.)


 * The Internet
 * About-the-web Internet Guide
 * Internet 101 &raquo; The world&#8217;s most popular guide to the Internet
 * LEARN THE NET: Your Online Guide
 * 18 Fun Interesting Facts You Never Knew About The Internet | MakeUseOf
 * Eight things you didn't know about the internet - New Scientist
 * Is Google Making Us Stupid? - Magazine - The Atlantic (See: Is Google Making Us Stupid?.)

Internet statistics

 * (See also: Global Internet usage, Category:Internet by country, Domain Name System, Category:Domain Name System.)


 * Internet World Stats - Usage and Population Statistics
 * Domain Counts & Internet Statistics
 * Network Overview /// Internet Traffic Report (See: Internet traffic.)
 * Data Tools | Pew Research Center's Internet &amp; American Life Project (by: Pew Research Center)
 * Domain Counts provided by Domain Worldwide
 * Norid: Domain name registries around the world (See: Top-level domain.)

Lists of web resources

 * (See also: Lists of websites, Category:Websites.)


 * Full List - 50 Best Websites 2009 - TIME [by: Time (magazine)]
 * Lose Your Wikipedia Crutch: 100 Places to Go for Good Answers Online | Distance Degrees.com
 * cooltoolsforschools - Research Tools (hosted by: Wikispaces)
 * Online College Blog and School Reviews | 100 Useful Tips and Tools to Research the Deep Web
 * When Wikipedia Won't Cut It: 25 Online Sources for Reliable, Researched Facts - College Degree.com
 * Research Beyond Google: 119 Authoritative, Invisible, and Comprehensive Resources | OEDb

Mirrors and forks of Wikipedia

 * (These links represent a brief selection of languages. Additional languages are listed in the left column on each of these pages.)


 * English: Mirrors and forks
 * French: fr:Wikipédia:Sites utilisant Wikipédia
 * German: de:Wikipedia:Weiternutzung
 * Italian: it:Wikipedia:Cloni
 * Portuguese: pt:Wikipédia:Clones da Wikipédia
 * Spanish: es:Wikipedia:Espejos de Wikipedia

Miscellaneous links (one of each type)

 * (See also: List of free online resources.)


 * Librarianchick
 * WikiPapers (a wiki about resources about wikis)
 * Internet Accuracy Project
 * Audio Books, Podcasts, Videos, and Free Downloads to Learn From
 * Library Link of the Day
 * Interval Signals Online (See: Interval signal.)

Morse code

 * (See also: Category:Morse code.)


 * learn morse code (See: Morse code.)
 * Just Learn Morse Code
 * Morse Code Translator
 * Morse Code: MIDI &amp; Text Generator
 * Morse Telegraph Club
 * K6DBG streaming cw server ["CNN Breaking News in Morse (25/21/18/13 wpm)"] (Opening the web page, port 8080, downloads a file to a computer's media player, and play begins automatically.)

Praise and criticism

 * (See also: Corrective feedback, Category:Educational assessment and evaluation.)


 * Productive praise and constructive criticism &mdash; Faculty Development
 * Social and Cultural Foundations of American Education/Feedback/Feedback Skills - Wikibooks, open books for an open world(by: Wikibooks)
 * Giving Feedback in Medical Education

Researching online

 * (See also: Internet research, Category:World Wide Web.)


 * Finding Information on the Internet: Table of Contents (by: University of California, Berkeley Libraries)
 * How to Find Anything Online: Become an Internet Research Expert | Webdesigner Depot

Researching with Wikipedia

 * (See also: Reliability of Wikipedia, Researching with Wikipedia, Citing Wikipedia, Category:Wikipedia.)


 * How to Use Wikipedia For Research Papers
 * News: A Stand Against Wikipedia - Inside Higher Ed
 * Digital Literacy Resource - A Guide To Doing Research Online - Using Wikipedia (hosted by: Cornell University, Ithaca, NY)
 * Teaching Central Newsletter :: FaCIT News for Faculty &#8211;  Using Wikipedia to Teach Critical Thinking Skills (hosted by: Central Michigan University)
 * Wikipedia as Participatory Journalism: Reliable Sources? Metrics for evaluating collaborative media as a news source (hosted by: University of Texas at Austin)
 * The Wikipedia Review (see: Wikipedia Review.)
 * Wikipediocracy (see: Wikipediocracy; indirect successor of Wikipedia Review, with a blog and a forum)
 * Offwiki (for discussion about Wikipedia and her sister projects)
 * 2008/9 Wikipedia Selection for schools (See: Wikipedia CD Selection.)
 * Google Maps meets Wikipedia
 * QRpedia - Language-detecting &amp; mobile-friendly Wikipedia QR codes (See: QRpedia.)

Search engines (academic)

 * (See also: List of academic databases and search engines.)


 * RefSeek - Academic Search Engine
 * BASE (Bielefeld Academic Search Engine): Basic Search [See: BASE (search engine).]

Search engines for books

 * The Online Books Page: Search (See: Online Books Page, by John Mark Ockerbloom, University of Pennsylvania Libraries, University of Pennsylvania, Philadelphia, PA.)
 * 140,000 Free eBooks: SEARCH OPTIONS (165,000+ eBooks, eTexts, On-Line Books, eDocuments)
 * Just Free Books - A search engine to find only free ebooks.

Search engines for PDF files

 * (See also: Portable Document Format.)


 * PDF Search Engine.org - Search for PDF files
 * PDF Search Engine - soPDF.com
 * Millions of Free PDF eBooks! Free PDF Search Engine
 * PDF Search Engine, View Download PDF Book, Search eBooks Document
 * PDF Search Engine, free search, PDF download

Search engines for similar websites

 * SimilarSiteSearch.com - The Best Place To Find Similar Websites
 * moreofit - Website Similarity Search Engine

Search engines for Twitter feeds

 * (See also: Twitter, Category:Twitter.)


 * Twitter Advanced Search
 * Twinitor: twitter search and monitoring.
 * monitter : real time, live twitter search and monitoring
 * Snap Bird - search twitter's history
 * Twazzup: Realtime News
 * TweetFeel Twitter Sentiment - Twitter Search with Feelings about anything popular.

Search engines for Twitter users

 * Top Twitter User Rankings & Stats | Twitaholic.com
 * Twitter Stats by Twitter Counter
 * Twitter Directory and Search, Find Twitter Followers : WeFollow
 * First Issue Blog &raquo; Blog Archive   &raquo; A Directory of Book Trade People on Twitter
 * Localtweeps :: Help localize your Twittersphere! :: Home
 * My Twitter Directory :: Twitter Search, Yellow Pages : Find Followers
 * TweetFind Twitter Account Directory - TweetFind

Search engines, miscellaneous (one of each type)

 * (See also: List of search engines, Category:Internet search engines.)


 * BookFinder.com: Search for New & Used Books, Textbooks, Out-of-Print and Rare Books (See: BookFinder.com.)
 * FindHow - The How-To Search Engine
 * TinEye Reverse Image Search (See: TinEye.)
 * Princeton 3D Model Search Engine
 * Global FTP Search Engine: Global File Search Engine (See: File Transfer Protocol.)
 * XPASE - e(X)perimental (P)assive (A)ggressive (S)earch (E)ngine (diversified)
 * Social Searcher - Social Media Search Engine (search posts, users and trends in popular social networks)
 * VIAF (See: Virtual International Authority File.)
 * InfoRapid Knowledge Portal
 * Infotopia--A Google Alternative Safe Search Engine for Students

Tweet analytics

 * a world of tweets
 * http://www.tweetolife.com/gender/

Web analytics

 * (See also: Web analytics, List of web analytics software, Category:Web analytics.)


 * Alexa the Web Information Company (See: Alexa Internet.)
 * Google Analytics | Official Website (See: Google Analytics.)

Web archives

 * (See also: List of Web archiving initiatives, Category:Web archiving initiatives.)


 * Internet Archive: Digital Library of Free Books, Movies, Music & Wayback Machine (See: Internet Archive, Wayback Machine.)
 * WebCite (See: WebCite.)

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