Top 5 Most Popular Sites In The World

Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engines, cloud computing, software, and hardware. Google was founded in 1998 by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University in California. Together they own about 14 percent of its shares and control 56 percent of the stockholder voting power through supervoting stock. They incorporated Google as a privately held company on September 4, 1998. An initial public offering (IPO) took place on August 19, 2004, and Google moved to its headquarters in Mountain View, California nicknamed the Googleplex

Formerly
Google Inc. (1998–2017)
Type
Subsidiary
Industry
  • Internet
  • Software
  • Computer hardware
FoundedSeptember 4, 1998; 20 years ago in Menlo Park, California
Founders
  • Larry Page
  • Sergey Brin
Headquarters1600 Amphitheatre Parkway,
Mountain View, California
 ,
The U.S.
Area served
Worldwide
Key people
  • Sundar Pichai (CEO)
  • Ruth Porat (CFO)
ProductsList of Google products
Number of employees
85,050 (Q1 2018)
ParentAlphabet Inc. (2015–present)
SubsidiariesList of subsidiaries
Websitegoogle.com

YouTube, is the 2nd  Most Pupular Site Youtube LLC is an American video-sharing website headquartered in San Bruno, California. Three former PayPal employees-Chad Hurley, Steve Chen, and Jawed Karim created the service in February 2005. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google's subsidiaries.
YouTube allows users to upload, view, rate, share, add to favorites, report, comment on videos, and subscribe to other users. It offers a wide variety of user-generated corporate media videos. Available content includes video clips, TV show clips, music videos, short and documentary films, audio recordings, movie trailers, live streams, and other content such as video blogging, short original videos, and educational videos. Most of the content on YouTube is uploaded by individuals, but media corporations including CBS, the BBC, Vevo, and Hulu offer some of their material via YouTube as part of the YouTube partnership program. Unregistered users can only watch videos on the site, while registered users are permitted to upload an unlimited number of videos and add comments to videos. Videos deemed potentially inappropriate are available only to registered users affirming themselves to be at least 18 years old.
The YouTube logo is made of a red round-rectangular box with a white "play" button inside and the word "YouTube" written in black.

Type of businessSubsidiary
Type of site
Video hosting service
FoundedFebruary 14, 2005; 13 years ago
Headquarters901 Cherry Avenue
San Bruno, California,
United States
Coordinates37°37′41″N 122°25′35″W
Area servedWorldwide (except for blocked countries)
OwnerAlphabet Inc.
Founder(s)
  • Chad Hurley
  • Steve Chen
  • Jawed Karim
Key peopleSusan Wojcicki (CEO)
Chad Hurley (advisor)
IndustryInternet
Video hosting service
ParentGoogle (2006–present)
WebsiteYouTube.com
(see list of localized domain names)
Alexa rank 2 (Global, December 2018)
AdvertisingGoogle AdSense
Facebook, Inc. is an American online social media and social networking service company based in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg, along with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes.
Facebook Logo (2015) light.svg

Mark Zuckerberg's profile (viewed from the login page)
Type of businessPublic
Type of site
Social networking service
Available inMulti-Language(140)
Traded as
  • NASDAQ: FB (Class A)
  • NASDAQ-100 component
  • S&P 100 component
  • S&P 500 component
FoundedFebruary 4, 2004; 14 years ago in Cambridge, Massachusetts
Headquarters
1 Hacker Way
(aka 1601 Willow Road)
Menlo Park, California
 ,
U.S.
Coordinates37.4848°N 122.1484°W
Area servedUnited States (2004–present)
Worldwide, except blocking countries(2005–present)
Founder(s)
  • Mark Zuckerberg
  • Eduardo Saverin
  • Andrew McCollum
  • Dustin Moskovitz
  • Chris Hughes
Key peopleMark Zuckerberg

IndustryInternet
ProductsMessenger
Watch
RevenueIncrease US$40.653 billion (2017)
Operating incomeIncrease US$20.203 billion (2017)
Net incomeIncrease US$15.934 billion (2017)
Total assetsIncrease US$84.524 billion (2017)
Total equityIncrease US$74.347 billion (2017)
Employees30,275 (June 30, 2018)
SubsidiariesInstagram
WhatsApp
Oculus VR
Websitewww.facebook.com or
www.fb.com
Alexa rank 3 (December 2018)
RegistrationRequired
UsersIncrease 2.2 billion monthly active users (January 2018)
Current statusActive
Written inC++, PHP (as HHVM)
Baidu, Inc. (Chinese: Bǎidù, anglicized), incorporated on 18 January 2000, is a Chinese multinational technology company specializing in Internet-related services and products and artificial intelligence, headquartered at the Baidu Campus in Beijing's Haidian District. It is one of the largest AI and internet companies in the world. The holding company of the group was incorporated in the Cayman Islands. Baidu was established in 2000 by Robin Li and Eric Xu. Baidu is currently ranked 4th overall in the Alexa Internet rankings
Baidu.svg
Type of site
Public
Traded asNASDAQ: BIDU
FoundedJanuary 1, 2000; 18 years ago
Headquarters
Beijing
 ,
China
Area servedWorldwide
Key peopleRobin Li (Chairman, CEO) 
IndustryInternet
ServicesSearch engine
Revenue
Increase CNY 84.809 billion
(2017) 
Operating income
Increase CNY 15.691 billion
(2017) 
Net income
Increase CNY 18.288 billion
(2017) 
Total assets
Increase CNY 251.728 billion
(2017) 
Total equity
Increase CNY 119.350 billion
(2017) 
Employees
(2017) 
42,200
Websitewww.baidu.com
Alexa rank 4 (Global, September 2017)

Wikipedia (/ˌwɪkɪˈpiːdiə) is a multilingual, web-based, free encyclopedia based on a model of openly editable and viewable content, a wiki. It is the largest and most popular general reference work on the World Wide Web and is one of the most popular websites by Alexa rank. It is owned and supported by the Wikimedia Foundation, a non-profit organization that operates on money it receives from donors.
Wikipedia was launched on January 15, 2001, by Jimmy Wales and Larry Sanger. Sanger coined its name, as a portmanteau of wiki and "encyclopedia". Initially, an English-language encyclopedia, versions in other languages were quickly developed. With 5,769,778 articles, the English Wikipedia is the largest of the more than 290 Wikipedia encyclopedias. Overall, Wikipedia comprises more than 40 million articles in 301 different languages and by February 2014 it had reached 18 billion page views and nearly 500 million unique visitors per month.
A white sphere made of large jigsaw pieces, with letters from several alphabets shown on the pieces
Wikipedia wordmark
The logo of Wikipedia, a globe featuring glyphsfrom several writing systems
show
Screenshot
Type of site
Online encyclopedia
Available in303 languages
OwnerWikimedia Foundation
Created byJimmy Wales, Larry Sanger
Websitewikipedia.org
Alexa rank 5 (Global, December 2018)
CommercialNo
RegistrationOptional
Users>309,295 active users and >79,226,273 registered users
LaunchedJanuary 15, 2001; 17 years ago
Current statusActive
Content license
CC Attribution / Share-Alike 3.0
Most text is also dual-licensed under GFDL  media licensing varies
Written inLAMP platform
OCLC number52075003