OK meaning in Internet ?

Answer:

What is Odnoklassniki mean?

Odnoklassniki (Russian: Однокла́ссники, English: Classmates) is a social network service used mainly in Russia and former Soviet Republics. The site was developed by Albert Popkov and launched on March 4, 2006.

The website currently has more than 200 million registered users and 45 million daily unique visitors. Odnoklassniki also currently has an Alexa Internet traffic ranking of 56 worldwide and 7 for Russia. Odnoklassniki is the second most popular social network in Russia, behind VK (VKontakte) but ahead of Facebook, which is in 3rd place.

reference

Full Form	Category
Old Kent Financial Corporation	Business
Orville Knoxville	Business
Opportunity Knocking	Community
Older Kids	Community
Olympia Kiwanis	Community
Oakland Kids	Community
Orrins Kendall	Community
All Correct	Community
Ola Kala (all is alright)	Community
Однокла́ссники	Computing
Objection Killed	Computing
OKCash	Cryptocurrency
Old Keokuk	Earth Science
Other Kitty	General
Original Kaos	General
Oll Korrekt	General
Octopus Kicking	General
Oh Koala	General
Oll Korrect	General
Okay Kitty	General
Orrin Kendall	General
Old Kingdom	General
One Kiss	General
Olla Kalla	General
Ola Kala	General
Objection Killer	General
Our Kids	General
of Knowledge	General
Ol Korrect	General
Orl Korrekt	General
Oll Korrect or Ole Kurreck	General
OKAY	General
Organized Knowledge	Governmental
Zero Kills	Governmental
OrtsKommandantur (Local Commandant)	Governmental
Object Kill	Governmental
Old Kinderhook	Governmental
Okidoki	Internet
Odnoklassniki	Internet
Official Knowledge	Internet
Opportunity Knocks	Jobs
Organizational Knowledge	Jobs
Orange Kitten	Medical
Ornary Kitten	Medical
Off To Kinderhook	Messaging
Operation Klar	Military and Defence
Zero Killed	Military and Defence
Oklahoma	Regional
Ohio and Kentucky	Regional
Old Kentucky	Regional
Obey of Kindness	Regional
Czech Airlines	Transport & Travel