Ck12.org

Website Ranking Data
Current Alexa Rank

20,182

Updated Feb 01 2023
Historical Rank
Ck12.org historical owner info, name servers, Analytics ID, Adsense ID, Addthis ID, advertisers, screenshots, meta tags, whois, site and server info.
Estimated Visitors

154,949

Daily Unique Visitors

4,803,416

Monthly Visitors

57,640,992

Yearly Visitors
Reddit links
Overall links 37
Overall rank 240741
Overall share < 0.01%
Since 2010-01-01 up to 2019-08-09
Domain Information
Registrar Network Solutions, LLC (R63-LROR)
Created 16.12.2006
Updated 11.07.2012
Expiration 16.12.2017
Name Server Information
ns1.ck12.org
ns2.ck12.org
Web Server Information
IP Address 54.243.211.55
Server Response 200
Web Server Apache/2.2.22 (Ubuntu)
Updated: 2015-11-03
Top related sites:
Top ck12 sites
Meta Tags and Data
Title
Free Online Textbooks, Flashcards, Practice, Real World Examples, Simulations | CK-12 Foundation
Meta Description
CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history
Meta Keywords
K-12 education, Flexbook, OER, Curriculum, Digital textbooks, Ebooks, Lesson plan, Worksheet, Textbook, Study guides, Study material, Teacher resources, Online textbooks, STEM, Practice, Peer Help
Archived Meta Tags Updated: 2015-11-03
Whois Information
Name
CK12 Foundation
Organization
CK12 Foundation
Street
ATTN insert domain name here
City
Drums
Postal Code
18222
Country
UNITED STATES
Phone
15707088780
Archived Whois Data Updated: 2015-11-15
Server Response
ServerApache/2.2.22 (Ubuntu)
Pragmano-cache
Cache-Controlno-cache
P3PCP="ALL DSP COR CURa OUR IND ONL COM NAV INT CNT STA PRE"
VaryUser-Agent,Accept-Encoding
Access-Control-Allow-HeadersContent-Type, *
Access-Control-Allow-MethodsGET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Credentialstrue
Content-Encodinggzip
Content-Typetext/html; charset=utf-8
Updated: 2015-11-03
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