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Ck12.org Overview

Ck12.org ranking shows that the page is at position 3,960 over the world, while the bulk of its audience is from United States, where it ranks 4,437.

In terms of rank-to-traffic ratio, ck12.org has 49,926 unique users per day, viewing 182,231 pages. The rank based value of ck12.org is 2,412,504 USD. Every user makes 3.94 pageviews on average.

Ck12.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in November 28, 2019, ck12.org has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on January 31, 2021). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GoDaddy.com, Inc..

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ck12.org is a fairly safe domain.

According the Mobile-Friendly test by Google ck12.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Ck12.org Rank Summary

Global Rank
3,960
Average Load Time
1.74sec
Links In Count
8,108
Website Value
$2.2 M

Ck12.org Website Safety

logo
Overview
Last Updated: 08/12/2022
Overall result - ck12.org is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton connect safe logo
Norton Connect Safe
Last Updated: 01/28/2022
ck12.org is safe.
Norton ConnectSafe evaluates ck12.org for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 10/10/2016
ck12.org is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google safe brwosing logo
Google Safe Browsing
Last Updated: 08/11/2020
ck12.org is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee logo
Site Advisor
Last Updated: 02/22/2021
ck12.org is safe.
McAfee assesses ck12.org for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ck12.org for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/09/2019
ck12.org child safety is very good.
The WOT calculates reputation of the ck12.org. This reputation system receives ratings from users and information from third-party sources, assesses the ck12.org for safety features and confirms, whether ck12.org is suitable for children.

SSL Information
Domain*.ck12.org
Issuer OrganizationGoDaddy.com, Inc.
IssuerGo Daddy Secure Certificate Authority - G2
AlgorithmRSA-SHA256
Valid form01/09/2018
Expiration01/31/2021
SignedCertificate is not self signed
Additional Domains *.ck12.org
ck12.org

Ck12.org Hosting Information

Server Location

ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 04/21/2022

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Ck12.org Domain Registration and Settings

WHOIS

Domain Name: CK12.ORG
Registry Domain ID: D135194116-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2018-03-01T18:45:38Z
Creation Date: 2006-12-16T08:37:03Z
Registry Expiry Date: 2022-12-16T08:37:03Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization:
Registrant State/Province: FL
Registrant Country: US
Name Server: NS-1136.AWSDNS-14.ORG
Name Server: NS-161.AWSDNS-20.COM
Name Server: NS-1687.AWSDNS-18.CO.UK
Name Server: NS-977.AWSDNS-58.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-04-25T13:18:10Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Ck12.org HTML Check


Errors
Warnings

Ck12.org Desktop Performance

Last tested: 12/07/2019

Speedometer image
Desktop Speed
74%

Desktop Resource Breakdown
Total Resources51
Number of Hosts23
Static Resources34
JavaScript Resources25
CSS Resources8

Ck12.org Mobile Insights

Last tested: 05/31/2017

Speedometer image
Mobile Usability
99%
Speedometer image
Mobile Speed
49%

Mobile Resource Breakdown
Total Resources117
Number of Hosts27
Static Resources97
JavaScript Resources41
CSS Resources7

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