Ck12.org
CK12-FoundationDomain Summary
What is the traffic rank for Ck12.org?
• Ck12.org ranks #42,511 globally on HypeStat.
What percent of global Internet users visit Ck12.org?
• 0.0045933% of global Internet users visit Ck12.org
How many people visit Ck12.org each day?
• Ck12.org receives approximately 226.4K visitors and 410,301 page impressions per day.
Which countries does Ck12.org receive most of its visitors from?
• Ck12.org is mostly visited by people located in United States,Mexico,Philippines.
How much Ck12.org can earn?
• Ck12.org should earn about $1,677.04/day from advertising revenue.
What is Ck12.org estimated value?
• Estimated value of Ck12.org is $1,853,208.87.
What IP addresses does Ck12.org resolve to?
• Ck12.org resolves to the IP addresses 13.249.85.68.
Where are Ck12.org servers located in?
• Ck12.org has servers located in Ashburn, Virginia, 20149, United States.
ck12.org Profile
Title:CK12-Foundation
Description:CK12, a non-profit organization launched in 2006, aims to reduce the cost of textbook materials for the K-12 market both in the US and worldwide. Using an open-source, collaborative, and web-based compilation model that can be manifested as an adaptive textbook - termed the "FlexBook", CK12 intends to pioneer the generation and distribution of high quality educational web texts. ...
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About:
CK12, a non-profit organization launched in 2006, aims to reduce the cost of textbook materials for the K-12 market both in the US and worldwide. Using an open-source, collaborative, and web-based compilation model that can be manifested as an adaptive textbook - termed the "FlexBook", CK12 intends to pioneer the generation and distribution of high quality educational web texts. ...
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 Edit Site Info
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 Edit Site Info
What technologies does ck12.org use?
These are the technologies used at ck12.org. ck12.org has a total of 12 technologies installed in 14 different categories.ck12.org Traffic Analysis
Ck12.org is ranked #42,511 in the world. This website is viewed by an estimated 226.4K visitors daily, generating a total of 410.3K pageviews. This equates to about 6.9M monthly visitors. Ck12.org traffic has increased by 31.14% compared to last month.Daily Visitors226.4K
29.04%
Monthly Visits6.9M
31.14%
Pages per Visit1.81
11.68%
Visit duration08:45
2.14%
Bounce Rate66.61%
9.32%
Is this your site?Verify your site's metrics.
- Daily Unique Visitors:
- 226,445
- Monthly Visits:
- 6,861,284
- Pages per Visit:
- 1.81
- Daily Pageviews:
- 410,301
- Avg. visit duration:
- 08:45
- Bounce rate:
- 66.61%
- Global Reach:
- 0.0045933%
- Monthly Visits (SEMrush):
- 4,220,685
- Monthly Unique Visitors (SEMrush):
- 2,743,856
- Monthly Visits (SimilarWeb):
- 6,726,095
- HypeRank:
- 42,511
- SEMrush Rank:
- 2,477
Traffic sources
- Direct:
- 24.56%
- Referral:
- 23.84%
- Search:
- 50.99%
- Social:
- 0.12%
- Paid:
- 0.48%
Desktop vs Mobile
- Desktop:
- 57.33%
- Mobile:
- 42.67%
Visitors by country
- Country
- Users%
- United States 61.35%
- Mexico 7.20%
- Philippines 6.25%
- India 2.98%
- Venezuela 2.07%
Where do visitors go on ck12.org?
- Reach%Pageviews%PerUser
- ck12.org
- 94.84%82.49%2.92
- flexbooks.ck12.org
- 15.87%11.54%2.44
- interactives.ck12.org
- 2.86%1.82%2.14
- braingenie.ck12.org
- 1.92%3.46%6.050
- gamma.ck12.org
- 0.31%0.62%6.690
Backlinks Report ▼
Ck12.org has a total of 75,402 backlinks from 1,187 referring domains and most of them comes from United States.- Total Backlinks:
- 75,402
- Follow Links:
- n/a
- Nofollow Links:
- n/a
- Referring Domains:
- 1,187
- Referring IPs:
- 1,191
- Authority Domain Score:
- 73
Backlinks by country
- Country
- Domains
- United States 757
- Singapore 176
- Germany 27
- Canada 20
- France 19
Backlinks by TLDs
- TLD Distribution
- Domains
- .com
- 629
- .org
- 94
- .pw
- 90
- .edu
- 10
- .gov
- 2
Last update was 416 days ago
This can take up to 60 seconds. Please wait...
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*HypeStat.com is not promoting or affiliated with ck12.org in any way. Only publicly available statistics data are displayed.
Search Engine Indexes ▼
Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.- Google Index:
- 173,000
- Bing Index:
- 882,000
- Baidu Index:
- 348
▼
SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.- Domain:
- ck12.org
- Rank:
(Rank based on keywords, cost and organic traffic) - 2,477
- Organic Keywords:
(Number of keywords in top 20 Google SERP) - 682,160
- Organic Traffic:
(Number of visitors coming from top 20 search results) - 1,382,716
- Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords) - $553,430.00
Revenue report ▼
Google.com would generate approximately $1.7K per day if the source of income were advertisements, which equates to an estimated monthly revenue of $50.3K and annual gross revenue of approximately $612.1K. Based on these figures, the site's net worth is estimated at around $1.9M.How much would ck12.org make?
- Daily Revenue:
- $1,677.04
- Monthly Revenue:
- $50,311.20
- Yearly Revenue:
- $612,119.60
Daily earning by country
- CountryPageviewsEarning
- India 4,103$1.56
- Egypt 0$0.00
- Indonesia 0$0.00
- Kuwait 0$0.00
- Viet Nam 0$0.00
Loss of money due to Adblock?
- Daily Revenue Loss:
- $292.49
- Monthly Revenue Loss:
- $8,774.62
- Yearly Revenue Loss:
- $106,757.82
- Daily Pageviews Blocked:
- 63,227
- Monthly Pageviews Blocked:
- 1,896,822
- Yearly Pageviews Blocked:
- 23,077,995
Daily revenue loss by country
- CountryBlockedLost Money
- India 1,149$0.44
- Egypt 0$0.00
- Indonesia 0$0.00
- Kuwait 0$0.00
- Viet Nam 0$0.00
How much is ck12.org worth?
- Website Value:
- $1.9M
Ad Experience Report ▼
Summary of the ad experience rating of a website for a specific platform.Mobile summary
- Root domain:
- ck12.org
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Desktop summary
- Root domain:
- ck12.org
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Abusive Experience Report ▼
Summary of the abusive experience rating of a website.- Root domain:
- ck12.org
- Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.) - Off
- Status:
(The status of the site reviewed for the abusive experiences.) - Not reviewed
Where is ck12.org hosted? ▼
Ck12.org may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.- Server IP:
- 13.249.85.68
- ASN:
- AS16509
- ISP:
- Amazon.com, Inc.
- Server Location:
- Ashburn
Virginia, VA
20149
United States, US
Other sites hosted on 13.249.85.68
How fast does ck12.org load? ▼
The average loading time of ck12.org is 73 ms. The Desktop speed index is 49 and mobile speed index is 100.- Average Load Time:
- 73 ms
Page Speed (Google PageSpeed Insights) - Desktop
Field Data
Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
First Contentful Paint (FCP)0
First Input Delay (FID)0
Origin Data
All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
First Contentful Paint (FCP)0
First Input Delay (FID)0
Lab Data
Page Speed (Google PageSpeed Insights) - Mobile
Field Data
Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
First Contentful Paint (FCP)0
First Input Delay (FID)0
Origin Data
All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
First Contentful Paint (FCP)0
First Input Delay (FID)0
Lab Data
Does ck12.org use compression? ▼
Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on ck12.org are reduced by 62%.
ck12.org use gzip compression.
Original size: 8.5 KB
Compressed size: 3.17 KB
File reduced by: 5.33 KB (62%)
Compressed size: 3.17 KB
File reduced by: 5.33 KB (62%)
Google Safe Browsing ▼
Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious
MyWot.com Reputation Ratings
MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites. ck12.org has 91 Safety Reputations.- Status:
- SAFE
- Safety Reputations:
- 91
- Safety Confidence:
- 37
- Child Safety Reputations:
- 93
- Child Safety Confidence:
- 39
SSL Checker - SSL Certificate Verify ▼
An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. ck12.org supports HTTPS. ck12.org supports HTTPS
Verifying SSL Support. Please wait...
Common Name: *.ck12.org
Organization:
Location:
Issuer: Go Daddy Secure Certificate Authority - G2
Valid from: Dec 6 00:50:41 2022 GMT
Valid until: Jan 7 00:50:41 2024 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Organization:
Location:
Issuer: Go Daddy Secure Certificate Authority - G2
Valid from: Dec 6 00:50:41 2022 GMT
Valid until: Jan 7 00:50:41 2024 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: Go Daddy Secure Certificate Authority - G2
Organization: "GoDaddy.com, Inc.", OU = http://certs.godaddy.com/repository/
Location: Scottsdale, Arizona, US
Issuer: Go Daddy Root Certificate Authority - G2
Valid from: May 3 07:00:00 2011 GMT
Valid until: May 3 07:00:00 2031 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Organization: "GoDaddy.com, Inc.", OU = http://certs.godaddy.com/repository/
Location: Scottsdale, Arizona, US
Issuer: Go Daddy Root Certificate Authority - G2
Valid from: May 3 07:00:00 2011 GMT
Valid until: May 3 07:00:00 2031 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Go Daddy Root Certificate Authority - G2
Organization: "GoDaddy.com, Inc."
Location: Scottsdale, Arizona, US
Issuer:
Valid from: Jan 1 07:00:00 2014 GMT
Valid until: May 30 07:00:00 2031 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Organization: "GoDaddy.com, Inc."
Location: Scottsdale, Arizona, US
Issuer:
Valid from: Jan 1 07:00:00 2014 GMT
Valid until: May 30 07:00:00 2031 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name:
Organization: "The Go Daddy Group, Inc.", OU = Go Daddy Class 2 Certification Authori
Location: US
Issuer:
Valid from: Jun 29 17:06:20 2004 GMT
Valid until: Jun 29 17:06:20 2034 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Organization: "The Go Daddy Group, Inc.", OU = Go Daddy Class 2 Certification Authori
Location: US
Issuer:
Valid from: Jun 29 17:06:20 2004 GMT
Valid until: Jun 29 17:06:20 2034 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Verify HTTP/2 Support ▼
HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency. ck12.org supports HTTP/2
Verifying HTTP/2.0 Support. Please wait...
Http Header ▼
HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.content-length: 0
location: https://www.ck12.org/
server: CloudFront
date: Wed, 08 Mar 2023 02:00:28 GMT
via: 1.1 419c9901ed027566ceb381cbfb7dd6c0.cloudfront.net (CloudFront)
alt-svc: h3=":443"; ma=86400
age: 9333
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
referrer-policy: strict-origin-when-cross-origin
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
x-cache: Hit from cloudfront
x-amz-cf-pop: ORD52-C1
x-amz-cf-id: 2Qk3Pj1ntM_jbCSFcq3X7emBAx0NTYD1vliiNXx-sXmM5cShULdGBA==
HTTP/2 302
content-type: text/plain; charset=UTF-8
content-length: 123
location: https://www.ck12.org/student/
access-control-allow-headers: Content-Type, *
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-encoding: gzip
date: Tue, 07 Mar 2023 22:46:48 GMT
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
x-content-type-options: nosniff
vary: Accept-Encoding
via: 1.1 26ffdea84ae47bd968b852d7f646629e.cloudfront.net (CloudFront)
alt-svc: h3=":443"; ma=86400
age: 20954
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
x-cache: Hit from cloudfront
x-amz-cf-pop: ORD52-C1
x-amz-cf-id: x6SelO62JZ1CN0tPt2CDWDO0RVxLSHoq7zpyCFZ8hqxl1XbeO-lZeA==
HTTP/2 200
content-type: text/html; charset=utf-8
content-length: 3251
access-control-allow-headers: Content-Type, *
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-encoding: gzip
date: Tue, 07 Mar 2023 22:46:48 GMT
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
x-content-type-options: nosniff
vary: Accept-Encoding
via: 1.1 26ffdea84ae47bd968b852d7f646629e.cloudfront.net (CloudFront)
alt-svc: h3=":443"; ma=86400
age: 20954
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
set-cookie: flxweb_role=; Max-Age=0; Path=/; expires=Wed, 31-Dec-97 23:59:59 GMT
set-cookie: flxweb_role=student; Domain=ck12.org; Max-Age=604800; Path=/; expires=Tue, 14-Mar-2023 22:46:48 GMT; secure
x-cache: Hit from cloudfront
x-amz-cf-pop: ORD52-C1
x-amz-cf-id: kNV1mHHVkTz9jG-eoVcitvfEx8OoonWWkLBJpYWPP8oGiGTzPbpioQ==
DNS Lookup ▼
DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.Type | Ip | Target/Txt | TTL |
CAA | 242 | ||
CAA | 242 | ||
TXT | 62 | ||
TXT | 62 | ||
TXT | 62 | ||
MX | 62 | ||
MX | 62 | ||
MX | 62 | ||
MX | 62 | ||
MX | 62 | ||
MX | 62 | ||
MX | 62 | ||
SOA | 842 | ||
Mname | ns-161.awsdns-20.com | ||
Rname | awsdns-hostmaster.amazon.com | ||
Serial Number | 1 | ||
Refresh | 7200 | ||
Retry | 900 | ||
Expire | 1209600 | ||
Minimum TTL | 86400 | ||
A | 54.192.51.24 | 2 | |
A | 54.192.51.65 | 2 | |
A | 54.192.51.21 | 2 | |
A | 54.192.51.87 | 2 | |
NS | 3496 | ||
NS | 3496 | ||
NS | 3496 | ||
NS | 3496 |
Whois Lookup ▼
Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on December 16, 2006 and will expire on December 16, 2027 if not renewed. This website is now assigned through the registrar Network Solutions, LLC. The WHOIS data for this website's domain was last updated on October 22, 2022.- Domain Created:
- 2006-12-16
- Domain Expires:
- 2027-12-16
- Domain Updated:
- 2022-10-22
- Domain Age:
- 17 years 4 months 11 days
- Domain Registrar:
- Network Solutions, LLC
- Domain Owner:
- REDACTED FOR PRIVACY
- WhoIs:
Domain Name: ck12.org Registry Domain ID: e552d21b95954857afcf7ece2fab50b1-LROR Registrar WHOIS Server: whois.networksolutions.com Registrar URL: http://www.networksolutions.com Updated Date: 2022-10-22T07:16:03Z Creation Date: 2006-12-16T08:37:03Z Registry Expiry Date: 2027-12-16T08:37:03Z Registrar: Network Solutions, LLC Registrar IANA ID: 2 Registrar Abuse Contact Email: Registrar Abuse Contact Phone: +1.8777228662 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registry Registrant ID: REDACTED FOR PRIVACY Registrant Name: REDACTED FOR PRIVACY Registrant Organization: Registrant Street: REDACTED FOR PRIVACY Registrant City: REDACTED FOR PRIVACY Registrant State/Province: FL Registrant Postal Code: REDACTED FOR PRIVACY Registrant Country: US Registrant Phone: REDACTED FOR PRIVACY Registrant Phone Ext: REDACTED FOR PRIVACY Registrant Fax: REDACTED FOR PRIVACY Registrant Fax Ext: REDACTED FOR PRIVACY Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Registry Admin ID: REDACTED FOR PRIVACY Admin Name: REDACTED FOR PRIVACY Admin Organization: REDACTED FOR PRIVACY Admin Street: REDACTED FOR PRIVACY Admin City: REDACTED FOR PRIVACY Admin State/Province: REDACTED FOR PRIVACY Admin Postal Code: REDACTED FOR PRIVACY Admin Country: REDACTED FOR PRIVACY Admin Phone: REDACTED FOR PRIVACY Admin Phone Ext: REDACTED FOR PRIVACY Admin Fax: REDACTED FOR PRIVACY Admin Fax Ext: REDACTED FOR PRIVACY Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Registry Tech ID: REDACTED FOR PRIVACY Tech Name: REDACTED FOR PRIVACY Tech Organization: REDACTED FOR PRIVACY Tech Street: REDACTED FOR PRIVACY Tech City: REDACTED FOR PRIVACY Tech State/Province: REDACTED FOR PRIVACY Tech Postal Code: REDACTED FOR PRIVACY Tech Country: REDACTED FOR PRIVACY Tech Phone: REDACTED FOR PRIVACY Tech Phone Ext: REDACTED FOR PRIVACY Tech Fax: REDACTED FOR PRIVACY Tech Fax Ext: REDACTED FOR PRIVACY Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. 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: 2023-03-08T04:36:59Z