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Ck12.org
CK12.ORG - FlexBooks
Added: 2015-04-01 00:00:00 (9 years, 19 days, 2 hours ago)
Ck12.org is ranked #322,858 among the most popular web sites, the lower the rank indicator the more popular is the web site and the more visitors it has. Ck12.org is registered in 2006-12-16 owned by CK12 Foundation, website’s age 17 years, 4 months, 4 days years. The number of unique users visiting this website every day is 1,421. Each individual visits 2.1 unique pages per day. Approximate time spent on a web site 02:35. It has 681 backlinks according to Alexa. Ck12.org daily advertisement revenue is $28 USD. According to our analysis the approximate value of the website is $10,231 US Dollars. Most popular search engine request "buy cymbalta online". Website’s IP address is 174.129.227.201 which is hosted by Amazon.com, site server is located in Seattle WA in United States. Google PageRank™ of the website is 6 of 10. Ck12.org reputation rank is 94 of 100. The web site is not listed in DMOZ open directory project.
1,421
visitors/daily
$28 USD
daily
$10,231 USD
total
| Overview Information about Ck12.org | |
|---|---|
| Title |
|
| Description | CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. As a leading member of the OER movement, CK-12 is using an open-content, web-based collaborative model termed the "FlexBook". With these free, common core aligned and NSES aligned digital textbooks, CK-12 intends to pioneer the generation and distribution of high quality educational STEM content that will serve both as core text as well as provide an adaptive environment for learning through the FlexBook Platform™. |
| Keywords | free online textbooks, next generation textbooks, online textbooks, textbooks, customizable textbooks, open source education, open source, k-12, high school, math |
| Alexa Rank | #322,858 |
| Alexa Backlinks | 681 |
| Estimated Daily Traffic | 1,421 visitors |
| Estimated Daily Revenue | $28.42 USD |
| Website Worth | $10,231.20 USD |
| Domain Name | Ck12.org |
| Domain Created | 2006-12-16 (17 years, 4 months, 4 days ago) |
| Domain Expires | 2017-12-16 (in 6 years, 4 months, 4 days) |
| Domain Registrar | Public Interest Registry |
| Domain Owner | CK12 Foundation |
| Domain Nameservers |
ns23.worldnic.com (205.178.190.12) ns24.worldnic.com (206.188.198.12) |
| Google Analytics ID | UA-5330854 |
| Google PageRank™ |
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|
| Yahoo Indexed | 4,480 pages |
| Server IPs | 174.129.227.201 |
| Server Provider | Amazon.com |
| Server Location | 
United States, Seattle |
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Ck12.org is visited by around 1,421 unique visitors per day. Every visitor of this website viewing approximately 2.1 pages per day.
We found 681 backlinks to Ck12.org from other web sites. The largest number of backward links are 0, the smallest number of links are 0, the average number of links are 0 refer to this web site.
Using information from users, and other reliable sources, Ck12.org has the reputation 94 out of 100.
- Trustworthiness is 94 points. Shows general level of users trust for this website.
- Vendor reliability is 94 points. This shows the trust level for business operations on the website.
- Privacy is 94 points. The trust level for protection of users privacy.
- Child Safety is 94 points. Trust level for its availability for children.
Main HTML elements that might affect on search engines ranking.
| <H1> Tags: | 0 | <H2> Tags: | 0 |
|---|---|---|---|
| <H3> Tags: | 0 | <H4> Tags: | 0 |
| <H5> Tags: | 0 | <H6> Tags: | 0 |
| IFrames: | 0 | Flash: | No |
| Total Links: | 0 | Total Images: | 0 |
| Language: | English | Text/Html Ratio: | - |
| Doctype: | No | Microformats: | Not found |
The top queries driving traffic to Ck12.org from search engines.
| Query | Search Traffic |
|---|---|
| hyperakt | 11.82% |
| hyperact | 5.67% |
| hyperact dataviz | 4.92% |
| julia vakser | 4.07% |
| css award news websites | 3.89% |
| hyperakt design | 3.29% |
| hyperkt design | 3.29% |
| deroy peraza and julia vakser | 3.14% |
| hyperaktt | 2.70% |
| meaningful design projects | 2.68% |
High impact keywords that attract search engine traffic.
Visitor's map indicates that Ck12.org has 1,421 daily visitors from 3 countries, 25.00% of visitors come from United States .
| Country | Percent of Visitors | Daily Visitors |
|---|---|---|
| United States |
25.00% | 355 |
 Italy |
17.40% | 247 |
 United Kingdom |
9.10% | 129 |
Detailed information about the server that hosts Ck12.org
| Server IPs: | 174.129.227.201 |
|---|---|
| Server Name: | Apache/2.2.12 (Ubuntu) |
| Server Provider: | Amazon.com |
| Server Location: |
Seattle WA in United States
|
| Charset: | UTF-8 |
Server located:
Seattle WA in United States
The IP address of Ck12.org is 174.129.227.201.
From the HTTP headers of Ck12.org, you will know that HTTP status code is HTTP/1.1 200 OK, server name is Apache/2.2.12 (Ubuntu).
| HTTP/1.1 200 OK |
| Date : Sat, 12 May 2012 04:38:56 GMT |
| Server : Apache/2.2.12 (Ubuntu) |
| Vary : Cookie,Accept-Encoding,User-Agent |
| Set-Cookie : sessionid=1db94a273b329b568b7b0d2dd91c1ce5; Domain=.www.ck12.org; expires=Sun, 12-May-2013 04:38:56 GMT; Max-Age=31536000; Path=/ |
| Content-Encoding : gzip |
| Connection : close |
| Transfer-Encoding : chunked |
| Content-Type : text/html; charset=utf-8 |
| Set-Cookie : SERVERID=web2; path=/ |
The ratio of outbound links to inbound links influences the distribution of the weight of a website as a whole.
- This website contains 0 outbound links. The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website contains 0 internal links. The maximum value is 0, the minimum value is 0, while the average value is 0.
The chart shows how Ck12.org indexed in major search engines.
- Google indexed 0 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Yahoo indexed 4,480 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Bing indexed 0 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
PageRank™ is a link analysis algorithm used by Google™.
Google™ assigned this website a Pagerank of 6. The maximum value is 0, the minimum value is 0, while the average value is 0.
The W3C Markup Validation Service is a validator by the World Wide Web Consortium (W3C), which allows Internet users to check HTML and XHTML documents for well-formed markup.
- This website has 0 Error(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website has 0 Warning(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- Validation details: W3C HTML Validation.
Links (even if they have nofollow attributes) from major social networks is a "human" signal for search engines, which has some influence (non-determining influence) on the position of your website in search results.