Ck12.org Website Stats

(Updated 4062 days ago)

Domain :	ck12.org
Domain Title :	CK-12 Foundation \| Free Online Textbooks, FlashCards, Exercises, RWA's, Simulations
WRPage :	Complete In-Page SEO Analysis
WRScore WRScore(beta) is calculated on the basis of pageviews, unique visitors and unique content. :	ck12.org Reviewed by WebRankStats on Dec 05 . Rating: Rating: 5.61 out of 10
Website IP :	184.73.109.235
Hosting Country :	UNITED STATES

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General Information

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 :
XML Sitemap :
Robots.txt :
Gzip Compress :
Text/HTML Ratio :	3.40%

Website Ranks

Alexa Rank :	107,749 visit Alexa
Compete Rank :	22,531 visit Compete
Quantcast Rank :	N/A visit Quantcast

Website Safety

McAfee SiteAdvisor :	visit SiteAdvisor
WOT :	visit WOT

Pages Indexed

Google :	435,000 visit Google
Bing :	37 visit Bing

Backlinks

Google :	0 visit Google
Bing :	0 visit Bing

Sociometer

Facebook Likes :	1,143
Stumbleupon :	5,368
LinkedIn :

Server Analysis

IP Address :	184.73.109.235
Latitude :	39.0437
Longitude :	-77.4875
Region :	ASHBURN, VIRGINIA
Country :	UNITED STATES

HTTP Header Analysis

HTTP Header reponses of ck12.org is the information we get when HTTP request sent to a server from connecting clients(e.g. chrome, firefox). When you input an address into your browser it sends a request to the server hosting the domain and the server responds. HTTP Header information is not directly displayed by normal web browsers like chrome, firefox etc.

HTTP/1.1 302 Found
Cache-Control: no-cache
Content-length: 0
Location: http://www.ck12.org/
Connection: close

HTTP/1.1 302 Found
Date: Thu, 05 Dec 2013 18:30:47 GMT
Server: Apache/2.2.22 (Ubuntu)
Pragma: no-cache
Cache-Control: no-cache
Location: http://www.ck12.org/student/
Content-Length: 239
Vary: User-Agent,Accept-Encoding
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Thu, 05 Dec 2013 18:30:48 GMT
Server: Apache/2.2.22 (Ubuntu)
Pragma: no-cache
Cache-Control: no-cache
Set-Cookie: flxweb_role=student; Path=/
Content-Length: 35316
Vary: User-Agent,Accept-Encoding
Content-Type: text/html; charset=utf-8

DNS Record Analysis

There are total 12 records in domain name system (DNS) of ck12.org, which includes 3 Address(A) records, 6 Mail Exchange(MX) records, 2 Name Server(NS) records and 1 Start of Authority(SOA) record.

Host Name of the node to which this record pertains	Type Type of resource record in symbolic representation.	IP/Target	TTL Count of seconds that the resource record stays valid.	Extra Info Additional resource record-specific data
ck12.org	A Address Record: A 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but also used for DNSBLs, storing subnet masks in RFC 1101.	54.204.228.216	119
ck12.org	A Address Record: A 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but also used for DNSBLs, storing subnet masks in RFC 1101.	184.73.109.235	119
ck12.org	A Address Record: A 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but also used for DNSBLs, storing subnet masks in RFC 1101.	50.17.156.120	119
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	alt1.aspmx.l.google.com	120	pri: 30
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	alt2.aspmx.l.google.com	120	pri: 30
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	aspmx2.aspmx.l.google.com	120	pri: 50
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	aspmx.l.google.com	120	pri: 10
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	aspmx5.aspmx.l.google.com	120	pri: 50
ck12.org	MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.	aspmx4.aspmx.l.google.com	120	pri: 50
ck12.org	NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.	ns1.ck12.org	86399
ck12.org	NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.	ns2.ck12.org	86399
ck12.org	SOA Start of Authority Record: Specifies authoritative information about a DNS zone, including the primary name server, the email of the domain administrator, the domain serial number, and several timers relating to refreshing the zone.		604800	mname: ns1.ck12.org rname: ops.ck12.org serial: 1386187804 refresh: 604800 retry: 86400 expire: 2419200 minimum-ttl: 604800

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