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Basic Information
Alexa Rank636
Page Authority0/100
Domain Authority0/100
Moz Rank0/10
Pageviews1.73M/ Day
Last Updated: 13 Mar 2018
Website Information
Khan Academy | Free Online Courses, Lessons & Practice
width=device-width, initial-scale=1.0, maximum-scale=1.0
You can learn anything. Expert-created content and resources for every subject and level. Always free.
khan academy, learn, videos, lectures, practice, exercises, skills
Khan Academy
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Important Html Tags
  • H1 0
  • H2 0
  • H3 0
  • H4 0
  • STRONG 2
  • A 0
  • IMG 0
Page Size
Code to Text Ratio
4.21% (Text size 1.91Kb and Code size 43.43Kb)
Http Header
HTTP/1.1 301 Moved Permanently
Content-Type: text/html
Content-Length: 0
Connection: keep-alive
Access-Control-Allow-Origin: *
X-Cloud-Trace-Context: 48cb9758f3f1c8e0a0900c2b4650d35a;o=3
Date: Mon, 12 Mar 2018 22:37:53 GMT
Server: Google Frontend
Age: 86272
X-Cache: Hit from cloudfront
Via: 1.1 (CloudFront)
X-Amz-Cf-Id: MI2J_4nkDNOG0pl2uDXj1Gj4y434eoyFWal8hNno9116rXUpB56zZA==

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache, must-revalidate
Set-Cookie: fkey=1.0__S7WhE8mFZQoww==_1520980546; Path=/
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Date: Tue, 13 Mar 2018 22:35:46 GMT
Pragma: no-cache
Expires: Fri, 01 Jan 1990 00:00:00 GMT
Server: Google Frontend
Content-Length: 0

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache
Set-Cookie: fkey=1.0__qcWoadqlu25wA==_1520980546; Path=/
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
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X-Cloud-Trace-Context: 98dcb15bfc438ec1b51fccef5691f638
Date: Tue, 13 Mar 2018 22:35:46 GMT
Server: Google Frontend
Content-Length: 46423
Expires: Tue, 13 Mar 2018 22:35:46 GMT

SemRush Metrics
Semrush Rank116Rank based on keywords, cost and organic traffic
Keywords2936219Number of keywords in top 20 Google SERP
Organic Traffic25378475Number of visitors coming from top 20 search results
Cost (in USD)26515898$How much need to spend if get same number of visitors from Google Adwords
Adwords Keyword4537Keywords a website is buying in Google AdWords for ads that appear in paid search results.
Adwords Traffic40743Number of visitors brought to the website via paid search results.
Adwords budget (in USD)49090$Estimated budget spent for buying keywords in Google AdWords for ads that appear in paid search results (monthly estimation).
DNS Report
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400
khanacademy.orgMXIN300pri: 10
khanacademy.orgMXIN300pri: 5
khanacademy.orgMXIN300pri: 5
khanacademy.orgMXIN300pri: 10
khanacademy.orgMXIN300pri: 1
khanacademy.orgTXTIN300txt: spf2.0/pra -all
entries: Array
khanacademy.orgTXTIN300txt: google-site-verification=sHrvDlgokhtbjBWsn8Dhu616EFRRv8GD0C1AU4_1gl4
entries: Array
khanacademy.orgTXTIN300txt: v=spf1 -all
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entries: Array
khanacademy.orgTXTIN300txt: botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU
entries: Array
khanacademy.orgTXTIN300txt: _globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa
entries: Array
khanacademy.orgTXTIN300txt: globalsign-domain-verification=qV_5Us2mt6FO1Ig5hnG4kYHESYAxuH5-qZ0cRXC-Ig
entries: Array
IP Address Information
Server IP
Server Location
Seattle,WA,United States
Amazon Technologies
Location on MAP
Whois Record
Registry Domain ID: D118495620-LROR
Registrar WHOIS Server:
Registrar URL:
Updated Date: 2014-04-29T00:20:30Z
Creation Date: 2006-03-14T22:24:02Z
Registry Expiry Date: 2019-03-14T22:24:02Z
Registrar Registration Expiration Date:
Registrar:, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited
Domain Status: clientRenewProhibited
Domain Status: clientTransferProhibited
Domain Status: clientUpdateProhibited
Registry Registrant ID: C147839987-LROR
Registrant Name: Shantanu Sinha
Registrant Organization: Khan Academy
Registrant Street: PO Box 1630
Registrant City: Mountain View
Registrant State/Province: California
Registrant Postal Code: 94042
Registrant Country: US
Registrant Phone: +1.6503365426
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: bills@KHANACADEMY.ORG
Registry Admin ID: C147839988-LROR
Admin Name: Shantanu Sinha
Admin Organization: Khan Academy
Admin Street: PO Box 1630
Admin City: Mountain View
Admin State/Province: California
Admin Postal Code: 94042
Admin Country: US
Admin Phone: +1.6503365426
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: bills@KHANACADEMY.ORG
Registry Tech ID: C147839990-LROR
Tech Name: Shantanu Sinha
Tech Organization: Khan Academy
Tech Street: PO Box 1630
Tech City: Mountain View
Tech State/Province: California
Tech Postal Code: 94042
Tech Country: US
Tech Phone: +1.6503365426
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: bills@KHANACADEMY.ORG
Name Server: NS-1489.AWSDNS-58.ORG
Name Server: NS-125.AWSDNS-15.COM
Name Server: NS-1664.AWSDNS-16.CO.UK
Name Server: NS-798.AWSDNS-35.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form:
>>> Last update of WHOIS database: 2018-03-13T22:34:45Z <<<

For more information on Whois status codes, please visit

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