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Free Online Textbooks, Flashcards, Adaptive Practice, Real World ...
www.flexbook.org/
CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from ...

Flexbook.org

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Conversion Technology Metas Server
Flexbook.org is hosted in United States / Ashburn . Flexbook.org uses HTTPS protocol. Number of used technologies: 6. First technologies: CSS, Html, Html5, Number of used javascripts: 4. First javascripts: 28889104.js, Dexterjs.min.js, Globals.js, Number of used analytics tools: 2. First analytics tools: Google Tagmanager, Optimizely, Its server type is: Apache/2.2.22 (Ubuntu).

Technologies in use by Flexbook.org

Technology

Number of occurences: 6
  • CSS
  • Html
  • Html5
  • Iframe
  • Javascript
  • SVG

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Javascripts

Number of occurences: 4
  • 28889104.js
  • dexterjs.min.js
  • globals.js
  • require.js

Analytics

Number of occurences: 2
  • Google Tagmanager
  • Optimizely

Server Type

  • Apache/2.2.22 (Ubuntu)

CDN

Number of occurences: 1
  • CloudFront

Google Tag Manager ID

  • GTM-NFJ3V2

Conversion rate optimization
visitors Clickable call number Not founded!
visitors Conversion form (contact form, subcriber) Not founded!
visitors Clickable email Not founded!
visitors CTA (call to action) button Founded!
visitors List Founded!
visitors Image Not founded!
visitors Enhancement Not founded!
visitors Responsive website Founded!
visitors Facebook sharing Not founded!
visitors Google+ sharing Not founded!
visitors Twitter sharing Not founded!
visitors Linkedin sharing Not founded!
visitors Blog on the webiste Not founded!

HTTPS (SSL) - Flexbook.org

SSL certificate

    • name: /OU=Domain Control Validated/CN=*.ck12.org
    • subject:
      • OU: Domain Control Validated
      • CN: *.ck12.org
    • hash: 46e0779d
    • issuer:
      • C: US
      • ST: Arizona
      • L: Scottsdale
      • O: GoDaddy.com, Inc.
      • OU: http://certs.godaddy.com/repository/
      • CN: Go Daddy Secure Certificate Authority - G2
    • version: 2
    • serialNumber: 5252785443950378023
    • validFrom: 141223210438Z
    • validTo: 180131214717Z
    • validFrom_time_t: 1419368678
    • validTo_time_t: 1517435237
    • extensions:
      • basicConstraints: CA:FALSE
      • extendedKeyUsage: TLS Web Server Authentication, TLS Web Client Authentication
      • keyUsage: Digital Signature, Key Encipherment
      • crlDistributionPoints: Full Name: URI:http://crl.godaddy.com/gdig2s1-87.crl
      • certificatePolicies: Policy: 2.16.840.1.114413.1.7.23.1 CPS: http://certificates.godaddy.com/repository/
      • authorityInfoAccess: OCSP - URI:http://ocsp.godaddy.com/ CA Issuers - URI:http://certificates.godaddy.com/repository/gdig2.crt
      • authorityKeyIdentifier: keyid:40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
      • subjectAltName: DNS:*.ck12.org, DNS:ck12.org
      • subjectKeyIdentifier: 30:95:97:EA:9B:B7:68:0A:17:96:6B:B9:90:6F:5E:EE:4D:D9:61:1B

Meta - Flexbook.org

Number of occurences: 12
  • Name: author
    Content: CK-12 Foundation
  • Name:
    Content: http://www.ck12.org
  • Name: keywords
    Content: K-12 education, Flexbook, OER, Curriculum, Digital textbooks, Ebooks, Lesson plan, Worksheet, Textbook, Study guides, Study material, Teacher resources, Online textbooks, STEM, Adaptive Practice, Peer Help
  • Name: description
    Content: 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
  • Name: google-play-app
    Content: app-id=org.ck12.app.practice
  • Name: apple-itunes-app
    Content: app-id=909343639
  • Name: viewport
    Content: width=device-width
  • Name: google-site-verification
    Content: wHx0f-Udlfd7ZNYNrIXpJVpjjO8nSH5RE0jIX8V-jIM
  • Name: google-translate-customization
    Content:
  • Name: application-name
    Content: CK-12 Foundation
  • Name: msapplication-TileColor
    Content: #003300
  • Name: msapplication-TileImage
    Content: //d7xhsdl7qa50.cloudfront.net/media/build-20160726214750/images/ck12-logo-livetile.png

Server / Hosting

  • IP: 107.22.233.201
  • Latitude: 39.05
  • Longitude: -77.47
  • Country: United States
  • City: Ashburn

Rname

  • ns56.worldnic.com
  • ns55.worldnic.com
  • p.webcom.ctmail.com

Target

  • namehost.WORLDNIC.COM

HTTP Header Response

HTTP/1.1 200 OK Date: Mon, 01 Aug 2016 16:08:05 GMT Server: Apache/2.2.22 (Ubuntu) Pragma: no-cache Cache-Control: no-cache Set-Cookie: flxweb_role=student; Max-Age=604800; Path=/; expires=Mon, 08-Aug-2016 16:08:05 GMT Content-Length: 68151 P3P: CP="ALL DSP COR CURa OUR IND ONL COM NAV INT CNT STA PRE" Vary: User-Agent,Accept-Encoding Access-Control-Allow-Headers: Content-Type, * Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS Access-Control-Allow-Credentials: true Content-Type: text/html; charset=utf-8 X-Cache: MISS from s_sr109 X-Cache-Lookup: MISS from s_sr109:80 Via: 1.1 s_sr109 (squid/3.5.14) Connection: keep-alive

DNS

host: flexbook.org
  1. class: IN
  2. ttl: 7200
  3. type: A
  4. ip: 107.22.233.201
host: flexbook.org
  1. class: IN
  2. ttl: 7200
  3. type: NS
  4. target: ns56.worldnic.com
host: flexbook.org
  1. class: IN
  2. ttl: 7200
  3. type: NS
  4. target: ns55.worldnic.com
host: flexbook.org
  1. class: IN
  2. ttl: 7200
  3. type: SOA
  4. mname: NS55.WORLDNIC.COM
  5. rname: namehost.WORLDNIC.COM
  6. serial: 114081918
  7. refresh: 10800
  8. retry: 3600
  9. expire: 604800
  10. minimum-ttl: 3600
host: flexbook.org
  1. class: IN
  2. ttl: 3600
  3. type: MX
  4. pri: 10
  5. target: p.webcom.ctmail.com

Common Typos/Mistakes

This list shows You some spelling mistakes at internet search for this domain.

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