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学乐无忧，介绍有效工具，分享前端技术，拓宽ITè§†é‡ ...
www.51len.com/
学乐无忧，介绍有效工具，分享前端技术，拓宽IT视野，让前端学习更简单ã ...

51len.com

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Conversion Technology Metas Server
51len.com is hosted in Netherlands / Amsterdam . 51len.com uses HTTPS protocol. Number of used technologies: 3. First technologies: CSS, Html, Html5, Number of used javascripts: 0. Number of used analytics tools: 0. Its server type is: GitHub.com.

Technologies in use by 51len.com

Technology

Number of occurences: 3
  • CSS
  • Html
  • Html5

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Server Type

  • GitHub.com

Conversion rate optimization
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visitors Clickable email Not founded!
visitors CTA (call to action) button Not founded!
visitors List Founded!
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visitors Linkedin sharing Not founded!
visitors Blog on the webiste Not founded!

HTTPS (SSL) - 51len.com

SSL certificate

    • name: /C=US/ST=California/L=San Francisco/O=Fastly, Inc./CN=www.github.com
    • subject:
      • C: US
      • ST: California
      • L: San Francisco
      • O: Fastly, Inc.
      • CN: www.github.com
    • hash: aa8b042d
    • issuer:
      • C: US
      • O: DigiCert Inc
      • OU: www.digicert.com
      • CN: DigiCert SHA2 High Assurance Server CA
    • version: 2
    • serialNumber: 9939957917575002227491009216425967204
    • validFrom: 160120000000Z
    • validTo: 170406120000Z
    • validFrom_time_t: 1453248000
    • validTo_time_t: 1491480000
    • extensions:
      • authorityKeyIdentifier: keyid:51:68:FF:90:AF:02:07:75:3C:CC:D9:65:64:62:A2:12:B8:59:72:3B
      • subjectKeyIdentifier: 64:BF:44:B3:46:09:9B:CF:5A:1D:71:49:A2:04:72:8B:88:34:84:23
      • subjectAltName: DNS:www.github.com, DNS:*.github.com, DNS:github.com, DNS:*.github.io, DNS:github.io, DNS:*.githubusercontent.com, DNS:githubusercontent.com
      • keyUsage: Digital Signature, Key Encipherment
      • extendedKeyUsage: TLS Web Server Authentication, TLS Web Client Authentication
      • crlDistributionPoints: Full Name: URI:http://crl3.digicert.com/sha2-ha-server-g5.crl Full Name: URI:http://crl4.digicert.com/sha2-ha-server-g5.crl
      • certificatePolicies: Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.23.140.1.2.2
      • authorityInfoAccess: OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertSHA2HighAssuranceServerCA.crt
      • basicConstraints: CA:FALSE

Meta - 51len.com

Number of occurences: 5
  • Name:
    Content: IE=edge
  • Name: description
    Content: 学乐无忧，介绍有效工具，分享前端技术，拓宽IT视野，让前端学习更简单。
  • Name: viewport
    Content: width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0
  • Name: renderer
    Content: webkit
  • Name: sogou_site_verification
    Content: M3kEnpEc0V

Server / Hosting

  • IP: 23.235.43.133
  • Latitude: 52.35
  • Longitude: 4.92
  • Country: Netherlands
  • City: Amsterdam

Rname

  • ns18.domaincontrol.com
  • ns17.domaincontrol.com
  • smtp.secureserver.net
  • mailstore1.secureserver.net

Target

  • dns.jomax.net

HTTP Header Response

HTTP/1.1 200 OK Server: GitHub.com Content-Type: text/html; charset=utf-8 Last-Modified: Tue, 12 Jul 2016 06:09:47 GMT Access-Control-Allow-Origin: * Expires: Tue, 30 Aug 2016 12:01:37 GMT Cache-Control: max-age=600 X-GitHub-Request-Id: 17EB2B2D:8960:5996A9A:57C57349 Content-Length: 2880 Accept-Ranges: bytes Date: Fri, 02 Sep 2016 05:35:21 GMT Age: 0 X-Served-By: cache-ams4132-AMS X-Cache: HIT X-Cache-Hits: 1 Vary: Accept-Encoding X-Fastly-Request-ID: d6f0d712534891937f4e928ff0452669d09d108d X-Cache: MISS from s_wx1011 X-Cache-Lookup: MISS from s_wx1011:80 Via: 1.1 varnish, 1.1 s_wx1011 (squid/3.5.20) Connection: keep-alive

DNS

host: 51len.com
  1. class: IN
  2. ttl: 3600
  3. type: A
  4. ip: 23.235.43.133
host: 51len.com
  1. class: IN
  2. ttl: 3600
  3. type: NS
  4. target: ns18.domaincontrol.com
host: 51len.com
  1. class: IN
  2. ttl: 3600
  3. type: NS
  4. target: ns17.domaincontrol.com
host: 51len.com
  1. class: IN
  2. ttl: 600
  3. type: SOA
  4. mname: ns17.domaincontrol.com
  5. rname: dns.jomax.net
  6. serial: 2016061806
  7. refresh: 28800
  8. retry: 7200
  9. expire: 604800
  10. minimum-ttl: 600
host: 51len.com
  1. class: IN
  2. ttl: 3600
  3. type: MX
  4. pri: 0
  5. target: smtp.secureserver.net
host: 51len.com
  1. class: IN
  2. ttl: 3600
  3. type: MX
  4. pri: 10
  5. target: mailstore1.secureserver.net

Common Typos/Mistakes

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

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