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21st Century Optics
www.21optics.com/

21optics.com

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21optics.com is hosted in United States / Englewood . 21optics.com uses HTTPS protocol. Number of used technologies: 4. First technologies: CSS, Html, Iframe, Number of used javascripts: 2. First javascripts: SpryMenuBar.js, Freshwidget.js, Number of used analytics tools: 1. First analytics tools: Google Analytics, Its server type is: Apache/2.2.22 (Unix) mod_ssl/2.2.22 OpenSSL/1.0.1h mod_apreq2-20051231/2.6.0 mod_perl/2.0.5 Perl/v5.8.9.

Technologies in use by 21optics.com

Technology

Number of occurences: 4
  • CSS
  • Html
  • Iframe
  • Javascript

Advertisement

Javascripts

Number of occurences: 2
  • SpryMenuBar.js
  • freshwidget.js

Analytics

Number of occurences: 1
  • Google Analytics

Server Type

  • Apache/2.2.22 (Unix) mod_ssl/2.2.22 OpenSSL/1.0.1h mod_apreq2-20051231/2.6.0 mod_perl/2.0.5 Perl/v5.8.9

CDN

Number of occurences: 1
  • CloudFront

Conversion rate optimization

visitors Clickable call number Not founded!
visitors Conversion form (contact form, subcriber) Not founded!
visitors Clickable email Founded!
visitors CTA (call to action) button Not founded!
visitors List Founded!
visitors Image Not founded!
visitors Enhancement Not founded!
visitors Responsive website Not 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) - 21optics.com

SSL certificate

    • name: /serialNumber=8vICzKtmK0EkK5LInjQyWktzHaaWV5fJ/C=US/ST=Colorado/L=Englewood/O=MYNAMESERVER, LLC/OU=Secure Services Division/CN=*.securesites.net
    • subject:
      • serialNumber: 8vICzKtmK0EkK5LInjQyWktzHaaWV5fJ
      • C: US
      • ST: Colorado
      • L: Englewood
      • O: MYNAMESERVER, LLC
      • OU: Secure Services Division
      • CN: *.securesites.net
    • hash: b3a5ddc0
    • issuer:
      • C: US
      • O: GeoTrust, Inc.
      • CN: GeoTrust SSL CA
    • version: 2
    • serialNumber: 69276
    • validFrom: 111201004112Z
    • validTo: 170303093833Z
    • validFrom_time_t: 1322700072
    • validTo_time_t: 1488533913
    • extensions:
      • authorityKeyIdentifier: keyid:42:79:54:1B:61:CD:55:2B:3E:63:D5:3C:48:57:F5:9F:FB:45:CE:4A
      • keyUsage: Digital Signature, Key Encipherment, Data Encipherment
      • extendedKeyUsage: TLS Web Server Authentication, TLS Web Client Authentication
      • subjectAltName: DNS:*.securesites.net, DNS:securesites.net
      • crlDistributionPoints: Full Name: URI:http://gtssl-crl.geotrust.com/crls/gtssl.crl
      • subjectKeyIdentifier: 60:AC:F4:3F:3D:9C:F9:21:C2:43:5A:FF:7E:B6:73:44:2A:D1:FE:2A
      • basicConstraints: CA:FALSE
      • authorityInfoAccess: CA Issuers - URI:http://gtssl-aia.geotrust.com/gtssl.crt

Meta - 21optics.com

Number of occurences: 1
  • Name:
    Content: IE=edge,chrome=1

Server / Hosting

  • IP: 199.237.239.70
  • Latitude: 39.62
  • Longitude: -104.87
  • Country: United States
  • City: Englewood

Rname

  • costello.essilor.net
  • abbott.essilor.net

Target

  • hostmaster.essilor.net

HTTP Header Response

HTTP/1.1 200 OK Date: Wed, 07 Sep 2016 19:29:22 GMT Server: Apache/2.2.22 (Unix) mod_ssl/2.2.22 OpenSSL/1.0.1h mod_apreq2-20051231/2.6.0 mod_perl/2.0.5 Perl/v5.8.9 Last-Modified: Wed, 28 Oct 2015 15:03:13 GMT ETag: "2e00fc-5360-5232b7e4b8e40" Accept-Ranges: bytes Content-Length: 21344 Content-Type: text/html X-Cache: MISS from s_mf40 Via: 1.1 s_mf40 (squid/3.5.20) Connection: keep-alive

DNS

host: 21optics.com
  1. class: IN
  2. ttl: 3600
  3. type: A
  4. ip: 199.237.239.70
host: 21optics.com
  1. class: IN
  2. ttl: 3600
  3. type: NS
  4. target: costello.essilor.net
host: 21optics.com
  1. class: IN
  2. ttl: 3600
  3. type: NS
  4. target: abbott.essilor.net
host: 21optics.com
  1. class: IN
  2. ttl: 3600
  3. type: SOA
  4. mname: costello.essilor.net
  5. rname: hostmaster.essilor.net
  6. serial: 2015062705
  7. refresh: 1200
  8. retry: 600
  9. expire: 604800
  10. minimum-ttl: 3600

Common Typos/Mistakes

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

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