k12cs.org - k12cs.org – K–12 Computer Science Framework

K12cs.org Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 06/01/2024

K12cs.org traffic estimate is about 371 unique visitors and 742 pageviews per day. The approximated value of k12cs.org is 5,840 USD. Every unique visitor makes about 2 pageviews on average.

Alexa Traffic Rank estimates that k12cs.org is ranked number 54,501 in the world.

K12cs.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (November 10, 2019) k12cs.org has an expired SSL certificate issued by Let's Encrypt (expired on January 15, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust k12cs.org is pretty a safe domain.

Relying on Google Mobile-Friendly test k12cs.org is well optimized for mobile and tablet devices, however website page loading time may be improved.

K12cs.org General Information

K12cs.org Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

K12cs.org Traffic Distribution

Where do visitors go on k12cs.org?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
k12cs.org	100%

Subdomain	Views per User
k12cs.org	1

K12cs.org Popularity

How popular is k12cs.org?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	911598	230945
past month	1315317	504785
past week	594704	-845820
yesterday	355326	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1187703	324221	2	-40%	2	-13.71%
30	1777074	818082	1	-64.574%	1	-41.52%
7	831833	-759720	3	200%	1	0%
1	408335	0	7	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	834445	192156	5	-30.77%
30	1124289	317498	4	-39.46%
7	486823	-803494	1	200%
1	333964	0	2	0%

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K12cs.org Safety Information

Rankchart Summary

Safe

Updated: 06/01/2024

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 02/12/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 03/22/2017

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/15/2021

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McAfee assesses k12cs.org for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze k12cs.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/12/2019

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The WOT calculates reputation of the k12cs.org. This reputation system receives ratings from users and information from third-party sources, assesses the k12cs.org for safety features and confirms, whether k12cs.org is suitable for children.

K12cs.org SSL Information

Information about SSL/TLS certificates

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Domain	k12cs.org
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	10/17/2019
Expiration	01/15/2020
Signed	Certificate is not self signed
Additional Domains	k12cs.org

SSL Checker

K12cs.org Server Information

K12cs.org Server Location

Where website hosting server is located?

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K12cs.org ASN Information

Information about IP address owner

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ASN ID: 396982

ASN Title: GOOGLE-PRIVATE-CLOUD - Google LLC, US

Updated: 03/09/2024

Raw ASN data:

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

ASNumber: 396982
ASName: GOOGLE-PRIVATE-CLOUD
ASHandle: AS396982
RegDate: 2018-08-15
Updated: 2018-08-15
Comment: *** This ASN is used for Google Private Cloud ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/autnum/396982

OrgName: Google LLC
OrgId: GOOGL-2
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2006-09-29
Updated: 2017-12-21
Comment: *** The IP addresses under this Org-ID are in use by Google Cloud customers ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/entity/GOOGL-2

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

OrgAbuseHandle: GCABU-ARIN
OrgAbuseName: GC Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: google-cloud-compliance@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

OrgNOCHandle: GCABU-ARIN
OrgNOCName: GC Abuse
OrgNOCPhone: +1-650-253-0000
OrgNOCEmail: google-cloud-compliance@google.com
OrgNOCRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

Geolocation

ASN Lookup

K12cs.org Domain Name Information

K12cs.org DNS Information

Domain name service records

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Host	A Record	TTL

K12cs.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Domain Name: k12cs.org
Registry Domain ID: 9cc935035dba4eeaa8b3c4540a945330-LROR
Registrar WHOIS Server: http://whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2022-06-04T07:19:52Z
Creation Date: 2015-10-23T18:32:16Z
Registry Expiry Date: 2022-10-23T18:32:16Z
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Code.org
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Paris
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: FR
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns-1090.awsdns-08.org
Name Server: ns-1612.awsdns-09.co.uk
Name Server: ns-209.awsdns-26.com
Name Server: ns-900.awsdns-48.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-09-14T09:40:41Z

Whois

DNS Lookup

K12cs.org HTML Validation

K12cs.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:fb” not allowed here.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “align” attribute on the “iframe” element is obsolete. Use CSS instead.

No space between attributes.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings:

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

The “banner” role is unnecessary for element “header”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The “contentinfo” role is unnecessary for element “footer”.

HTML Validator

K12cs.org Desktop Performance

How Well K12cs.org Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

20%

Optimize images

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Minify CSS

Minify JavaScript

Minify HTML

Updated: 01/03/2020

K12cs.org Mobile Performance

How Optimized Is K12cs.org for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 02/11/2019

K12cs.org Nearest Competitors

Estimated Nearest Competitors Of K12cs.org

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car-engineer.com
cowboyron.com

K12cs.org URL Typos

Most common user URL mistypes for k12cs.org

www.k12cs.com
www.k12cs.net
www.k12cs.org
www.k12cs.info
www.k12cs.biz
www.k12cs.us
www.k12cs.mobi
www.12cs.org
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www.j12cs.org
www.kj12cs.org
www.jk12cs.org
www.i12cs.org
www.ki12cs.org
www.ik12cs.org
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www.km12cs.org
www.mk12cs.org
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www.kl12cs.org
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www.ok12cs.org
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www.k12ds.org
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www.k12dcs.org
www.k12fs.org
www.k12cfs.org
www.k12fcs.org
www.k12vs.org
www.k12cvs.org
www.k12vcs.org
www.k12c.org
www.k12cw.org
www.k12csw.org
www.k12cws.org
www.k12ce.org
www.k12cse.org
www.k12ces.org
www.k12cd.org
www.k12csd.org
www.k12cz.org
www.k12csz.org
www.k12czs.org
www.k12cx.org
www.k12csx.org
www.k12ca.org
www.k12csa.org
www.k12cas.org

Total Resources	130
Number of Hosts	11
Static Resources	116
JavaScript Resources	35
CSS Resources	18

CSS	597.1 KBytes
Images	4.4 MBytes
HTML	114.1 KBytes
JavaScript	1.9 MBytes
Other	89.9 KBytes

Total Resources	131
Number of Hosts	12
Static Resources	117
JavaScript Resources	34
CSS Resources	18

CSS	648.7 KBytes
Images	4.5 MBytes
HTML	107.2 KBytes
JavaScript	2.0 MBytes
Other	77.2 KBytes

K12cs.org k12cs.org – K–12 Computer Science Framework

K12cs.org Quick Summary

K12cs.org General Information

K12cs.org Audience Geography

K12cs.org Traffic Distribution

K12cs.org Popularity

K12cs.org Safety Information

K12cs.org SSL Information

K12cs.org Server Information

K12cs.org Server Location

K12cs.org ASN Information

K12cs.org Domain Name Information

K12cs.org DNS Information

K12cs.org Whois Information

K12cs.org HTML Validation

K12cs.org W3C HTML Markup Validation

K12cs.org Desktop Performance

How Well K12cs.org Performs On Desktops?

K12cs.org Mobile Performance

How Optimized Is K12cs.org for Mobile Devices?

K12cs.org Nearest Competitors

Estimated Nearest Competitors Of K12cs.org

K12cs.org URL Typos

Most common user URL mistypes for k12cs.org