Stemk12.org STEM School Highlands Ranch – Never Stop Innovating

Stemk12.org Overview

Stemk12.org belongs to TerraHost AS. Check the list of other websites hosted by TerraHost AS.

In terms of rank-to-traffic ratio, stemk12.org has 1,569 unique users per day, viewing 3,169 pages. The rank based value of stemk12.org is 2,333 USD. Every user makes 2.16 pageviews on average.

Stemk12.org boasts a link base consisting of 225 referring domains and 277 external backlinks, as revealed by the data obtained from web network scanning.

Stemk12.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in February 10, 2022, stemk12.org has an expired SSL certificate issued by Sectigo Limited (expired on December 13, 2022). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from Google Safe Browsing and Symantec stemk12.org is a fairly safe domain.

Based on Mobile-Friendly test by Google stemk12.org is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Stemk12.org Website Safety

Overview

Last Updated: 12/25/2024

Unknown status.

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

Last Updated: 03/31/2024

stemk12.org is safe.

Norton ConnectSafe evaluates stemk12.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 12/25/2024

Not yet checked.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

stemk12.org is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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

Site Advisor

Last Updated: 03/15/2021

stemk12.org is safe.

McAfee assesses stemk12.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 stemk12.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/25/2024

stemk12.org child safety is unknown.

The WOT calculates reputation of the stemk12.org. This reputation system receives ratings from users and information from third-party sources, assesses the stemk12.org for safety features and confirms, whether stemk12.org is suitable for children.

SSL Information

SSL Checker Tool

Domain	stemk12.org
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	12/13/2021
Expiration	12/13/2022
Signed	Certificate is not self signed
Additional Domains	stemk12.org www.stemk12.org

Stemk12.org Rank History

Alexa Rank shows how popular stemk12.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If stemk12.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to stemk12.org and pageviews on stemk12.org over the past 3 months.

Stemk12.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 56655

ASN Title: TerraHost AS

Last Update: 03/25/2024

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS56320 - AS58367'

as-block: AS56320 - AS58367
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:34Z
last-modified: 2018-11-22T15:27:34Z
source: RIPE

% Information related to 'AS56655'

% Abuse contact for 'AS56655' is 'abuse@terrahost.no'

aut-num: AS56655
as-name: TERRAHOST
org: ORG-TA1225-RIPE
remarks: ---------------------------------------------------------
remarks: UPSTREAMS
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import: from AS50304 accept ANY
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remarks: Read Only Communities:
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remarks: 56655:1300 - Route is local
remarks: 56655:2xxx - Route learned from transit
remarks: --
remarks: Communities available for customers:
remarks: 56655:50 - Set local pref to 50
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remarks: 56655:200 - Do not announce to transits
remarks: 56655:201 - Prepend once to transits
remarks: 56655:202 - Prepend twice to transits
remarks: 56655:666 - Blackhole (/32 and /128)
remarks: --
admin-c: TEHO1-RIPE
tech-c: TEHO1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS203629-MNT
created: 2018-02-07T15:37:06Z
last-modified: 2019-10-17T16:29:07Z
source: RIPE

organisation: ORG-TA1225-RIPE
org-name: TerraHost AS
org-type: LIR
address: Klinestadmoen 10
address: 3241
address: Sandefjord
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admin-c: AMH75-RIPE
tech-c: AMH75-RIPE
abuse-c: AR44906-RIPE
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mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS203629-MNT
created: 2018-01-29T13:36:33Z
last-modified: 2018-12-12T10:36:23Z
source: RIPE # Filtered
phone: +47 33808800

role: TerraHost Role Object
address: TerraHost AS
address: Klinestadmoen 10
address: NO-3241 Sandefjord
address: Norway
phone: +47 33 80 88 00
admin-c: AMH65-RIPE
tech-c: AMH65-RIPE
abuse-mailbox: abuse@terrahost.no
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last-modified: 2016-07-01T10:03:26Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.95.1 (BLAARKOP)

Stemk12.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: stemk12.org
Registry Domain ID: 5dad88d045384c35ba4e5714cfa62cac-LROR
Registrar WHOIS Server: http://whois.epik.com
Registrar URL: https://www.epik.com
Updated Date: 2023-08-05T07:14:31Z
Creation Date: 2015-04-01T15:53:23Z
Registry Expiry Date: 2027-04-01T15:53:23Z
Registrar: Epik Inc.
Registrar IANA ID: 617
Registrar Abuse Contact Email: abuse@epik.com
Registrar Abuse Contact Phone: +1.7373015923
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Anonymize, Inc.
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: WY
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
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: ns3.epik.com
Name Server: ns4.epik.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-02-02T19:34:23Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Stemk12.org HTML Check

HTML Validation Tool

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

End tag “a” violates nesting rules.

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Attribute “u” not allowed on element “div” at this point.

Attribute “u” not allowed on element “img” at this point.

Attribute “src2” not allowed on element “img” at this point.

Element “img” is missing required attribute “src”.

Duplicate ID “slides_container”.

No space between attributes.

Attribute “;” not allowed on element “iframe” at this point.

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

Bad value “tel:303-683-STEM (7836)” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Attribute “aria-labeledby” not allowed on element “nav” at this point.

The element “header” must not appear as a descendant of the “footer” element.

Warnings

The first occurrence of ID “slides_container” was here.

Attribute “;” is not serializable as XML 1.0.

Stemk12.org Desktop Performance

Last tested: 12/24/2017

Desktop Speed

60%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	116
Number of Hosts	22
Static Resources	95
JavaScript Resources	25
CSS Resources	11

Stemk12.org Mobile Insights

Last tested: 12/24/2017

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

56%

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

Optimize images

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	116
Number of Hosts	22
Static Resources	95
JavaScript Resources	25
CSS Resources	11

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Stemk12.org STEM School Highlands Ranch – Never Stop Innovating

Stemk12.org Overview

Stemk12.org Website Safety

Stemk12.org Rank History

Stemk12.org Hosting Information

Stemk12.org Domain Registration and Settings

Stemk12.org HTML Check

Stemk12.org Desktop Performance

Stemk12.org Mobile Insights

Stemk12.org Similar Audits

Stemk12.org Common Typos