Opencurriculum.org OpenCurriculum: Plan K-12 lessons like a pro

Opencurriculum.org Overview

Opencurriculum.org ranking shows that the page is at position 650,276 over the world, while the bulk of its audience is from United States, where it ranks 175,054.

It is beneficial to opencurriculum.org that their hosting company MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US servers.

In terms of rank-to-traffic ratio, opencurriculum.org has 1,137 unique users per day, viewing 1,136 pages. The rank based value of opencurriculum.org is 9,461 USD. Every user makes 1.08 pageviews on average.

Opencurriculum.org boasts a link base consisting of 330 referring domains and 358 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in October 02, 2024, opencurriculum.org has an expired SSL certificate issued by Let's Encrypt (expired on November 26, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

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

According the Mobile-Friendly test by Google opencurriculum.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Opencurriculum.org Rank Summary

Global Rank

650,276

Average Load Time

1.55sec

Links In Count

115

Website Value

$8,760

Audience Geography. Where are opencurriculum.org visitors located?

Country	Visitors
United States US	54.9%
Other	44.9%

Country	Pageviews
United States US	55%
Other	45%

Country	Rank
United States US	175054

Where do visitors go on opencurriculum.org?

Subdomain	Pageviews
opencurriculum.org	92.39%
other	7.61%

Subdomain	Pageviews per User
opencurriculum.org	1

Subdomain	Reach
opencurriculum.org	92.37%

How popular is opencurriculum.org?

Period	Global Rank	Global Rank Delta
past 3 months	650276	-205485
past month	505141	-328811
past week	714350	238857

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1026129	-291668	2	50%	1	4%
30	810521	-384848	3	90%	1	0%
7	954643	245986	2	-42.61%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	519107	-165506	88	40%
30	392252	-278503	13	90%
7	596202	209869	9	-42.61%

Opencurriculum.org Website Safety

Overview

Last Updated: 12/28/2024

Overall result - opencurriculum.org is safe.

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: 02/13/2024

opencurriculum.org is safe.

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

Google Safe Search

Last Updated: 03/28/2017

opencurriculum.org is safe.

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

opencurriculum.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: 02/15/2021

opencurriculum.org is safe.

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

Web of Trust

Last Updated: 12/28/2024

opencurriculum.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	opencurriculum.org
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/28/2024
Expiration	11/26/2024
Signed	Certificate is not self signed
Additional Domains	*.opencurriculum.org opencurriculum.org

Opencurriculum.org Rank History

Alexa Rank shows how popular opencurriculum.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If opencurriculum.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 opencurriculum.org and pageviews on opencurriculum.org over the past 3 months.

Opencurriculum.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 8075

ASN Title: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US

Last Update: 12/26/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 8068 - 8075
ASName: MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle: AS8068
RegDate: 1997-03-31
Updated: 2013-09-04
Ref: https://rdap.arin.net/registry/autnum/8068

OrgName: Microsoft Corporation
OrgId: MSFT
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 1998-07-09
Updated: 2017-01-28
Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests, please contact:
Comment: * msndcc@microsoft.com
Comment:
Comment: For routing, peering or DNS issues, please
Comment: contact:
Comment: * IOC@microsoft.com
Ref: https://rdap.arin.net/registry/entity/MSFT

OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
OrgTechPhone: +1-425-882-8080
OrgTechEmail: IOC@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
OrgAbusePhone: +1-425-882-8080
OrgAbuseEmail: abuse@microsoft.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Opencurriculum.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: opencurriculum.org
Registry Domain ID: c761798653ad4ac696d488fa7c15194e-LROR
Registrar WHOIS Server: whois.google.com
Registrar URL: https://domains.google.com
Updated Date: 2022-04-23T08:10:56Z
Creation Date: 2013-11-25T06:06:45Z
Registry Expiry Date: 2022-11-25T06:06:45Z
Registrar: Google LLC
Registrar IANA ID: 895
Registrar Abuse Contact Email: registrar-abuse@google.com
Registrar Abuse Contact Phone: +1.8772376466
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Contact Privacy Inc. Customer 7151571251
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: ON
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: CA
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-cloud1.googledomains.com
Name Server: ns-cloud2.googledomains.com
Name Server: ns-cloud3.googledomains.com
Name Server: ns-cloud4.googledomains.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-06-12T13:13:14Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
opencurriculum.org	13.66.248.127	600

Host	MX Record	Priority	TTL
opencurriculum.org	aspmx.l.google.com	10	86400
opencurriculum.org	alt1.aspmx.l.google.com	20	86400
opencurriculum.org	alt2.aspmx.l.google.com	30	86400
opencurriculum.org	aspmx2.googlemail.com	40	86400
opencurriculum.org	aspmx3.googlemail.com	50	86400

Host	NS Record	TTL
opencurriculum.org	ns-cloud1.googledomains.com	21600
opencurriculum.org	ns-cloud2.googledomains.com	21600
opencurriculum.org	ns-cloud3.googledomains.com	21600
opencurriculum.org	ns-cloud4.googledomains.com	21600

Host	TXT Record	TTL
opencurriculum.org	v=spf1 include:spf.mandrillapp.com include:sparkpostmail.com ~all	3600
opencurriculum.org	google-site-verification=FEztgGBgcVrW9fq7oDUgsAPveDCMy0lHyNiQPC1OJzo	3600
opencurriculum.org	google-site-verification=pWDpkrLUk1K8LksSBn6_m0PQ1FRUZxzz04tWVBUhUpo	3600

ns-cloud1.googledomains.com
TTL: 21600
Email address: dns-admin.google.com
Serial: 84
Refresh: 21600
Retry: 3600
Expire: 1209600
Minimum: 300

Opencurriculum.org HTML Check

HTML Validation Tool

Errors

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

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

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

Element “hgroup” is missing a required instance of one or more of the following child elements: “h1”, “h2”, “h3”, “h4”, “h5”, “h6”.

Stray start tag “script”.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Opencurriculum.org Desktop Performance

Last tested: 02/05/2019

Desktop Speed

75%

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

Enable compression

Leverage browser caching

Optimize images

Minify HTML

Desktop Resource Breakdown

Total Resources	22
Number of Hosts	8
Static Resources	15
JavaScript Resources	6
CSS Resources	2

Opencurriculum.org Mobile Insights

Last tested: 02/05/2019

Mobile Usability

69%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

58%

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

Leverage browser caching

Enable compression

Optimize images

Minify HTML

Mobile Resource Breakdown

Total Resources	22
Number of Hosts	8
Static Resources	15
JavaScript Resources	6
CSS Resources	2

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Opencurriculum.org OpenCurriculum: Plan K-12 lessons like a pro

Opencurriculum.org Overview

Opencurriculum.org Rank Summary

Opencurriculum.org Website Safety

Opencurriculum.org Rank History

Opencurriculum.org Hosting Information

Opencurriculum.org Domain Registration and Settings

Opencurriculum.org HTML Check

Opencurriculum.org Desktop Performance

Opencurriculum.org Mobile Insights

Opencurriculum.org Similar Audits

Opencurriculum.org Common Typos