Hdfgroup.org The HDF Group - ensuring long-term access and usability of HDF data and supporting users of HDF technologies

The HDF Group is a not-for-profit corporation with the mission of sustaining the HDF technologies and supporting HDF user communities worldwide with p...

Hdfgroup.org Overview

The HDF Group website is a not-for-profit website dedicated to ensuring long-term access and usability of HDF data and supporting users of HDF technologies. The website is hosted by Unified Layer, a hosting company based in the United States, and uses .ORG as its top-level domain. The website has a daily average of 1,016 unique users and 3,251.2 page views with an estimated value of $59,130 USD. In terms of security, the website has an SSL issued by cPanel, Inc.

The main focus of the website is to provide production-quality software and services to support the HDF user communities worldwide. The website caters to different types of users, such as software developers, scientists, and engineers, who use HDF technologies to manage and manipulate complex data. The website offers comprehensive tools and resources to help users configure and use HDF technologies efficiently.

The website has a clean and straightforward design, which makes it easy for users to navigate through its pages. The homepage has a well-defined structure and highlights the main features of the website. The top navigation bar provides quick access to different sections of the website, such as Products, Services, Community, and About Us. At the bottom of the page, there are links to different resources, including documentation, source code, bug tracker, and support.

One of the notable features of the website is its Community section, which provides a platform for users to interact and share their experiences with HDF technologies. The section includes a forum where users can ask questions and get help from other community members. Additionally, the website hosts different events and webinars to help users get the most out of HDF technologies.

In terms of page speed, the website has a score of 36 on PageSpeed Insights. While this score is below average, it is important to note that the website's primary goal is to provide useful resources to HDF users, rather than optimize web performance.

Overall, the HDF Group website is a well-structured website that caters to HDF user communities worldwide. The website provides users with a comprehensive set of production-quality software and services to support the management and manipulation of complex data using HDF technologies.

Hdfgroup.org Rank Summary

Global Rank

204,907

Average Load Time

1.31sec

Links In Count

687

Website Value

$59,130

Audience Geography. Where are hdfgroup.org visitors located?

Country	Visitors
United States US	24.5%
France FR	21.1%
India IN	4.9%
Other	49.5%

Country	Pageviews
France FR	26%
United States US	22.9%
India IN	3.4%
Other	47.7%

Country	Rank
France FR	28863
United States US	123079
India IN	176268

Where do visitors go on hdfgroup.org?

Subdomain	Pageviews
support.hdfgroup.org	49.07%
hdfgroup.org	40.24%
auth0.hdfgroup.org	2.49%
other	8.21%

Subdomain	Pageviews per User
hdfgroup.org	2
support.hdfgroup.org	2
auth0.hdfgroup.org	1

Subdomain	Reach
support.hdfgroup.org	61.5%
hdfgroup.org	46.96%
auth0.hdfgroup.org	6.34%

How popular is hdfgroup.org?

Period	Global Rank	Global Rank Delta
past 3 months	204907	9416
past month	198303	-4135
past week	410449	133734
yesterday	352075	-491887

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	202285	13628	22	-6.983%	3.2	-4.22%
30	223041	34971	2	-23.46%	2.5	-29.64%
7	532613	154669	6	-34.75%	2	4%
1	524817	-263349	6	100%	1	-39.02%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	220354	8068	26	-2.97%
30	202591	-21791	28	9%
7	393675	133551	1	-37.17%
1	288865	-587174	2	200%

Hdfgroup.org Website Safety

Overview

Last Updated: 05/19/2025

Overall result - hdfgroup.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: 03/25/2025

hdfgroup.org is safe.

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

Google Safe Search

Last Updated: 03/01/2019

hdfgroup.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

hdfgroup.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: 02/25/2021

hdfgroup.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

hdfgroup.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.hdfgroup.org
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	12/15/2024
Expiration	03/15/2025
Signed	Certificate is not self signed
Additional Domains	hdfgroup.org www.hdfgroup.org

Hdfgroup.org Rank History

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

Hdfgroup.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 32244

ASN Title: LIQUIDWEB - Liquid Web, L.L.C, US

Last Update: 04/22/2025

#
# 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: 32244
ASName: LIQUIDWEB
ASHandle: AS32244
RegDate: 2004-03-26
Updated: 2016-12-19
Ref: https://rdap.arin.net/registry/autnum/32244

OrgName: Liquid Web, L.L.C
OrgId: LQWB
Address: 4210 Creyts Rd.
City: Lansing
StateProv: MI
PostalCode: 48917
Country: US
RegDate: 2001-07-19
Updated: 2016-10-21
Ref: https://rdap.arin.net/registry/entity/LQWB

ReferralServer: rwhois://rwhois.liquidweb.com:4321

OrgAbuseHandle: ABUSE551-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-800-580-4985
OrgAbuseEmail: abuse@liquidweb.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE551-ARIN

OrgTechHandle: IPADM47-ARIN
OrgTechName: IP Administrator
OrgTechPhone: +1-800-580-4985
OrgTechEmail: ipadmin@liquidweb.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM47-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.
#

%rwhois V-1.5:003eef:00 rwhois.z.int.liquidweb.com (by Network Solutions, Inc. V-1.5.9.5)
%error 230 No Objects Found

Hdfgroup.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: hdfgroup.org
Registry Domain ID: 3319ad8301184e69a94187840eacb083-LROR
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: http://registrar.amazon.com
Updated Date: 2024-03-24T23:04:28Z
Creation Date: 2004-04-23T16:50:59Z
Registry Expiry Date: 2025-04-23T16:50:59Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: trustandsafety@support.aws.com
Registrar Abuse Contact Phone: +1.2024422253
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Identity Protection Service
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Middlesex
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: GB
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: ns1.hdfgroup.org
Name Server: ns2.hdfgroup.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-18T21:37:57Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
hdfgroup.org	198.12.235.106	300

Host	MX Record	Priority	TTL
hdfgroup.org	hdfgroup-org.mail.protection.outlook.com	0	300

Host	NS Record	TTL
hdfgroup.org	ns1.hdfgroup.org	300
hdfgroup.org	ns2.hdfgroup.org	300

Host	TXT Record	TTL
hdfgroup.org	google-site-verification=lXfVksEYfAt9ieZEf4V9y0S3q6F5df8nQ0C0EqI-qV8	300
hdfgroup.org	have-i-been-pwned-verification=21fa4629f65fa3bc8e26a4be7bf3d292	300
hdfgroup.org	hwbpxpfcy9yw6756y02p36q6722n1rvg	300
hdfgroup.org	atlassian-domain-verification=iMivEBxnnOCpXwGqTvsn4016zIPayT/riKkO3l8kQa11RQOJJeRNSk62TCtLAv6W	300
hdfgroup.org	v=spf1 a:hdfgroup.org ip4:50.28.50.143 ip4:206.221.145.35 ip4:50.28.34.71 include:amazonses.com ~all	300
hdfgroup.org	MS=ms38449909	300

ns1.hdfgroup.org
TTL: 300
Email address: thehdfgroup.gmail.com
Serial: 2024111605
Refresh: 1200
Retry: 600
Expire: 2419200
Minimum: 300

Hdfgroup.org HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Empty heading.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Errors

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

Bad value “https://fonts.googleapis.com/css?family=Rubik:300|Roboto:300%2C400” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Attribute “mkd-content-aligment-left” not allowed on element “div” at this point.

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

Hdfgroup.org Desktop Performance

Last tested: 12/22/2018

Desktop Speed

33%

Optimize images

Avoid landing page redirects

Reduce server response time

Leverage browser caching

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

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	117
Number of Hosts	17
Static Resources	94
JavaScript Resources	47
CSS Resources	31

Hdfgroup.org Mobile Insights

Last tested: 12/22/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

36%

Optimize images

Avoid landing page redirects

Reduce server response time

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

Leverage browser caching

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	115
Number of Hosts	17
Static Resources	94
JavaScript Resources	47
CSS Resources	31

Hdfgroup.org Common Typos

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Hdfgroup.org The HDF Group - ensuring long-term access and usability of HDF data and supporting users of HDF technologies

The HDF Group is a not-for-profit corporation with the mission of sustaining the HDF technologies and supporting HDF user communities worldwide with p...

Hdfgroup.org Overview

Hdfgroup.org Rank Summary

Hdfgroup.org Website Safety

Hdfgroup.org Rank History

Hdfgroup.org Hosting Information

Hdfgroup.org Domain Registration and Settings

Hdfgroup.org HTML Check

Hdfgroup.org Desktop Performance

Hdfgroup.org Mobile Insights

Hdfgroup.org Similar Audits

Hdfgroup.org Common Typos