Grand-challenge.org Grand Challenge

A platform for end-to-end development of machine learning solutions in biomedical imaging.

Grand-challenge.org Overview

Grand-challenge.org ranking shows that the page is at position 430,827 over the world, while the bulk of its audience is from Viet Nam, where it ranks 26,207.

Grand-challenge.org hosted on AMAZON-02 - Amazon.com, Inc., US servers in Germany. To reduce page loading time for the majority of grand-challenge.org users, we recommend migrating the server to Viet Nam, as it will speed up grand-challenge.org page load time for the majority of users. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.

In terms of rank-to-traffic ratio, grand-challenge.org has 515 unique users per day, viewing 1,663 pages. The rank based value of grand-challenge.org is 23,676 USD. Every user makes 3.42 pageviews on average.

Grand-challenge.org boasts a link base consisting of 587 referring domains and 652 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in October 08, 2024, grand-challenge.org has a valid and up-to-date SSL certificate issued by Amazon , certificate expiration date: January 03, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Amazon.

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

According the Mobile-Friendly test by Google grand-challenge.org is nice optimized for mobile devices and tablets.

Grand-challenge.org Rank Summary

Global Rank

430,827

Average Load Time

1.04sec

Links In Count

Website Value

$21,922

Audience Geography. Where are grand-challenge.org visitors located?

Country	Visitors
Viet Nam VN	14.6%
Nepal NP	11.1%
Other	74.2%

Country	Pageviews
Viet Nam VN	38.7%
Nepal NP	14.8%
Other	46.5%

Country	Rank
Nepal NP	3485
Viet Nam VN	26207

Where do visitors go on grand-challenge.org?

Subdomain	Pageviews
grand-challenge.org	24.23%
lndb.grand-challenge.org	19.93%
curious2019.grand-challenge.org	5.51%
other	50.22%

Subdomain	Pageviews per User
lndb.grand-challenge.org	6
curious2019.grand-challenge.org	4
grand-challenge.org	2

Subdomain	Reach
grand-challenge.org	49.75%
lndb.grand-challenge.org	14.65%
curious2019.grand-challenge.org	6.06%

How popular is grand-challenge.org?

Period	Global Rank	Global Rank Delta
past 3 months	430827	-40286
past month	453304	-15603
past week	368679	-201835

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	425116	-55731	9	10%	3.2	10%
30	363953	-159998	11	70%	4.6	90%
7	222814	-300297	23	200%	7	100%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	465259	-35845	1	2%
30	541872	59497	9	-9.382%
7	476979	-170389	1	40%

Grand-challenge.org Website Safety

Overview

Last Updated: 11/23/2024

Overall result - grand-challenge.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

grand-challenge.org is safe.

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

Google Safe Search

Last Updated: 03/26/2017

grand-challenge.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

grand-challenge.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

grand-challenge.org is safe.

McAfee assesses grand-challenge.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 grand-challenge.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/23/2024

grand-challenge.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	grand-challenge.org
Issuer Organization	Amazon
Issuer	Amazon RSA 2048 M02
Algorithm	RSA-SHA256
Valid form	12/05/2023
Expiration	01/03/2025
Signed	Certificate is not self signed
Additional Domains	grand-challenge.org *.grand-challenge.org

Grand-challenge.org Rank History

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

Grand-challenge.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 03/01/2024

#
# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.
#

Grand-challenge.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: GRAND-CHALLENGE.ORG
Registry Domain ID: D158657338-LROR
Registrar WHOIS Server: whois.domain.com
Registrar URL: www.domain.com
Updated Date: 2021-02-16T16:00:07Z
Creation Date: 2010-03-21T19:56:14Z
Registry Expiry Date: 2026-03-21T19:56:14Z
Registrar Registration Expiration Date:
Registrar: Domain.com, LLC
Registrar IANA ID: 886
Registrar Abuse Contact Email: compliance@domain-inc.net
Registrar Abuse Contact Phone: +1.6022262389
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registrant Organization:
Registrant State/Province: Iowa
Registrant Country: US
Name Server: NS-1157.AWSDNS-16.ORG
Name Server: NS-1647.AWSDNS-13.CO.UK
Name Server: NS-314.AWSDNS-39.COM
Name Server: NS-731.AWSDNS-27.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-03-15T19:15:19Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
grand-challenge.org	131.174.197.59	3600

Host	MX Record	Priority	TTL
grand-challenge.org	ALT4.ASPMX.L.GOOGLE.COM	10	3600
grand-challenge.org	ALT3.ASPMX.L.GOOGLE.COM	10	3600
grand-challenge.org	ALT1.ASPMX.L.GOOGLE.COM	5	3600
grand-challenge.org	ASPMX.L.GOOGLE.COM	1	3600
grand-challenge.org	ALT2.ASPMX.L.GOOGLE.COM	5	3600

Host	NS Record	TTL
grand-challenge.org	ns1.mydomain.com	3600
grand-challenge.org	ns2.mydomain.com	3600

Host	TXT Record	TTL
grand-challenge.org	google-site-verification=i_IArn3D4iUDrYrep4tZh8TVvWqwljiJflA77Iq484U	3600
grand-challenge.org	v=spf1 include:_spf.google.com ~all	3600
grand-challenge.org	amazonses:Di2wluV+3smnWJwfqlrhEZnPlaqBEJHpr5d7D55G3k4=	3600

ns1.yourhostingaccount.com
TTL: 3600
Email address: admin.yourhostingaccount.com
Serial: 2012081021
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Grand-challenge.org HTML Check

HTML Validation Tool

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Bad value “ ” for attribute “href” on element “link”: Must be non-empty.

Element “style” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Element “div” not allowed as child of element “h1” 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.

Grand-challenge.org Desktop Performance

Last tested: 02/17/2018

Desktop Speed

84%

Leverage browser caching

Enable compression

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

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	33
Number of Hosts	9
Static Resources	30
JavaScript Resources	21
CSS Resources	8

Grand-challenge.org Mobile Insights

Last tested: 02/17/2018

Mobile Usability

100%

Mobile Speed

78%

Leverage browser caching

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

Enable compression

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	33
Number of Hosts	9
Static Resources	30
JavaScript Resources	21
CSS Resources	8

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Grand-challenge.org Grand Challenge

A platform for end-to-end development of machine learning solutions in biomedical imaging.

Grand-challenge.org Overview

Grand-challenge.org Rank Summary

Grand-challenge.org Website Safety

Grand-challenge.org Rank History

Grand-challenge.org Hosting Information

Grand-challenge.org Domain Registration and Settings

Grand-challenge.org HTML Check

Grand-challenge.org Desktop Performance

Grand-challenge.org Mobile Insights

Grand-challenge.org Similar Audits

Grand-challenge.org Common Typos