Coin-or.org COIN-OR: Computational Infrastructure for Operations Research – Open-source Software for the Operations Research Community

Coin-or.org Overview

Overview:

Coin-or.org is a website that serves as the Computational Infrastructure for Operations Research Home Page. It is a platform that provides resources, tools, and support for researchers in the field of operations research. The website aims to facilitate collaboration and knowledge sharing among professionals in this field.

In terms of website traffic, coin-or.org receives an average of 369 unique users per day and has a total of 1,107 pageviews. These numbers indicate a moderate level of popularity and engagement. Additionally, the site holds an estimated value of $8,760, which suggests that it has a significant online presence.

The website is hosted by Clemson University, a renowned educational institution based in the United States. This reliable hosting provider ensures that the site is stable, secure, and well-maintained. Coin-or.org uses a .ORG top-level domain, indicating that it is operated by a non-profit organization or serves a specific purpose related to organizations.

Regarding its audience suitability, the website does not contain explicit information about being family-friendly or having any specific age restrictions. However, given that it is a platform for operations research professionals, it is unlikely to include content that is not suitable for all ages.

The PageSpeed Insights score of 49 indicates that the loading speed of the website could be improved. This score is below average and suggests that some technical optimizations may be necessary to enhance the user experience. Slow loading speeds can negatively impact user satisfaction and deter visitors from exploring the site further.

Furthermore, coin-or.org has a significant number of external backlinks, with a total of 963. Backlinks play a crucial role in search engine optimization and are an indicator of website authority and credibility. Having a high number of referring domains, which stands at 855, further reinforces the reputation of the website within its niche.

In conclusion, coin-or.org is a valuable resource for the operations research community. It provides essential tools and support to researchers in the field, facilitating collaboration and knowledge sharing. Despite its moderate website traffic, the site holds a considerable value, indicating its importance within the industry. Hosting by Clemson University ensures a reliable and secure platform, and the website's .ORG domain demonstrates its non-profit or organizational focus. The PageSpeed Insights score suggests room for improvement in terms of website performance. Finally, the high number of external backlinks and referring domains reinforce the website's authority and credibility.

Coin-or.org Rank Summary

Global Rank

601,317

Average Load Time

0.62sec

Links In Count

205

Website Value

$8,760

Audience Geography. Where are coin-or.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on coin-or.org?

Subdomain	Pageviews
projects.coin-or.org	58.9%
coin-or.org	41.1%

Subdomain	Pageviews per User
coin-or.org	2
projects.coin-or.org	2

Subdomain	Reach
projects.coin-or.org	80.36%
coin-or.org	58.67%

How popular is coin-or.org?

Period	Global Rank	Global Rank Delta
past 3 months	601317	347627
past month	527309	-157635
past week	292018	-606274

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	638343	364448	5	-65.323%	3	-1.14%
30	551105	-160750	6	50%	3	5%
7	285654	-634162	17	500%	3	60%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	626173	363805	73	-64.91%
30	556993	-165781	91	40%
7	338834	-567723	2	300%

Coin-or.org Website Safety

Overview

Last Updated: 09/13/2024

Overall result - coin-or.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: 04/01/2024

coin-or.org is safe.

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

Google Safe Search

Last Updated: 03/11/2019

coin-or.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

coin-or.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: 03/02/2021

coin-or.org is safe.

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

Web of Trust

Last Updated: 01/11/2019

coin-or.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	coin-or.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	05/05/2024
Expiration	08/03/2024
Signed	Certificate is not self signed
Additional Domains	coin-or.com coin-or.net coin-or.org git.coin-or.org list.coin-or.org optimization-suite.coin-or.org projects.coin-or.org svn.coin-or.org trac.coin-or.org wptest.coin-or.org www.coin-or.org

Coin-or.org Rank History

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

Coin-or.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 12148

ASN Title: CLEMSONU - Clemson University, US

Last Update: 08/03/2024

#
# 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: 12148
ASName: CLEMSONU
ASHandle: AS12148
RegDate: 1999-04-05
Updated: 2016-02-04
Ref: https://rdap.arin.net/registry/autnum/12148

OrgName: Clemson University
OrgId: CLEMSO-1
Address: 130 McGinty Court
Address: Poole Hall Rm 11
City: Clemson
StateProv: SC
PostalCode: 29634
Country: US
RegDate: 1988-08-10
Updated: 2016-02-01
Ref: https://rdap.arin.net/registry/entity/CLEMSO-1

OrgAbuseHandle: NETWO2687-ARIN
OrgAbuseName: Network Abuse
OrgAbusePhone: +1-864-656-3493
OrgAbuseEmail: abuse@clemson.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO2687-ARIN

OrgNOCHandle: NOC3212-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-864-656-4634
OrgNOCEmail: noc@clemson.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC3212-ARIN

OrgTechHandle: CUTEC-ARIN
OrgTechName: CU-TECHS-ARIN
OrgTechPhone: +1-864-656-4634
OrgTechEmail: CU-TECHS-ARIN@lists.clemson.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CUTEC-ARIN

RNOCHandle: NOC3212-ARIN
RNOCName: Network Operations Center
RNOCPhone: +1-864-656-4634
RNOCEmail: noc@clemson.edu
RNOCRef: https://rdap.arin.net/registry/entity/NOC3212-ARIN

RAbuseHandle: NETWO2687-ARIN
RAbuseName: Network Abuse
RAbusePhone: +1-864-656-3493
RAbuseEmail: abuse@clemson.edu
RAbuseRef: https://rdap.arin.net/registry/entity/NETWO2687-ARIN

RTechHandle: CUTEC-ARIN
RTechName: CU-TECHS-ARIN
RTechPhone: +1-864-656-4634
RTechEmail: CU-TECHS-ARIN@lists.clemson.edu
RTechRef: https://rdap.arin.net/registry/entity/CUTEC-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.
#

Coin-or.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: COIN-OR.ORG
Registry Domain ID: D36567708-LROR
Registrar WHOIS Server: whois.google.com
Registrar URL: https://domains.google.com
Updated Date: 2020-09-28T00:55:00Z
Creation Date: 2000-09-27T19:30:46Z
Registry Expiry Date: 2021-09-27T19:30:46Z
Registrar Registration Expiration Date:
Registrar: Google LLC
Registrar IANA ID: 895
Registrar Abuse Contact Email: registrar-abuse@google.com
Registrar Abuse Contact Phone: +1.8772376466
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Contact Privacy Inc. Customer 1245535486
Registrant State/Province: ON
Registrant Country: CA
Name Server: NS-CLOUD-A1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A4.GOOGLEDOMAINS.COM
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-06-06T06:39:24Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
coin-or.org	130.127.206.21	300

Host	MX Record	Priority	TTL
coin-or.org	aspmx.l.google.com	1	3600
coin-or.org	alt1.aspmx.l.google.com	5	3600
coin-or.org	alt2.aspmx.l.google.com	5	3600
coin-or.org	alt3.aspmx.l.google.com	10	3600
coin-or.org	alt4.aspmx.l.google.com	10	3600

Host	NS Record	TTL
coin-or.org	ns-cloud-a1.googledomains.com	21600
coin-or.org	ns-cloud-a2.googledomains.com	21600
coin-or.org	ns-cloud-a3.googledomains.com	21600
coin-or.org	ns-cloud-a4.googledomains.com	21600

Host	TXT Record	TTL
coin-or.org	google-site-verification=q7ww7le3X5X4GscFF5FfX8jRhgxOqotT1w66iqC0Mqc	3600
coin-or.org	v=spf1 ip4:130.127.206.21 ip4:130.127.237.160/27 ip4:130.127.237.224/27 -all	3600

ns-cloud-a1.googledomains.com
TTL: 21600
Email address: cloud-dns-hostmaster.google.com
Serial: 3
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum: 300

Coin-or.org HTML Check

HTML Validation Tool

Errors

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

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

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

Bad value “X-XRDS-Location” for attribute “http-equiv” on element “meta”.

Bad value “X-Yadis-Location” for attribute “http-equiv” on element “meta”.

Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.

Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.

No “p” element in scope but a “p” end tag seen.

Duplicate ID “info-box-87”.

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

Warnings

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

The “navigation” role is unnecessary for element “nav”.

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

The first occurrence of ID “info-box-87” was here.

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

Coin-or.org Desktop Performance

Last tested: 09/18/2015

Desktop Speed

92%

Leverage browser caching

Optimize images

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

Enable compression

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	10
Number of Hosts	4
Static Resources	6
CSS Resources	1

Coin-or.org Mobile Insights

Last tested: 06/28/2019

Mobile Usability

94%

Size tap targets appropriately

Mobile Speed

49%

Enable compression

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

Reduce server response time

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	54
Number of Hosts	8
Static Resources	10
JavaScript Resources	26
CSS Resources	17

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Coin-or.org COIN-OR: Computational Infrastructure for Operations Research – Open-source Software for the Operations Research Community

Coin-or.org Overview

Coin-or.org Rank Summary

Coin-or.org Website Safety

Coin-or.org Rank History

Coin-or.org Hosting Information

Coin-or.org Domain Registration and Settings

Coin-or.org HTML Check

Coin-or.org Desktop Performance

Coin-or.org Mobile Insights

Coin-or.org Similar Audits

Coin-or.org Common Typos