Catb.org catb.org site page

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Catb.org Overview

/100

Desktop Experience 99/100

Mobile Experience 79/100

Catb.org is a website that serves as a hub for a wealth of information related to computer science and philosophy. The site's title "The Cathedral and the Bazaar" is a nod to a preface essay in a book by the same name by Eric Raymond that contrasted two approaches to software development. The website provides a comprehensive set of resources for software developers, writers, researchers, and anyone interested in understanding the intricacies of open-source software development.

The home page of catb.org is a well-designed and organized site that provides users with links to important categories, including books, essays, and lectures. The site menu is intuitive, making it easy for users to navigate. The top-level domain of catb.org is org, which indicates that it is a nonprofit organization, which catb.org is. The site is also hosted by the University of North Carolina at Chapel Hill, which is a reputable university.

Catb.org is SSL secured with a certificate issued by Let's Encrypt, which ensures that all user data transmitted on the site remains secure. This is a critical aspect, especially since the site has over 3,458 unique users daily and 5,583 page views. An SSL certificate ensures that any data users enter on the site is encrypted, thereby preventing any malicious third-party from intercepting or eavesdropping on the data.

The contents of catb.org are generally family-friendly. However, given the technical nature of some of the articles and lectures, younger children may not find them particularly engaging. Additionally, some of the philosophical discussions may be too challenging for younger children, but they are enlightening and informative for adults.

In terms of performance, catb.org has impressive PageSpeed Insights scores, as follows: Speed 83/100, Desktop Experience 99/100, and Mobile Experience 79/100. These scores imply that the site loads quickly, making it easy for users to access its contents without having to wait long periods. Additionally, the site's desktop experience rating indicates that the site is well-coded and easy to navigate, while the mobile experience rating implies that the site is mobile responsive and optimized for mobile viewing.

In conclusion, Catb.org is an informative and well-designed site that provides rich information related to computer science and philosophy. The site is user-friendly, easy to navigate, and has impressive PageSpeed Insights scores. The site is also SSL secured, and

Catb.org Rank Summary

Global Rank
124,026
Average Load Time
0.83sec
Links In Count
5,709
Website Value
$102,302

Catb.org Website Safety

logo
Overview
Last Updated: 12/25/2024
Overall result - catb.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 logo
Norton Connect Safe
Last Updated: 03/22/2024
catb.org is safe.
Norton ConnectSafe evaluates catb.org for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 02/11/2019
catb.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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
catb.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.
McAfee logo
Site Advisor
Last Updated: 02/23/2021
catb.org is safe.
McAfee assesses catb.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 catb.org for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/10/2019
catb.org child safety is very good.
The WOT calculates reputation of the catb.org. This reputation system receives ratings from users and information from third-party sources, assesses the catb.org for safety features and confirms, whether catb.org is suitable for children.

SSL Information
Domainwww.animadance.org
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form04/02/2021
Expiration07/01/2021
SignedCertificate is not self signed
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Catb.org Rank History

Catb.org Hosting Information

Server Location

ASN Information

Last Update: 07/19/2024

#
# 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: 36850
ASName: UNC-CH
ASHandle: AS36850
RegDate: 2006-05-15
Updated: 2017-02-24
Ref: https://rdap.arin.net/registry/autnum/36850

OrgName: University of North Carolina at Chapel Hill
OrgId: UNC-1
Address: 440 W. Franklin Street
Address: CB#1150
City: Chapel Hill
StateProv: NC
PostalCode: 27599-1150
Country: US
RegDate: 1991-06-06
Updated: 2017-02-24
Ref: https://rdap.arin.net/registry/entity/UNC-1

OrgTechHandle: THAXT2-ARIN
OrgTechName: Thaxton, Adair
OrgTechPhone: +1-919-445-0116
OrgTechEmail: sthaxton@email.unc.edu
OrgTechRef: https://rdap.arin.net/registry/entity/THAXT2-ARIN

OrgTechHandle: ZU52-ARIN
OrgTechName: University of North Carolina
OrgTechPhone: +1-919-962-6503
OrgTechEmail: hostmaster@unc.edu
OrgTechRef: https://rdap.arin.net/registry/entity/ZU52-ARIN

OrgAbuseHandle: ISG10-ARIN
OrgAbuseName: IT Security Group
OrgAbusePhone: +1-919-445-9393
OrgAbuseEmail: abuse@unc.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ISG10-ARIN

OrgTechHandle: SHUED1-ARIN
OrgTechName: Shue, Danny
OrgTechPhone: +1-919-445-0121
OrgTechEmail: dyshue@unc.edu
OrgTechRef: https://rdap.arin.net/registry/entity/SHUED1-ARIN

RNOCHandle: ZU52-ARIN
RNOCName: University of North Carolina
RNOCPhone: +1-919-962-6503
RNOCEmail: hostmaster@unc.edu
RNOCRef: https://rdap.arin.net/registry/entity/ZU52-ARIN

RTechHandle: THAXT2-ARIN
RTechName: Thaxton, Adair
RTechPhone: +1-919-445-0116
RTechEmail: sthaxton@email.unc.edu
RTechRef: https://rdap.arin.net/registry/entity/THAXT2-ARIN

RTechHandle: JG452-ARIN
RTechName: Gogan, James P
RTechPhone: +1-919-445-0123
RTechEmail: gogan@email.unc.edu
RTechRef: https://rdap.arin.net/registry/entity/JG452-ARIN

RTechHandle: SHUED1-ARIN
RTechName: Shue, Danny
RTechPhone: +1-919-445-0121
RTechEmail: dyshue@unc.edu
RTechRef: https://rdap.arin.net/registry/entity/SHUED1-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.
#

Catb.org Domain Registration and Settings

WHOIS

Domain Name: catb.org
Registry Domain ID: c4c54afc69654cb49c0e80dc1f6122cc-LROR
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2023-03-02T01:08:22Z
Creation Date: 2003-01-16T01:07:41Z
Registry Expiry Date: 2032-01-16T01:07:41Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: domainabuse@tucows.com
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Private
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: PA
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
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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.unc.edu
Name Server: ns2.unc.edu
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-16T22:08:20Z


DNS Records
HostA RecordTTL
catb.org152.19.134.41300
HostMX RecordPriorityTTL
HostNS RecordTTL
catb.orgns.unc.edu3600
catb.orgns2.unc.edu3600
HostTXT RecordTTL

ib-hm.net.unc.edu
TTL: 3600
Email address: host-reg.unc.edu
Serial: 2012031601
Refresh: 10800
Retry: 3600
Expire: 2419200
Minimum: 900

Catb.org HTML Check


Errors
Warnings

Catb.org Desktop Performance

Last tested: 12/15/2017

Speedometer image
Desktop Speed
94%

Desktop Resource Breakdown
Total Resources4
Number of Hosts2
Static Resources3
JavaScript Resources1
CSS Resources1

Catb.org Mobile Insights

Last tested: 05/27/2017

Speedometer image
Mobile Usability
69%
Speedometer image
Mobile Speed
83%

Mobile Resource Breakdown
Total Resources4
Number of Hosts2
Static Resources3
JavaScript Resources1
CSS Resources1

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