Ncatlab.org nLab

Ncatlab.org Overview

When you visit ncatlab.org, you are greeted with a clean, minimalistic layout and an unobtrusive search bar at the top of the page. The site is titled nLab, and it serves as a collaborative encyclopedia for mathematics, physics, and philosophy. The site's content is written and edited by several contributors, including mathematicians, physicists, and philosophers.

In terms of traffic, the site sees an average of 1794 unique users per day and 7893.6 pageviews. It has a site value of 140,160 US dollars, which is impressive for a site that focuses on academic research.

The site is hosted by CMU-ROUTER, which is a routing service provided by Carnegie Mellon University in the United States, and it uses the top-level domain .ORG. Additionally, the site has an SSL (Secure Sockets Layer) certificate issued by Let's Encrypt, which ensures that all communications between the user and the site are encrypted and secure.

Ncatlab.org is a family-friendly site that contains content related to mathematics, physics, and philosophy. Although some of the information provided may be geared towards more advanced learners, it is presented in a way that makes it accessible to everyone.

Based on PageSpeed Insights, ncatlab.org has a speed score of 73. While this may not be the highest score, it is still considered above average. This suggests that the site is well-optimized and that it has a fast loading time for most users.

Overall, ncatlab.org is a well-organized and informative website that provides valuable resources in the fields of mathematics, physics, and philosophy. Its clean layout and user-friendly interface make it easy to navigate and access information, and its SSL certificate ensures that users can browse the site safely and securely.

Ncatlab.org Rank Summary

Global Rank

83,079

Average Load Time

1.30sec

Links In Count

257

Website Value

$140,300

Audience Geography. Where are ncatlab.org visitors located?

Country	Visitors
United States US	24%
Italy IT	9.8%
India IN	3.7%
Mexico MX	3.5%
Other	59.1%

Country	Pageviews
United States US	30.1%
Italy IT	18.3%
Mexico MX	3%
India IN	2.7%
Other	45.9%

Country	Rank
Italy IT	25259
Mexico MX	42304
United States US	75932
India IN	149716

Where do visitors go on ncatlab.org?

Subdomain	Pageviews
ncatlab.org	99.87%
other	0.13%

Subdomain	Pageviews per User
ncatlab.org	1.8

Subdomain	Reach
ncatlab.org	99.77%

How popular is ncatlab.org?

Period	Global Rank	Global Rank Delta
past 3 months	83079	-60552
past month	131903	71357
past week	166758	41287
yesterday	139013	-5379

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	69422	-88406	86	190%	4.4	65%
30	179079	137870	26	-83.545%	1.8	-70.328%
7	186850	-6907	26	4%	2.7	80%
1	146854	-23343	4	20%	3	20%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	94871	-52236	73	75%
30	122437	47937	53	-44.64%
7	174410	64345	36	-42.5%
1	160080	18054	5	-2.18%

Ncatlab.org Website Safety

Overview

Last Updated: 11/22/2024

Overall result - ncatlab.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: 03/25/2024

ncatlab.org is safe.

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

Google Safe Search

Last Updated: 11/06/2016

ncatlab.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

ncatlab.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

ncatlab.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

ncatlab.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	ncatlab.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	06/16/2023
Expiration	09/14/2023
Signed	Certificate is not self signed
Additional Domains	ncatlab.org nforum.ncatlab.org www.ncatlab.org

Ncatlab.org Rank History

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

Ncatlab.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 9

ASN Title: CMU-ROUTER - Carnegie Mellon University, US

Last Update: 08/01/2024

#
# 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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9

OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: abuse@andrew.cmu.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN

OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: host-master@andrew.cmu.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: host-master@andrew.cmu.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: host-master@andrew.cmu.edu
RTechRef: https://rdap.arin.net/registry/entity/CH4-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.
#

Ncatlab.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: ncatlab.org
Registry Domain ID: b1cd1d90cedf4d0797bc11adffb33a15-LROR
Registrar WHOIS Server: http://whois.enom.com
Registrar URL: http://www.enom.com
Updated Date: 2023-11-22T09:44:09Z
Creation Date: 2008-11-27T20:49:36Z
Registry Expiry Date: 2024-11-27T20:49:36Z
Registrar: eNom, LLC
Registrar IANA ID: 48
Registrar Abuse Contact Email: abuse@enom.com
Registrar Abuse Contact Phone: +1.4252982646
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
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Registrant State/Province: NRW
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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.
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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: bailey.ns.cloudflare.com
Name Server: quincy.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-21T11:39:33Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Ncatlab.org HTML Check

HTML Validation Tool

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

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

Warnings

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Ncatlab.org Desktop Performance

Last tested: 11/27/2018

Desktop Speed

84%

Avoid landing page redirects

Leverage browser caching

Reduce server response time

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	23
Number of Hosts	2
Static Resources	17
JavaScript Resources	11
CSS Resources	3

Ncatlab.org Mobile Insights

Last tested: 11/27/2018

Mobile Usability

68%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

73%

Avoid landing page redirects

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	23
Number of Hosts	2
Static Resources	17
JavaScript Resources	11
CSS Resources	3

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Ncatlab.org nLab

Ncatlab.org Overview

Ncatlab.org Rank Summary

Ncatlab.org Website Safety

Ncatlab.org Rank History

Ncatlab.org Hosting Information

Ncatlab.org Domain Registration and Settings

Ncatlab.org HTML Check

Ncatlab.org Desktop Performance

Ncatlab.org Mobile Insights

Ncatlab.org Similar Audits

Ncatlab.org Common Typos