four-color-theorem.org valuation and analysis

Robots.txt Information
Robot Path Permission
GoogleBot /
BingBot /
BaiduSpider /
YandexBot /
# If you are regularly crawling WordPress.com sites, please use our firehose to receive real-time push updates instead. # Please see https://developer.wordpress.com/docs/firehose/ for more details. Sitemap: https://four-color-theorem.org/sitemap.xml Sitemap: https://four-color-theorem.org/news-sitemap.xml User-agent: * Disallow: /wp-admin/ Allow: /wp-admin/admin-ajax.php Disallow: /wp-login.php Disallow: /wp-signup.php Disallow: /press-this.php Disallow: /remote-login.php Disallow: /activate/ Disallow: /cgi-bin/ Disallow: /mshots/v1/ Disallow: /next/ Disallow: /public.api/ # This file was generated on Thu, 02 Feb 2023 12:10:46
Meta Tags
Title Four Color Theorem blog | Four Color Theorem, Guthrie, Kempe, Tait and other people and
Description Four Color Theorem, Guthrie, Kempe, Tait and other people and
Keywords N/A
Server Information
WebSite four-color-theorem faviconfour-color-theorem.org
Host IP 192.0.78.25
Location United States
Related Websites
Site Rank
More to Explore
four-color-theorem.org Valuation
US$513,515
Last updated: 2023-05-11 06:11:16

four-color-theorem.org has Semrush global rank of 20,611,480. four-color-theorem.org has an estimated worth of US$ 513,515, based on its estimated Ads revenue. four-color-theorem.org receives approximately 59,252 unique visitors each day. Its web server is located in United States, with IP address 192.0.78.25. According to SiteAdvisor, four-color-theorem.org is safe to visit.

Traffic & Worth Estimates
Purchase/Sale Value US$513,515
Daily Ads Revenue US$475
Monthly Ads Revenue US$14,221
Yearly Ads Revenue US$170,645
Daily Unique Visitors 3,951
Note: All traffic and earnings values are estimates.
DNS Records
Host Type TTL Data
four-color-theorem.org. A 299 IP: 192.0.78.25
four-color-theorem.org. A 299 IP: 192.0.78.24
four-color-theorem.org. NS 86400 NS Record: ns3.wordpress.com.
four-color-theorem.org. NS 86400 NS Record: ns2.wordpress.com.
four-color-theorem.org. NS 86400 NS Record: ns1.wordpress.com.
HtmlToTextCheckTime:2023-05-11 06:11:16
Menu Skip to primary content Home Abstract Introduction Detailed history Quotes T1 T2 Open points and notes Software Links @ + Conversion of a map (first steps) Conversion of famous maps K4 and different four colorings? License Simplify F4 faces – first version Searching for T0 Me Chess Courses Search Four Color Theorem blog Four Color Theorem, Guthrie, Kempe, Tait and other people and stuff Color Voronoi graphs To color Voronoi graphs using the algorithm here https://github.com/stefanutti/maps-coloring-python , it is necessary to do some adjustments first: Transform it into a 3-regular graph, by adding a frame and modifying the vertices with more than 3 edges, as shown below Consider the surrounding area (out of the frame) as part of the map (the ocean) and color also that It is known that we can also suppose that exactly three edges meet at each vertex since maps that have vertexes with more than three edges can be easily simplified without affecting the search of the coloring. In
HTTP Headers
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Thu, 04 Nov 2021 05:23:54 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://four-color-theorem.org/
X-ac: 2.mdw _dca 

HTTP/2 200 
server: nginx
date: Thu, 04 Nov 2021 05:23:54 GMT
content-type: text/html; charset=UTF-8
strict-transport-security: max-age=31536000
vary: Accept-Encoding
vary: Cookie
x-hacker: If you're reading this, you should visit automattic.com/jobs and apply to join the fun, mention this header.
host-header: WordPress.com
link: ; rel=shortlink
x-ac: 2.mdw _dca
four-color-theorem.org Whois Information
Domain Name: FOUR-COLOR-THEOREM.ORG
Registry Domain ID: D402200000011396655-LROR
Registrar WHOIS Server: whois.sawbuck.com
Registrar URL: https://whois.sawbuck.com/
Updated Date: 2021-09-13T01:44:37Z
Creation Date: 2019-09-12T10:04:26Z
Registry Expiry Date: 2022-09-12T10:04:26Z
Registrar: Automattic Inc.
Registrar IANA ID: 1531
Registrar Abuse Contact Email: domainabuse@automattic.com
Registrar Abuse Contact Phone: +1.8772733049
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: autoRenewPeriod https://icann.org/epp#autoRenewPeriod
Registrant Organization: Knock Knock WHOIS Not There, LLC
Registrant Country: US
Name Server: NS1.WORDPRESS.COM
Name Server: NS2.WORDPRESS.COM
Name Server: NS3.WORDPRESS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-10-19T09:51:59Z <<<