Planetmath.org PlanetMath.org

Planetmath.org Overview

PlanetMath.org is a unique and valuable website that serves as a comprehensive online encyclopedia of mathematics. The site is geared towards researchers, students, and anyone else who has a passion for mathematics. With over 4636 unique users per day and 5099.6 pageviews, it is clear that the site is popular and well-loved by those who use it.

The site's primary focus is on mathematics, with articles covering topics such as algebra, geometry, calculus, and statistics. The site also offers a vast array of interactive resources, including quizzes, puzzles, and games, making it an excellent resource for anyone looking to sharpen their math skills. It is a free and open platform, where users can easily edit, update, and contribute their knowledge about mathematics.

One of the essential features of PlanetMath.org is the site's easy-to-use interface. The site has a clean, uncluttered layout, making it easy for users to navigate the site and find the information they are looking for. The site is divided into different categories, with each category having a separate section. This categorization makes it easy for users to find the relevant content that they are interested in.

Another notable aspect of the site is that it is family-friendly, with no explicit content that might be deemed inappropriate for younger viewers. The site values inclusivity, and everyone regardless of their background and age, can use it.

PlanetMath.org is hosted by the University of Waterloo in Canada, which provides a reliable and safe online environment for users. The site has also obtained an SSL certificate from Let's Encrypt, ensuring that all communication between the server and the user's browser is securely encrypted.

Finally, in terms of performance, the site is incredibly fast, with Google's PageSpeed Insights scoring it a speed of 99, which is a testament to the site's well-designed architecture and the quality of the site's hosting.

Overall, PlanetMath.org is an excellent resource that provides a wealth of information on mathematics. With its comprehensive collection of articles, interactive resources, and user-friendly interface, it is a valuable asset to anyone interested in learning about mathematics.

Planetmath.org Rank Summary

Global Rank

135,555

Average Load Time

1.48sec

Links In Count

897

Website Value

$94,900

Audience Geography. Where are planetmath.org visitors located?

Country	Visitors
United States US	26.6%
India IN	14%
Italy IT	5%
United Kingdom GB	4.5%
Canada CA	4.3%
Sweden SE	3.2%
Poland PL	2.5%
Norway NO	2%
Pakistan PK	1.2%
Other	36.9%

Country	Pageviews
United States US	25.8%
India IN	12.5%
Italy IT	8.4%
Israel IL	5%
United Kingdom GB	4%
Canada CA	3.8%
Sweden SE	2.8%
Poland PL	2.2%
Norway NO	1.8%
Other	33.7%

Country	Rank
Ethiopia ET	17635
Sweden SE	20839
Norway NO	22389
Israel IL	32035
Italy IT	41270
India IN	44962
Poland PL	52055
Canada CA	52961
Pakistan PK	53139
Philippines PH	65146
South Africa ZA	65834
United States US	74332

Where do visitors go on planetmath.org?

Subdomain	Pageviews
planetmath.org	100%

Subdomain	Pageviews per User
planetmath.org	1.1

Subdomain	Reach
planetmath.org	100%

How popular is planetmath.org?

Period	Global Rank	Global Rank Delta
past 3 months	135555	-23786
past month	126822	-403
past week	126308	-28224
yesterday	222468	7185

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	229622	-35063	19	20%	1.1	-2.61%
30	217143	-1010	21	4%	1.1	0.9%
7	213061	-56554	22	30%	1.2	9%
1	387698	4336	1	-7.577%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	108384	-20393	62	20%
30	100954	-505	69	3%
7	103916	-20517	67	20%
1	182679	5563	4	-7.577%

Planetmath.org Website Safety

Overview

Last Updated: 11/22/2024

Overall result - planetmath.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: 03/24/2024

planetmath.org is safe.

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

Google Safe Search

Last Updated: 02/18/2019

planetmath.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

planetmath.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: 02/24/2021

planetmath.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

planetmath.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	mathcrypt.org
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	09/13/2024
Expiration	12/12/2024
Signed	Certificate is not self signed
Additional Domains	mathcrypt.org planet2.math.uwaterloo.ca planetmath.org sike.org www.mathcrypt.org www.planetmath.org www.sike.org

Planetmath.org Rank History

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

Planetmath.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 12093

ASN Title: UWATERLOO - University of Waterloo, CA

Last Update: 07/21/2024

#
# 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: 12093
ASName: UWATERLOO
ASHandle: AS12093
RegDate: 1999-03-22
Updated: 2012-06-15
Comment: http://www.uwaterloo.ca
Ref: https://rdap.arin.net/registry/autnum/12093

OrgName: University of Waterloo
OrgId: UNIVER-312
Address: 200 University Avenue West
City: Waterloo
StateProv: ON
PostalCode: N2L-3G1
Country: CA
RegDate: 1987-10-24
Updated: 2016-09-22
Ref: https://rdap.arin.net/registry/entity/UNIVER-312

OrgTechHandle: BOURQ-ARIN
OrgTechName: Bourque, Steven
OrgTechPhone: +1-519-888-4567
OrgTechEmail: sbourque@uwaterloo.ca
OrgTechRef: https://rdap.arin.net/registry/entity/BOURQ-ARIN

OrgTechHandle: TECHN619-ARIN
OrgTechName: Technical Contact
OrgTechPhone: +1-519-888-4567
OrgTechEmail: ns-tech@ist.uwaterloo.ca
OrgTechRef: https://rdap.arin.net/registry/entity/TECHN619-ARIN

OrgAbuseHandle: SAR43-ARIN
OrgAbuseName: Security, Abuse Reports
OrgAbusePhone: +1-519-888-4567
OrgAbuseEmail: abuse@uwaterloo.ca
OrgAbuseRef: https://rdap.arin.net/registry/entity/SAR43-ARIN

OrgTechHandle: VERLI-ARIN
OrgTechName: Verlis, Matthew
OrgTechPhone: +1-519-888-4567
OrgTechEmail: mverlis@uwaterloo.ca
OrgTechRef: https://rdap.arin.net/registry/entity/VERLI-ARIN

RTechHandle: TECHN619-ARIN
RTechName: Technical Contact
RTechPhone: +1-519-888-4567
RTechEmail: ns-tech@ist.uwaterloo.ca
RTechRef: https://rdap.arin.net/registry/entity/TECHN619-ARIN

RAbuseHandle: SAR43-ARIN
RAbuseName: Security, Abuse Reports
RAbusePhone: +1-519-888-4567
RAbuseEmail: abuse@uwaterloo.ca
RAbuseRef: https://rdap.arin.net/registry/entity/SAR43-ARIN

RNOCHandle: TECHN619-ARIN
RNOCName: Technical Contact
RNOCPhone: +1-519-888-4567
RNOCEmail: ns-tech@ist.uwaterloo.ca
RNOCRef: https://rdap.arin.net/registry/entity/TECHN619-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.
#

Planetmath.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: planetmath.org
Registry Domain ID: 5b70fffe867f43538acff26b4b6bd7bd-LROR
Registrar WHOIS Server: http://whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2024-07-05T18:06:54Z
Creation Date: 2000-12-05T18:36:57Z
Registry Expiry Date: 2024-12-05T18:36:57Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
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
Tech Phone: REDACTED FOR PRIVACY
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.dominia.org
Name Server: ns2.dominia.org
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-26T05:22:18Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
planetmath.org	129.97.206.129	43200

Host	MX Record	Priority	TTL
planetmath.org	mail.planetmath.org	10	43200

Host	NS Record	TTL
planetmath.org	ns2.dominia.org	43200
planetmath.org	ns.dominia.org	43200

Host	TXT Record	TTL

planetmath.org
TTL: 43200
Email address: djao.dominia.org
Serial: 2010012913
Refresh: 21600
Retry: 10800
Expire: 604800
Minimum: 43200

Planetmath.org HTML Check

HTML Validation Tool

Errors

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

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

Attribute “xmlns:owl” not allowed here.

Attribute “xmlns:rdf” not allowed here.

Attribute “xmlns:rss” not allowed here.

Attribute “xmlns:site” not allowed here.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Bad value “header region-header” for attribute “id” on element “div”: An ID must not contain whitespace.

Element “h2” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

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

No space between attributes.

Attribute “;” not allowed on element “p” at this point.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Stray end tag “img”.

Warnings

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

Attribute with the local name “xmlns:owl” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rss” is not serializable as XML 1.0.

Attribute with the local name “xmlns:site” is not serializable as XML 1.0.

Attribute “;” is not serializable as XML 1.0.

Planetmath.org Desktop Performance

Last tested: 11/12/2018

Desktop Speed

99%

Enable compression

Desktop Resource Breakdown

Total Resources	3
Number of Hosts	2
JavaScript Resources	1

Planetmath.org Mobile Insights

Last tested: 11/12/2018

Mobile Usability

67%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

99%

Enable compression

Mobile Resource Breakdown

Total Resources	3
Number of Hosts	2
JavaScript Resources	1

Planetmath.org Common Typos

www.planetmath.com
www.planetmath.net
www.planetmath.org
www.planetmath.info
www.planetmath.biz
www.planetmath.us
www.planetmath.mobi
www.lanetmath.org
www.planetmath.org
www.olanetmath.org
www.polanetmath.org
www.oplanetmath.org
www.llanetmath.org
www.pllanetmath.org
www.lplanetmath.org
www.panetmath.org
www.ppanetmath.org
www.plpanetmath.org
www.pplanetmath.org
www.poanetmath.org
www.ploanetmath.org
www.pkanetmath.org
www.plkanetmath.org
www.pklanetmath.org
www.plnetmath.org
www.plqnetmath.org
www.plaqnetmath.org
www.plqanetmath.org
www.plwnetmath.org
www.plawnetmath.org
www.plwanetmath.org
www.plsnetmath.org
www.plasnetmath.org
www.plsanetmath.org
www.plznetmath.org
www.plaznetmath.org
www.plzanetmath.org
www.plaetmath.org
www.plabetmath.org
www.planbetmath.org
www.plabnetmath.org
www.plahetmath.org
www.planhetmath.org
www.plahnetmath.org
www.plajetmath.org
www.planjetmath.org
www.plajnetmath.org
www.plametmath.org
www.planmetmath.org
www.plamnetmath.org
www.plantmath.org
www.planwtmath.org
www.planewtmath.org
www.planwetmath.org
www.planstmath.org
www.planestmath.org
www.plansetmath.org
www.plandtmath.org
www.planedtmath.org
www.plandetmath.org
www.planrtmath.org
www.planertmath.org
www.planretmath.org
www.planemath.org
www.planermath.org
www.planetrmath.org
www.planefmath.org
www.planetfmath.org
www.planeftmath.org
www.planegmath.org
www.planetgmath.org
www.planegtmath.org
www.planeymath.org
www.planetymath.org
www.planeytmath.org
www.planetath.org
www.planetnath.org
www.planetmnath.org
www.planetnmath.org
www.planetjath.org
www.planetmjath.org
www.planetjmath.org
www.planetkath.org
www.planetmkath.org
www.planetkmath.org
www.planetmth.org
www.planetmqth.org
www.planetmaqth.org
www.planetmqath.org
www.planetmwth.org
www.planetmawth.org
www.planetmwath.org
www.planetmsth.org
www.planetmasth.org
www.planetmsath.org
www.planetmzth.org
www.planetmazth.org
www.planetmzath.org
www.planetmah.org
www.planetmarh.org
www.planetmatrh.org
www.planetmarth.org
www.planetmafh.org
www.planetmatfh.org
www.planetmafth.org
www.planetmagh.org
www.planetmatgh.org
www.planetmagth.org
www.planetmayh.org
www.planetmatyh.org
www.planetmayth.org
www.planetmat.org
www.planetmatb.org
www.planetmathb.org
www.planetmatbh.org
www.planetmatg.org
www.planetmathg.org
www.planetmaty.org
www.planetmathy.org
www.planetmatu.org
www.planetmathu.org
www.planetmatuh.org
www.planetmatj.org
www.planetmathj.org
www.planetmatjh.org
www.planetmatn.org
www.planetmathn.org
www.planetmatnh.org

Planetmath.org PlanetMath.org

Planetmath.org Overview

Planetmath.org Rank Summary

Planetmath.org Website Safety

Planetmath.org Rank History

Planetmath.org Hosting Information

Planetmath.org Domain Registration and Settings

Planetmath.org HTML Check

Planetmath.org Desktop Performance

Planetmath.org Mobile Insights

Planetmath.org Similar Audits

Planetmath.org Common Typos