Perimeterinstitute.ca Homepage | Perimeter Institute

From quarks to black holes & beyond, explore free physics lectures, seminars, & courses for teachers & students from high school to post university.

Perimeterinstitute.ca Overview

out of 100 (Desktop) and 18 out of 100 (Mobile).

Site language is English and it is related to physics research.

Perimeter Institute's website, perimeterinstitute.ca, is the official website for the renowned center for theoretical physics research, education, and innovation, Perimeter Institute. This website provides users with a wealth of information about the institute, its research activities, departments, faculty, staff, visitors, events, publications, and other resources.

The website's structure is user-friendly and includes various sections such as Home, About, Research, Community, Education, Outreach, News & Media, and Careers. Each section is further subdivided into subsections to provide more detailed information and enable easy navigation.

The Home section provides an overview of the Perimeter Institute, including a brief history, mission, and vision statements. This section also features the latest news and events, a spotlight section that showcases recent research achievements, and links to social media platforms.

The About section covers detailed information about the Institute, including its governance structure, leadership, research facilities, and partnerships. This section also provides information about the research departments, faculty members, and visiting scientists.

The Research section provides a comprehensive overview of the institute's research activities, including theoretical physics, quantum foundations, cosmology and astrophysics, condensed matter physics, and mathematical physics. This section also includes information about research seminars, workshops, and collaborations.

The Community section focuses on building a community of researchers, scholars, and students to foster interdisciplinary collaborations and advance research outcomes. This section includes information about the graduate programs, postdoctoral fellowships, and other research opportunities.

The Education section provides information about the Institute's efforts to provide transformative educational experiences to students and the broader community. This section includes information about student programs, teacher resources, and online courses.

The Outreach section focuses on sharing the Institute's research findings with the broader public through various events, programs, and media. This section includes outreach and public lectures, scientific poster sessions, podcasts, and other resources for the public.

The News & Media section includes the Institute's latest news releases, news articles, and multimedia resources, including images, videos, and publications.

The Careers section includes information about job openings, internships, and other career opportunities at the Institute.

The website's design is simple and elegant, featuring a dark blue and white color scheme with minimalistic visuals to showcase research outcomes and information. The website is

Perimeterinstitute.ca Rank Summary

Global Rank

125,546

Average Load Time

1.92sec

Links In Count

799

Website Value

$94,900

Audience Geography. Where are perimeterinstitute.ca visitors located?

Country	Visitors
United States US	17.5%
Japan JP	16.9%
India IN	12.1%
Hong Kong HK	10.5%
Canada CA	7%
South Africa ZA	2.2%
Malaysia MY	1.4%
Nigeria NG	1.3%
Cameroon CM	1.1%
Other	29.9%

Country	Pageviews
Hong Kong HK	14.6%
India IN	13.7%
United States US	13.5%
Japan JP	11.6%
Canada CA	6.5%
South Africa ZA	4%
Nigeria NG	2.3%
Pakistan PK	1.5%
Malaysia MY	1.4%
Other	31.2%

Country	Rank
Hong Kong HK	6666
Cameroon CM	6824
South Africa ZA	26659
Canada CA	30379
Malaysia MY	33159
Nigeria NG	36668
India IN	46249
Japan JP	47281
Thailand TH	61483
Pakistan PK	64256
United States US	98985

Where do visitors go on perimeterinstitute.ca?

Subdomain	Pageviews
perimeterinstitute.ca	92.78%
landing.perimeterinstitute.ca	5.43%
other	1.78%

Subdomain	Pageviews per User
perimeterinstitute.ca	2.5
landing.perimeterinstitute.ca	1.4

Subdomain	Reach
perimeterinstitute.ca	95.83%
landing.perimeterinstitute.ca	10.55%

How popular is perimeterinstitute.ca?

Period	Global Rank	Global Rank Delta
past 3 months	125546	-69584
past month	117631	-28084
past week	163257	18259
yesterday	655430	502308

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	130702	-64789	39	70%	2.9	-5.788%
30	131099	-33231	39	30%	2.6	2%
7	135251	-12279	38	10%	4.6	40%
1	726640	580291	3	-92.04%	1	-65.616%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	131814	-76971	49	80%
30	120188	-28708	53	20%
7	191860	35383	3	-20.58%
1	552941	376125	1	-76.936%

Perimeterinstitute.ca Website Safety

Overview

Last Updated: 12/26/2024

Overall result - perimeterinstitute.ca 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

perimeterinstitute.ca is safe.

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Google Safe Search

Last Updated: 11/11/2016

perimeterinstitute.ca is safe.

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Google Safe Browsing

Last Updated: 01/09/2019

perimeterinstitute.ca is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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Site Advisor

Last Updated: 02/25/2021

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McAfee assesses perimeterinstitute.ca 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 perimeterinstitute.ca for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

perimeterinstitute.ca child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	perimeterinstitute.ca
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	09/12/2024
Expiration	12/11/2024
Signed	Certificate is not self signed
Additional Domains	perimeterinstitute.ca *.perimeterinstitute.ca

Perimeterinstitute.ca Rank History

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

Perimeterinstitute.ca Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/31/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
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# If you see inaccuracies in the results, please report at
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ASNumber: 13335
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Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
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RAbuseEmail: abuse@cloudflare.com
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#
# 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
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Perimeterinstitute.ca Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: perimeterinstitute.ca
Registry Domain ID: D46824-CIRA
Registrar WHOIS Server: whois.ca.fury.ca
Registrar URL: www.rebel.ca
Updated Date: 2024-01-15T05:08:28Z
Creation Date: 2000-11-24T21:26:19Z
Registry Expiry Date: 2024-12-01T05:00:00Z
Registrar: Rebel.ca Corp.
Registrar IANA ID: not applicable
Registrar Abuse Contact Email: abuse@rebel.com
Registrar Abuse Contact Phone: +1.6132252000
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: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
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Name Server: drew.ns.cloudflare.com
Name Server: lucy.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-18T20:12:44Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
perimeterinstitute.ca	40.80.253.4	3600

Host	MX Record	Priority	TTL
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perimeterinstitute.ca	ASPMX.L.GOOGLE.COM	10	3600
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Host	NS Record	TTL
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perimeterinstitute.ca	dns.rebel.ca	3600

Host	TXT Record	TTL
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perimeterinstitute.ca	MS=ms43622443	3600
perimeterinstitute.ca	v=spf1 a mx ip4:66.97.27.10 ip4:107.20.210.250 ip4:52.1.14.157 ip4:206.252.154.118 include:clearcompany.com include:_spf.google.com include:2636016.spf08.hubspotemail.net include:_spf.salesforce.com ~all	3600

dns.rebel.ca
TTL: 86400
Email address: noc.rebel.ca
Serial: 3
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Perimeterinstitute.ca 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.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

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.

Duplicate ID “logo”.

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

Stray end tag “ol”.

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

Attribute “about” not allowed on element “div” at this point.

Attribute “content” not allowed on element “span” at this point.

Attribute “datatype” not allowed on element “span” at this point.

Duplicate attribute “alt”.

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

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

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

Duplicate ID “field_images_captions”.

Start tag “div” seen in “table”.

Cannot recover after last error. Any further errors will be ignored.

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.

The first occurrence of ID “logo” was here.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The first occurrence of ID “field_images_captions” was here.

Perimeterinstitute.ca Desktop Performance

Last tested: 06/22/2019

Desktop Speed

38%

Optimize images

Leverage browser caching

Minify JavaScript

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

Minify CSS

Desktop Resource Breakdown

Total Resources	71
Number of Hosts	13
Static Resources	58
JavaScript Resources	15
CSS Resources	7

Perimeterinstitute.ca Mobile Insights

Last tested: 12/04/2018

Mobile Usability

70%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

38%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	73
Number of Hosts	14
Static Resources	60
JavaScript Resources	17
CSS Resources	7

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Perimeterinstitute.ca Homepage | Perimeter Institute

From quarks to black holes & beyond, explore free physics lectures, seminars, & courses for teachers & students from high school to post university.

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