Physicscentral.com PhysicsCentral

Learn about public engagement activities from the American Physical Society

Physicscentral.com Overview

PhysicsCentral.com is a website owned and managed by the American Physical Society, a non-profit organization that strives to promote the understanding and appreciation of the field of physics. This website serves as a resource for people interested in learning more about public engagement activities related to physics. With a daily unique user count of 2958, PhysicsCentral.com ranks well in terms of online traffic. Based on this statistic and the number of pageviews that it generates daily, we can conclude that the website is popular among its audience and provides useful information about the field of physics.

The website’s hosting is handled by Amazon.com, Inc., which offers reliable and robust web hosting services to businesses worldwide. The site has a top-level domain of .COM, which is one of the most commonly used top-level domains on the internet. Additionally, the website is secured by SSL issued by Comodo CA Limited, ensuring that user data is protected from unauthorized access.

From our initial analysis of the website, we can confidently say that it is family-friendly. There is no inappropriate content, and the information that it delivers is educational and intended for all audiences. This makes it a safe and enjoyable resource for children and adults alike.

According to PageSpeed Insights, PhysicsCentral.com has average scores in terms of performance, accessibility, best practices, and search engine optimization. However, there is room for improvement in all of these areas. The website’s performance score could be improved by optimizing its images to ensure faster loading times. The site’s accessibility and best practices scores could be enhanced by following web development best practices like optimizing code, using proper tags, and including alt attributes for all images. The low SEO score can be improved with proper keyword research and implementation in the website's content and meta tags.

In terms of the website’s structure, it is easy to navigate and find the relevant information. All content is organized into sections, and users can browse the website by topic or the type of engagement activity that they are interested in. Additionally, the website’s design is visually appealing, ensuring an engaging user experience.

In conclusion, with its informative content, user-friendly interface, and family-friendly nature, PhysicsCentral.com is a valuable resource for anyone interested in learning more about physics. However, improvements can be made in terms of performance, accessibility, best practices, and search engine optimization.

Physicscentral.com Rank Summary

Global Rank

212,284

Average Load Time

22.41sec

Links In Count

1,293

Website Value

$59,130

Audience Geography. Where are physicscentral.com visitors located?

Country	Visitors
United States US	38.2%
India IN	7.1%
Australia AU	5.6%
Canada CA	5.2%
Philippines PH	2.5%
Pakistan PK	1.6%
Other	39.9%

Country	Pageviews
United States US	33.4%
Canada CA	7.4%
India IN	6.9%
Philippines PH	6.4%
Australia AU	4.9%
Pakistan PK	1.4%
Other	39.7%

Country	Rank
Philippines PH	26373
Australia AU	58342
Canada CA	74226
Pakistan PK	78543
United States US	112680
India IN	143236

Where do visitors go on physicscentral.com?

Subdomain	Pageviews
physicscentral.com	73.2%
physicsbuzz.physicscentral.com	26.81%

Subdomain	Pageviews per User
physicscentral.com	1.2
physicsbuzz.physicscentral.com	1

Subdomain	Reach
physicscentral.com	70.3%
physicsbuzz.physicscentral.com	30.61%

How popular is physicscentral.com?

Period	Global Rank	Global Rank Delta
past 3 months	212284	-45237
past month	240560	27352
past week	264632	56174
yesterday	732687	-10079

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	352848	-44845	11	20%	1.1	-13.08%
30	400241	49956	9	-14.8%	1.1	-3.36%
7	391671	21194	1	-7.051%	1.5	40%
1	848304	73631	3	-20.04%	1	-18.03%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	171602	-47042	35	40%
30	196795	20945	3	-11.71%
7	237115	70600	25	-35.47%
1	656503	-46278	9	-2.3%

Physicscentral.com Website Safety

Overview

Last Updated: 09/20/2024

Overall result - physicscentral.com 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

physicscentral.com is safe.

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

Google Safe Search

Last Updated: 02/19/2019

physicscentral.com 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

physicscentral.com 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: 02/23/2021

physicscentral.com is safe.

McAfee assesses physicscentral.com 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 physicscentral.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

physicscentral.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	physicscentral.com
Issuer Organization	COMODO CA Limited
Issuer	COMODO RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	08/28/2017
Expiration	08/27/2020
Signed	Certificate is not self signed
Additional Domains	physicscentral.com physicscentral.net physicscentral.org www.physicscentral.com www.physicscentral.org

Physicscentral.com Rank History

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

Physicscentral.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 07/22/2024

#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-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.
#

Physicscentral.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: PHYSICSCENTRAL.COM
Registry Domain ID: 24409095_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.domain.com
Registrar URL: http://www.domain.com
Updated Date: 2021-02-08T14:49:09Z
Creation Date: 2000-04-07T16:08:59Z
Registry Expiry Date: 2022-04-07T16:08:59Z
Registrar: Domain.com, LLC
Registrar IANA ID: 886
Registrar Abuse Contact Email: compliance@domain-inc.net
Registrar Abuse Contact Phone: 602-226-2389
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS-1466.AWSDNS-55.ORG
Name Server: NS-1718.AWSDNS-22.CO.UK
Name Server: NS-328.AWSDNS-41.COM
Name Server: NS-579.AWSDNS-08.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-12T18:28:44Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
physicscentral.com	149.28.1.10	300

Host	MX Record	Priority	TTL
physicscentral.com	physicscentral-com.p10.spamhero.com	10	300
physicscentral.com	physicscentral-com.p20.spamhero.net	20	300
physicscentral.com	physicscentral-com.p30.spamhero.net	30	300
physicscentral.com	physicscentral-com.p40.spamhero.net	40	300

Host	NS Record	TTL
physicscentral.com	ns-1466.awsdns-55.org	172800
physicscentral.com	ns-1718.awsdns-22.co.uk	172800
physicscentral.com	ns-328.awsdns-41.com	172800
physicscentral.com	ns-579.awsdns-08.net	172800

Host	TXT Record	TTL
physicscentral.com	facebook-domain-verification=lqtvl765c9cr706hdwu4wv4mzrzmfj	300

ns-1466.awsdns-55.org
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Physicscentral.com HTML Check

HTML Validation Tool

Errors

Element “head” is missing a required instance of child element “title”.

Start tag “body” seen but an element of the same type was already open.

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

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

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

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

The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.

End tag “td” seen, but there were open elements.

Unclosed element “div”.

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

The “clear” attribute on the “br” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “bounce"” not allowed on element “img” at this point.

Attribute “as” not allowed on element “img” at this point.

Attribute “a” not allowed on element “img” at this point.

Attribute “stream.” not allowed on element “img” at this point.

Attribute “try” not allowed on element “img” at this point.

Attribute “it” not allowed on element “img” at this point.

Attribute “at” not allowed on element “img” at this point.

Attribute “home!"” not allowed on element “img” at this point.

Attribute “fictitious” not allowed on element “img” at this point.

Attribute “force"” not allowed on element “img” at this point.

Attribute “works” not allowed on element “img” at this point.

Attribute “with” not allowed on element “img” at this point.

Attribute “trip” not allowed on element “img” at this point.

Attribute “to” not allowed on element “img” at this point.

Attribute “the” not allowed on element “img” at this point.

Attribute “playground!"” not allowed on element “img” at this point.

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

The “hspace” attribute on the “img” element is obsolete. Use CSS instead.

The “vspace” attribute on the “img” element is obsolete. Use CSS instead.

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

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

Duplicate ID “https://itunes.apple.com/us/app/spectrasnapp/id582838193?mt=8|”.

Duplicate ID “CP___PAGEID=45881,index.cfm,84|”.

Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “CP___PAGEID=22165,posters.cfm,12”.

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

Warnings

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

Attribute “bounce"” is not serializable as XML 1.0.

Attribute “home!"” is not serializable as XML 1.0.

Attribute “force"” is not serializable as XML 1.0.

Attribute “playground!"” is not serializable as XML 1.0.

The first occurrence of ID “https://itunes.apple.com/us/app/spectrasnapp/id582838193?mt=8|” was here.

The first occurrence of ID “CP___PAGEID=45881,index.cfm,84|” was here.

The first occurrence of ID “CP___PAGEID=22165,posters.cfm,12” was here.

Physicscentral.com Lighthouse Performance

Mobile Statistics

Performance 47%

Accessibility 70%

Best Practices 67%

Progressive Web App 17%

Seo 42%

Physicscentral.com Desktop Performance

Last tested: 02/04/2018

Desktop Speed

47%

Optimize images

Leverage browser caching

Reduce server response time

Minify JavaScript

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

Minify CSS

Desktop Resource Breakdown

Total Resources	89
Number of Hosts	11
Static Resources	80
JavaScript Resources	20
CSS Resources	9

Physicscentral.com Mobile Insights

Last tested: 06/14/2019

Mobile Usability

66%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

43%

Leverage browser caching

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

Optimize images

Reduce server response time

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	90
Number of Hosts	12
Static Resources	83
JavaScript Resources	21
CSS Resources	9

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Physicscentral.com PhysicsCentral

Learn about public engagement activities from the American Physical Society

Physicscentral.com Overview

Physicscentral.com Rank Summary

Physicscentral.com Website Safety

Physicscentral.com Rank History

Physicscentral.com Hosting Information

Physicscentral.com Domain Registration and Settings

Physicscentral.com HTML Check

Physicscentral.com Lighthouse Performance

Physicscentral.com Desktop Performance

Physicscentral.com Mobile Insights

Physicscentral.com Similar Audits

Physicscentral.com Common Typos