Physicsclassroom.com The Physics Classroom

The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that...

Physicsclassroom.com Overview

The Physics Classroom is a website that provides educational materials and resources related to physics, aiming to help students and teachers understand the principles of physics in an interactive and engaging manner. The website is designed with a simple and user-friendly interface, making it easy for visitors to navigate and access the content they need.

Hosting and Domain:

This website is hosted by Cloudflare, Inc., one of the most reliable and popular hosting providers, offering fast and secure web hosting solutions. The top-level domain for this site is ".COM," which is one of the most commonly used domain extensions for commercial websites.

SSL:

The SSL certificate of the site is issued by Cloudflare, ensuring that the site's data is safe and secure from external threats.

Content:

The site's homepage features a simple and clean design with well-organized content, making it easy for users to find the information they need. The site offers a wealth of educational resources such as interactive activities, tutorials, and study guides, providing a comprehensive learning experience for visitors.

The Physics Classroom offers a variety of physics-related topics and subtopics, making it easier for students to find information on the specific topics they need. The website includes topics such as motion, energy, electricity, waves, and modern physics, among others.

Family-friendly:

The website is family-friendly and suitable for all audiences, including parents and teachers who are looking for resources to assist their students in learning physics.

Moreover, the website's content is written in straightforward language, making it easy for visitors to understand and apply the concepts covered.

PageSpeed Insights:

According to PageSpeed Insights, the site's speed score is 47 out of 100. This suggests that the site may take longer to load than expected, which may negatively impact user experience. However, the site's mobile usability score is rated as "good," indicating that the website is mobile-friendly and easy to use on mobile devices.

In conclusion, the Physics Classroom website is an excellent resource for students, teachers, and parents who are looking for easy-to-understand and comprehensive educational materials related to physics. The site's user-friendly interface and well-organized content make it easy for users to navigate and find the information they need. However, site owners may need to optimize site speed further to enhance the user experience.

Physicsclassroom.com Rank Summary

Global Rank

21,435

Average Load Time

5.05sec

Links In Count

2,948

Website Value

$560,640

Audience Geography. Where are physicsclassroom.com visitors located?

Country	Visitors
United States US	50%
India IN	10.9%
Philippines PH	6%
Australia AU	5.5%
China CN	3.7%
Pakistan PK	1.8%
United Kingdom GB	1.7%
Canada CA	1.7%
South Africa ZA	1.4%
Other	17.6%

Country	Pageviews
United States US	42.9%
China CN	23.8%
India IN	7.2%
Philippines PH	5.2%
Australia AU	4.1%
Pakistan PK	1.5%
Canada CA	1.3%
United Kingdom GB	0.9%
South Africa ZA	0.8%
Other	12.2%

Country	Rank
Philippines PH	1174
Australia AU	3852
New Zealand NZ	4283
United States US	5595
Pakistan PK	6058
Qatar QA	6084
South Africa ZA	7464
India IN	9107
Malaysia MY	9277
Nigeria NG	11551
Singapore SG	14024
Egypt EG	15141

Where do visitors go on physicsclassroom.com?

Subdomain	Pageviews
physicsclassroom.com	99.92%
other	0.08%

Subdomain	Pageviews per User
physicsclassroom.com	2.3

Subdomain	Reach
physicsclassroom.com	99.96%

How popular is physicsclassroom.com?

Period	Global Rank	Global Rank Delta
past 3 months	21435	8296
past month	16861	-9106
past week	13111	-1460
yesterday	9662	-923

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	29071	9539	236	-37.2%	2.13	13%
30	22646	-12428	313	64%	2.3	6%
7	21621	4373	334	-23.04%	1.7	-40.99%
1	18301	-1314	41	6%	1.4	-3.38%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	19982	8237	411	-44.49%
30	16051	-8216	513	55%
7	11294	-3479	73	30%
1	7690	-907	110	10%

Physicsclassroom.com Website Safety

Overview

Last Updated: 11/22/2024

Overall result - physicsclassroom.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: 03/21/2024

physicsclassroom.com is safe.

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

Google Safe Search

Last Updated: 02/07/2019

physicsclassroom.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

physicsclassroom.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: 02/22/2021

physicsclassroom.com is safe.

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

Web of Trust

Last Updated: 01/09/2019

physicsclassroom.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	sni.cloudflaressl.com
Issuer Organization	CloudFlare, Inc.
Issuer	Cloudflare Inc ECC CA-3
Algorithm	ecdsa-with-SHA256
Valid form	06/29/2021
Expiration	06/28/2022
Signed	Certificate is not self signed
Additional Domains	*.physicsclassroom.com sni.cloudflaressl.com physicsclassroom.com

Physicsclassroom.com Rank History

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

Physicsclassroom.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/16/2024

#
# 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.
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ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Physicsclassroom.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: PHYSICSCLASSROOM.COM
Registry Domain ID: 58724495_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2021-12-09T20:19:07Z
Creation Date: 2001-02-07T13:35:56Z
Registry Expiry Date: 2025-02-07T13:35:56Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: JEFF.NS.CLOUDFLARE.COM
Name Server: OLGA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T22:02:45Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Physicsclassroom.com HTML Check

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Bad value “pragma” for attribute “http-equiv” on element “meta”.

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

Bad value “content-script-type” for attribute “http-equiv” on element “meta”.

A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

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

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

Stray end tag “span”.

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

Unclosed element “span”.

Duplicate ID “MenuV”.

Duplicate ID “menuElem”.

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

Attribute “addthis:userid” not allowed on element “a” at this point.

Warnings

Element name “gcse:search” cannot be represented as XML 1.0.

The first occurrence of ID “MenuV” was here.

The first occurrence of ID “menuElem” was here.

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

Attribute “addthis:userid” is not serializable as XML 1.0.

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

Physicsclassroom.com Desktop Performance

Last tested: 12/07/2019

Desktop Speed

67%

Leverage browser caching

Avoid landing page redirects

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

Optimize images

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	69
Number of Hosts	19
Static Resources	51
JavaScript Resources	21
CSS Resources	5

Physicsclassroom.com Mobile Insights

Last tested: 12/06/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

47%

Avoid landing page redirects

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

Leverage browser caching

Optimize images

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	145
Number of Hosts	35
Static Resources	86
JavaScript Resources	38
CSS Resources	7

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Physicsclassroom.com The Physics Classroom

The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that...

Physicsclassroom.com Overview

Physicsclassroom.com Rank Summary

Physicsclassroom.com Website Safety

Physicsclassroom.com Rank History

Physicsclassroom.com Hosting Information

Physicsclassroom.com Domain Registration and Settings

Physicsclassroom.com HTML Check

Physicsclassroom.com Desktop Performance

Physicsclassroom.com Mobile Insights

Physicsclassroom.com Similar Audits

Physicsclassroom.com Common Typos