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Practicalphysics.org belongs to AMAZON-02 - Amazon.com, Inc., US. Check the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

In terms of rank-to-traffic ratio, practicalphysics.org has 8,599 unique users per day, viewing 34,738 pages. The rank based value of practicalphysics.org is 52,540 USD. Every user makes 4.32 pageviews on average.

Practicalphysics.org boasts a link base consisting of 522 referring domains and 584 external backlinks, as revealed by the data obtained from web network scanning.

Practicalphysics.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in December 27, 2024, practicalphysics.org has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.

Based on data from Google Safe Browsing, Symantec and Web of Trust practicalphysics.org is a fairly safe domain.

According the Mobile-Friendly test by Google practicalphysics.org is nice optimized for mobile devices and tablets.

Practicalphysics.org Website Safety

Overview

Last Updated: 12/27/2024

Unknown status.

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Norton Connect Safe

Last Updated: 03/25/2024

practicalphysics.org is safe.

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

Google Safe Search

Last Updated: 12/27/2024

Unknown status.

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Google Safe Browsing

Last Updated: 01/09/2019

practicalphysics.org is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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Site Advisor

Last Updated: 01/13/2019

practicalphysics.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

practicalphysics.org child safety is very good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
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Practicalphysics.org Rank History

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

Practicalphysics.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

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

Last Update: 12/25/2024

#
# 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
# 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: 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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Practicalphysics.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: PRACTICALPHYSICS.ORG
Registry Domain ID: D98321107-LROR
Registrar WHOIS Server: whois.cscglobal.com
Registrar URL: www.cscglobal.com/global/web/csc/digital-brand
Updated Date: 2021-07-03T05:16:45Z
Creation Date: 2003-07-07T08:33:26Z
Registry Expiry Date: 2022-07-07T08:33:26Z
Registrar Registration Expiration Date:
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: domainabuse@cscglobal.com
Registrar Abuse Contact Phone: +1.8887802723
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization:
Registrant State/Province: FL
Registrant Country: US
Name Server: NS-1496.AWSDNS-59.ORG
Name Server: NS-577.AWSDNS-08.NET
Name Server: NS-394.AWSDNS-49.COM
Name Server: NS-1914.AWSDNS-47.CO.UK
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-05-23T14:03:24Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

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Host	NS Record	TTL

Host	TXT Record	TTL

Practicalphysics.org HTML Check

HTML Validation Tool

Errors

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

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.

Duplicate ID “content-top”.

A slash was not immediately followed by “>”.

Duplicate ID “search”.

Attribute “value” not allowed on element “input” at this point.

Element “input” is missing required attribute “alt”.

Attribute “checked” not allowed on element “input” at this point.

Duplicate ID “content”.

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

The “for” attribute of the “label” element must refer to a non-hidden form control.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The first occurrence of ID “content-top” was here.

The first occurrence of ID “search” was here.

The first occurrence of ID “content” was here.

Practicalphysics.org Desktop Performance

Last tested: 08/16/2018

Desktop Speed

80%

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify HTML

Enable compression

Desktop Resource Breakdown

Total Resources	42
Number of Hosts	7
Static Resources	18
JavaScript Resources	24
CSS Resources	2

Practicalphysics.org Mobile Insights

Last tested: 08/16/2018

Mobile Usability

63%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Mobile Speed

64%

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify HTML

Enable compression

Mobile Resource Breakdown

Total Resources	42
Number of Hosts	7
Static Resources	18
JavaScript Resources	24
CSS Resources	2

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Practicalphysics.org Common Typos