Quatr.us Quatr.us Study Guides - Simple history and science articles with a leftist take

Simple history and science articles with a leftist take

Quatr.us Overview

Quatr.us ranking shows that the page is at position 145,587 over the world, while the bulk of its audience is from United States, where it ranks 35,348.

In terms of rank-to-traffic ratio, quatr.us has 3,898 unique users per day, viewing 5,112 pages. The rank based value of quatr.us is 94,703 USD. Every user makes 1.40 pageviews on average.

Quatr.us boasts a link base consisting of 550 referring domains and 702 external backlinks, as revealed by the data obtained from web network scanning.

Quatr.us top-level domain belongs to .US domain zone. Check other webpages in .US zone.

According the last verification test in July 26, 2024, quatr.us has an expired SSL certificate issued by Google Trust Services LLC (expired on August 30, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Google Trust Services LLC.

Based on data from Google Safe Browsing, Google Safe Search and Symantec quatr.us is a fairly safe domain.

According the Mobile-Friendly test by Google quatr.us is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Quatr.us Rank Summary

Global Rank

145,587

Average Load Time

10.58sec

Links In Count

251

Website Value

$87,688

Audience Geography. Where are quatr.us visitors located?

Country	Visitors
United States US	64.5%
Australia AU	5.3%
United Kingdom GB	3.8%
India IN	3.2%
Philippines PH	2.2%
New Zealand NZ	0.7%
Malaysia MY	0.6%
Other	19.8%

Country	Pageviews
United States US	71.1%
Australia AU	3.7%
United Kingdom GB	3.6%
India IN	2.6%
Philippines PH	1.7%
New Zealand NZ	0.9%
Malaysia MY	0.4%
Other	16.1%

Country	Rank
Philippines PH	23201
New Zealand NZ	26220
United States US	35348
Australia AU	36058
Malaysia MY	89088
United Kingdom GB	90838
India IN	161234

Where do visitors go on quatr.us?

Subdomain	Pageviews
quatr.us	100%

Subdomain	Pageviews per User
quatr.us	1.4

Subdomain	Reach
quatr.us	100%

How popular is quatr.us?

Period	Global Rank	Global Rank Delta
past 3 months	145587	-1721
past month	137010	-22150
past week	144000	-77946
yesterday	280368	149742

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	231086	-10801	19	10%	1.3	9%
30	208422	-46429	22	30%	1.4	10%
7	232021	-117459	2	70%	1.3	0%
1	448398	268852	9	-65.749%	1	-28.24%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	122221	1628	55	2%
30	119021	-15055	56	20%
7	122455	-68701	55	70%
1	239062	106123	3	-52.06%

Quatr.us Website Safety

Overview

Last Updated: 12/26/2024

Overall result - quatr.us 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: 03/22/2024

quatr.us is safe.

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

Google Safe Search

Last Updated: 10/23/2016

quatr.us 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

quatr.us 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

quatr.us is safe.

McAfee assesses quatr.us 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 quatr.us for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/26/2024

quatr.us child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	quatr.us
Issuer Organization	Google Trust Services LLC
Issuer	GTS CA 1P5
Algorithm	RSA-SHA256
Valid form	06/01/2024
Expiration	08/30/2024
Signed	Certificate is not self signed
Additional Domains	quatr.us *.quatr.us

Quatr.us Rank History

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

Quatr.us Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 12/20/2024

#
# 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: 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.
#

Quatr.us Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: quatr.us
Registry Domain ID: D38675115-US
Registrar WHOIS Server:
Registrar URL: whois.biz
Updated Date: 2022-01-02T04:26:55Z
Creation Date: 2012-12-31T08:01:35Z
Registry Expiry Date: 2023-12-30T23:59:59Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: CC5F95B510F084E05AB4FFA2546004EAD-NSR
Registrant Name: Kidipede, Inc. Kidipede, Inc.
Registrant Organization: Kidipede, Inc.
Registrant Street: 5166 NE WISTARIA DR
Registrant Street:
Registrant Street:
Registrant City: PORTLAND
Registrant State/Province: OR
Registrant Postal Code: 97213-2557
Registrant Country: US
Registrant Phone: +1.5034591707
Registrant Phone Ext:
Registrant Fax: +1.5707088780
Registrant Fax Ext:
Registrant Email: kevacarr@gmail.com
Registrant Application Purpose: P1
Registrant Nexus Category: C21
Registry Admin ID: CC5F95B510F084E05AB4FFA2546004EAD-NSR
Admin Name: Kidipede, Inc. Kidipede, Inc.
Admin Organization: Kidipede, Inc.
Admin Street: 5166 NE WISTARIA DR
Admin Street:
Admin Street:
Admin City: PORTLAND
Admin State/Province: OR
Admin Postal Code: 97213-2557
Admin Country: US
Admin Phone: +1.5034591707
Admin Phone Ext:
Admin Fax: +1.5707088780
Admin Fax Ext:
Admin Email: kevacarr@gmail.com
Admin Application Purpose: P1
Admin Nexus Category: C21
Registry Tech ID: CC5F95B510F084E05AB4FFA2546004EAD-NSR
Tech Name: Kidipede, Inc. Kidipede, Inc.
Tech Organization: Kidipede, Inc.
Tech Street: 5166 NE WISTARIA DR
Tech Street:
Tech Street:
Tech City: PORTLAND
Tech State/Province: OR
Tech Postal Code: 97213-2557
Tech Country: US
Tech Phone: +1.5034591707
Tech Phone Ext:
Tech Fax: +1.5707088780
Tech Fax Ext:
Tech Email: kevacarr@gmail.com
Tech Application Purpose: P1
Tech Nexus Category: C21
Name Server: goat.ezoicns.com
Name Server: deer.ezoicns.com
Name Server: moth.ezoicns.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-02-06T17:05:21Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Quatr.us HTML Check

HTML Validation Tool

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.

Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.

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

Attribute “xmlns:v” not allowed here.

Bad value “mailto:karen@quatr.us?subject=Email Newsletter&body=Please sign me up for the email newsletter.” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “<a href=” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

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

Bad value “mailto: karen@quatr.us” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

No space between attributes.

Element “script” must not have attribute “async” unless attribute “src” is also specified.

Warnings

The “navigation” role is unnecessary for element “nav”.

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

The “main” role is unnecessary for element “main”.

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

The “complementary” role is unnecessary for element “aside”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The “contentinfo” role is unnecessary for element “footer”.

Quatr.us Desktop Performance

Last tested: 06/02/2017

Desktop Speed

70%

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

Leverage browser caching

Enable compression

Optimize images

Minify JavaScript

Minify HTML

Desktop Resource Breakdown

Total Resources	244
Number of Hosts	95
Static Resources	68
JavaScript Resources	62
CSS Resources	1

Quatr.us Mobile Insights

Last tested: 05/23/2017

Mobile Usability

95%

Size content to viewport

Size tap targets appropriately

Mobile Speed

41%

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

Leverage browser caching

Optimize images

Enable compression

Minify JavaScript

Minify HTML

Mobile Resource Breakdown

Total Resources	223
Number of Hosts	94
Static Resources	38
JavaScript Resources	39
CSS Resources	1

Quatr.us Common Typos

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Quatr.us Quatr.us Study Guides - Simple history and science articles with a leftist take

Simple history and science articles with a leftist take

Quatr.us Overview

Quatr.us Rank Summary

Quatr.us Website Safety

Quatr.us Rank History

Quatr.us Hosting Information

Quatr.us Domain Registration and Settings

Quatr.us HTML Check

Quatr.us Desktop Performance

Quatr.us Mobile Insights

Quatr.us Similar Audits

Quatr.us Common Typos