persquaremile.com ▶ Per Square Mile

Persquaremile.com | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 03/13/2025

Persquaremile.com attracts 7,308 unique visitors daily, generating 29,232 pageviews. The estimated value of persquaremile.com is 43,913 USD. Each visitor views approximately 4.28 pages on average.

Persquaremile.com is hosted by AMAZON-02 - Amazon.com, Inc., US. Check out other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

Persquaremile.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

A recent examination on (August 17, 2024), indicates that persquaremile.com has an expired SSL certificate issued by Amazon (expired on November 14, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Amazon.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust persquaremile.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, persquaremile.com is optimized for mobile and tablet devices.

Persquaremile.com | General Site Information

not found

Persquaremile.com | Safety and Security Details

Overview

Last Updated: 03/13/2025

Overall result - persquaremile.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: 02/18/2025

persquaremile.com is safe.

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

Google Safe Search

Last Updated: 10/25/2019

persquaremile.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

persquaremile.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: 02/16/2021

persquaremile.com is safe.

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

Web of Trust

Last Updated: 01/12/2019

persquaremile.com child safety is very good.

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

Persquaremile.com | SSL Certificate Information

SSL Checker Tool

Domain	persquaremile.com
Issuer Organization	Amazon
Issuer	Amazon RSA 2048 M03
Algorithm	RSA-SHA256
Valid form	10/17/2023
Expiration	11/14/2024
Signed	Certificate is not self signed
Additional Domains	persquaremile.com www.persquaremile.com

Persquaremile.com | Server and Hosting Details

Server Location

Geolocation Tool

Persquaremile.com ASN Information

ASN Lookup Tool

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 03/05/2024

ASN Whois

#
# 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.
#

Persquaremile.com | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: PERSQUAREMILE.COM
Registry Domain ID: 1630775622_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2021-11-17T07:36:35Z
Creation Date: 2010-12-17T15:51:20Z
Registry Expiry Date: 2022-12-17T15:51:20Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-05-23T19:45:21Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Persquaremile.com | HTML Validation Report

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.

Duplicate attribute “type”.

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

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Bad value “http://twitter.com/home?status=8 Cities That Show You What the Future Will Look Like https://persquaremile.com/2015/09/29/8-cities-show-future-will-look-like/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=How Humans Can Win the Race Against the Machines https://persquaremile.com/2015/09/29/humans-can-win-race-machines/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=When all Japan's a Tokyo suburb https://persquaremile.com/2015/06/10/when-all-japans-a-tokyo-suburb/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Tree Project Aims to Put the Oak Back in Oakland https://persquaremile.com/2015/06/10/tree-project-aims-to-put-the-oak-back-in-oakland/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.

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

Bad value “http://twitter.com/home?status=The arcology of Whittier, Alaska https://persquaremile.com/2015/03/26/the-arcology-of-whittier-alaska/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=A brief history of recycling https://persquaremile.com/2015/03/16/a-brief-history-of-recycling/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Syria After Four Years of Mayhem https://persquaremile.com/2015/03/12/syria-after-four-years-of-mayhem/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Why Apple will make a car—and probably a lot more https://persquaremile.com/2015/02/27/apple-car/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Life is Flourishing in the Iron Curtain's Death Zone https://persquaremile.com/2015/02/25/life-is-flourishing-in-the-iron-curtains-death-zone/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=When we'll run out of oil https://persquaremile.com/2015/02/20/when-well-run-out-of-oil/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Blizzard cut Massachusetts carbon emissions by 32% https://persquaremile.com/2015/01/28/driving-ban/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status='Year's best satellite images' https://persquaremile.com/2014/12/10/years-best-satellite-images/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Summer jobs keep kids out of trouble https://persquaremile.com/2014/12/08/summer-jobs-keep-kids-out-of-trouble/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “http://twitter.com/home?status=Turbolifts close to reality https://persquaremile.com/2014/12/05/turbolifts-close-to-reality/ via @PerSquareMile” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Duplicate ID “searchform”.

Warnings

The “banner” role is unnecessary for element “header”.

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

Empty heading.

The first occurrence of ID “searchform” was here.

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

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

Persquaremile.com | Desktop Performance Insights

Last tested: 10/29/2019

Desktop

Desktop Speed

87%

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

Leverage browser caching

Optimize images

Minify CSS

Minify JavaScript

Enable compression

Desktop Resource Breakdown

Total Resources	59
Number of Hosts	20
Static Resources	28
JavaScript Resources	24
CSS Resources	6

Persquaremile.com | Mobile Performance Insights

Last tested: 10/12/2015

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

73%

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

Leverage browser caching

Minify JavaScript

Optimize images

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	78
Number of Hosts	33
Static Resources	43
JavaScript Resources	39
CSS Resources	10

Persquaremile.com | Common Typographical Errors

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Persquaremile.com Per Square Mile

A blog about density, by Tim De Chant.

Persquaremile.com | Key Trends

Persquaremile.com | General Site Information

Persquaremile.com | Safety and Security Details

Persquaremile.com | Server and Hosting Details

Persquaremile.com | Domain Name Information

Persquaremile.com | HTML Validation Report

Persquaremile.com | Desktop Performance Insights

Persquaremile.com | Mobile Performance Insights

Persquaremile.com | Competitors Analysis

Persquaremile.com | Common Typographical Errors