Jefftk.com Jeff Kaufman

Jefftk.com Overview

Website Overview: jefftk.com

jefftk.com is the personal website and blog of Jeff Kaufman. With a name reflecting the author's initials, the site serves as a platform for Jeff Kaufman to share his thoughts and ideas with a wide audience. The website attracts an impressive number of visitors, with 15168 unique users per day and 75840 pageviews.

Hosted by Amazon.com, Inc., jefftk.com utilizes the infrastructure of Amazon Web Services (AWS) through its subsidiary, Amazon Elastic Compute Cloud (EC2), which provides reliable and scalable hosting solutions. This robust hosting ensures that the website remains accessible and performs optimally.

The website's domain, ".COM," signifies a commercial website primarily intended for commercial and business purposes. However, since jefftk.com is a personal site dedicated to Jeff Kaufman's own content, it may not have explicit commercial intentions. As such, it can be considered family-friendly, as long as the content itself remains appropriate for all ages.

Furthermore, jefftk.com has taken measures to ensure secure communication with visitors. The website employs SSL (Secure Sockets Layer) encryption, which is issued by Let's Encrypt. This certification ensures that communications between the site and its visitors remain private and encrypted, safeguarding sensitive information from potential threats.

In terms of performance, jefftk.com achieves a high-speed rating of 89 on Google's PageSpeed Insights. This metric indicates that the website loads quickly, enhancing user experience and reducing the likelihood of visitors leaving due to slow load times.

Additionally, jefftk.com boasts a considerable number of external backlinks, with 1041 being directed towards the site. These backlinks indicate that other websites find value in Jeff Kaufman's content and consider it authoritative and worth reference.

Moreover, the website has 887 referring domains, further indicating its influence and popularity among online platforms. These referring domains play a significant role in boosting the site's credibility and visibility, as they drive traffic from various sources.

Considering its impressive user numbers, robust hosting, SSL encryption, family-friendly content, high-speed rating, extensive backlinks, and referring domains, jefftk.com has established itself as a valuable online resource. With a site value of 114,000 US dollars, it demonstrates the importance and impact of Jeff Kaufman's contributions to the online community.

Jefftk.com Website Safety

Overview

Last Updated: 11/22/2024

Unknown status.

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: 02/13/2024

jefftk.com is safe.

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

Google Safe Search

Last Updated: 11/22/2024

Unknown status.

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

jefftk.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: 02/15/2021

jefftk.com is safe.

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

Web of Trust

Last Updated: 01/12/2019

jefftk.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	kingfisherband.com
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	10/01/2024
Expiration	12/30/2024
Signed	Certificate is not self signed
Additional Domains	annakaufmanwise.com annawise.net beantownstomp.com bidadance.org felixcumming.com freeraisins.com jefftk.com kingfisherband.com lilywise.com norawise.com trycontra.com www.annakaufmanwise.com www.annawise.net www.felixcumming.com www.freeraisins.com www.jefftk.com www.kingfisherband.com www.lilywise.com www.norawise.com

Jefftk.com Rank History

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

Jefftk.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14618

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

Last Update: 03/05/2024

#
# 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: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618

OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4

OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-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

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

RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-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.
#

Jefftk.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: JEFFTK.COM
Registry Domain ID: 1686525015_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2021-07-14T16:02:29Z
Creation Date: 2011-11-10T18:07:15Z
Registry Expiry Date: 2030-11-10T18:07:15Z
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: 2022-05-23T15:51:17Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
jefftk.com	163.172.164.150	1800

Host	MX Record	Priority	TTL
jefftk.com	eforward1.registrar-servers.com	10	1800
jefftk.com	eforward3.registrar-servers.com	10	1800
jefftk.com	eforward2.registrar-servers.com	10	1800
jefftk.com	eforward4.registrar-servers.com	15	1800
jefftk.com	eforward5.registrar-servers.com	20	1800

Host	NS Record	TTL
jefftk.com	dns1.registrar-servers.com	1800
jefftk.com	dns2.registrar-servers.com	1800

Host	TXT Record	TTL
jefftk.com	google-site-verification=ANlNnxVWYj4yFctAFLP_eRLL4dRyjGf_V_w6CyUydrE	1800

dns1.registrar-servers.com
TTL: 3601
Email address: hostmaster.registrar-servers.com
Serial: 2017080710
Refresh: 43200
Retry: 3600
Expire: 604800
Minimum: 3601

Jefftk.com HTML Check

HTML Validation Tool

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

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

A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.

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

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

Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.

Warnings

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

Jefftk.com Desktop Performance

Last tested: 02/14/2016

Desktop Speed

96%

Avoid landing page redirects

Leverage browser caching

Desktop Resource Breakdown

Total Resources	15
Number of Hosts	3
Static Resources	9
JavaScript Resources	1

Jefftk.com Mobile Insights

Last tested: 02/14/2016

Mobile Usability

81%

Configure the viewport

Size content to viewport

Size tap targets appropriately

Mobile Speed

89%

Avoid landing page redirects

Leverage browser caching

Mobile Resource Breakdown

Total Resources	16
Number of Hosts	3
Static Resources	9
JavaScript Resources	1

Jefftk.com Common Typos

www.jefftk.com
www.jefftk.net
www.jefftk.org
www.jefftk.info
www.jefftk.biz
www.jefftk.us
www.jefftk.mobi
www.efftk.com
www.jefftk.com
www.nefftk.com
www.jnefftk.com
www.njefftk.com
www.hefftk.com
www.jhefftk.com
www.hjefftk.com
www.uefftk.com
www.juefftk.com
www.ujefftk.com
www.iefftk.com
www.jiefftk.com
www.ijefftk.com
www.kefftk.com
www.jkefftk.com
www.kjefftk.com
www.mefftk.com
www.jmefftk.com
www.mjefftk.com
www.jfftk.com
www.jwfftk.com
www.jewfftk.com
www.jwefftk.com
www.jsfftk.com
www.jesfftk.com
www.jsefftk.com
www.jdfftk.com
www.jedfftk.com
www.jdefftk.com
www.jrfftk.com
www.jerfftk.com
www.jrefftk.com
www.jeftk.com
www.jecftk.com
www.jefcftk.com
www.jecfftk.com
www.jedftk.com
www.jefdftk.com
www.jerftk.com
www.jefrftk.com
www.jetftk.com
www.jeftftk.com
www.jetfftk.com
www.jegftk.com
www.jefgftk.com
www.jegfftk.com
www.jevftk.com
www.jefvftk.com
www.jevfftk.com
www.jefctk.com
www.jeffctk.com
www.jefdtk.com
www.jeffdtk.com
www.jefrtk.com
www.jeffrtk.com
www.jefttk.com
www.jeffttk.com
www.jefgtk.com
www.jeffgtk.com
www.jefvtk.com
www.jeffvtk.com
www.jeffk.com
www.jeffrk.com
www.jefftrk.com
www.jefffk.com
www.jefftfk.com
www.jeffftk.com
www.jeffgk.com
www.jefftgk.com
www.jeffyk.com
www.jefftyk.com
www.jeffytk.com
www.jefft.com
www.jefftj.com
www.jefftkj.com
www.jefftjk.com
www.jeffti.com
www.jefftki.com
www.jefftik.com
www.jefftm.com
www.jefftkm.com
www.jefftmk.com
www.jefftl.com
www.jefftkl.com
www.jefftlk.com
www.jeffto.com
www.jefftko.com
www.jefftok.com
www.jefftk.con

Jefftk.com Jeff Kaufman

Jefftk.com Overview

Jefftk.com Website Safety

Jefftk.com Rank History

Jefftk.com Hosting Information

Jefftk.com Domain Registration and Settings

Jefftk.com HTML Check

Jefftk.com Desktop Performance

Jefftk.com Mobile Insights

Jefftk.com Similar Audits

Jefftk.com Common Typos