Lef.org Vitamins and Supplements Rooted in Science - Life Extension

Get clinically-studied, premium vitamins and supplements and lab tests from the people who’ve spent 40 years passionately pursuing healthy living.

Lef.org Overview

/100

Mobile 70/100

When first opening the site, a clean and sleek layout greets the visitor. The homepage is well organized with the main navigation displayed horizontally at the top, and well-spaced image links below that lead the user to specific sections of the site such as products, sale items and other resources. There is also a large search bar that allows users to search for specific products or information.

Additionally, there is a shopping cart icon in the top right corner and links to customer service and the user account area.

The product pages are well crafted with ample information on each product, including images, ingredients, dosages, and a detailed description of its uses and benefits. There is also a "related products" section at the bottom that suggests other products of interest based on what the user is currently viewing.

There is also an FAQ section, which provides detailed information about the company, products, payment options, and shipping information.

One of the most impressive aspects of the site is the "Health Protocols" tab, which lists various health concerns and the appropriate supplements and lifestyle changes recommended to improve or prevent these concerns. The page includes links to scientific studies and detailed explanations of how to use the recommended supplements.

The "Resources" section links to educational articles, videos, and webinars, and the "Magazine" section provides articles covering various health concerns and tips on how to improve overall health.

The "Sale" section is prominently displayed on the homepage and provides discounted items for users who are looking for a deal, and there is also a membership program that users can join for additional discounts.

Overall, the site is well-structured and well-organized, providing an easy-to-use interface with detailed product information, resources, and educational content for both established as well as potential customers. The site is easy to navigate, and the well-placed header and footer sections provide users with all the information they might need at their fingertips. The site is family-friendly and suitable for all users looking to improve their health. However, as per the PageSpeed Insights scores, the site speed needs some improvement to enhance the user's experience and improve the overall site rating.

Lef.org Rank Summary

Global Rank

3,216,833

Average Load Time

2.07sec

Links In Count

2,475

Website Value

$2,920

Audience Geography. Where are lef.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on lef.org?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is lef.org?

Period	Global Rank	Global Rank Delta
past 3 months	3216833	-1730969

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	4209093	-2469343	0	100%	1	30%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2835588	-1436793	1	70%

Lef.org Website Safety

Overview

Last Updated: 02/17/2025

Overall result - lef.org 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: 03/18/2024

lef.org is safe.

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

Google Safe Search

Last Updated: 02/07/2019

lef.org 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

lef.org 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

lef.org is safe.

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

Web of Trust

Last Updated: 01/09/2019

lef.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.dnsmadeeasy.com
Issuer Organization	DigiCert Inc
Issuer	GeoTrust TLS RSA CA G1
Algorithm	RSA-SHA256
Valid form	03/21/2024
Expiration	04/21/2025
Signed	Certificate is not self signed
Additional Domains	*.dnsmadeeasy.com

Lef.org Rank History

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

Lef.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16552

ASN Title: TIGGEE - Tiggee LLC, 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
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16552
ASName: TIGGEE
ASHandle: AS16552
RegDate: 2007-07-18
Updated: 2012-03-20
Comment: http://www.tiggee.com Standard NOC hours are 8am to 8pm EST
Ref: https://rdap.arin.net/registry/autnum/16552

OrgName: Tiggee LLC
OrgId: TIGGE
Address: 11490 Commerce Park Drive, Suite 140
City: Reston
StateProv: VA
PostalCode: 20191
Country: US
RegDate: 2004-09-09
Updated: 2011-07-27
Ref: https://rdap.arin.net/registry/entity/TIGGE

OrgTechHandle: TECH140-ARIN
OrgTechName: Tech
OrgTechPhone: +1-703-935-1598
OrgTechEmail: tech@tiggee.com
OrgTechRef: https://rdap.arin.net/registry/entity/TECH140-ARIN

OrgAbuseHandle: ABUSE699-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-703-935-1598
OrgAbuseEmail: abuse@tiggee.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE699-ARIN

RAbuseHandle: ABUSE699-ARIN
RAbuseName: Abuse
RAbusePhone: +1-703-935-1598
RAbuseEmail: abuse@tiggee.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE699-ARIN

RNOCHandle: NOC2652-ARIN
RNOCName: NOC
RNOCPhone: +1-703-935-1598
RNOCEmail: noc@tiggee.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC2652-ARIN

RTechHandle: TECH140-ARIN
RTechName: Tech
RTechPhone: +1-703-935-1598
RTechEmail: tech@tiggee.com
RTechRef: https://rdap.arin.net/registry/entity/TECH140-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.
#

Lef.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: lef.org
Registry Domain ID: a81f723023cc4739ac8442e0f4aa8cb7-LROR
Registrar WHOIS Server: http://whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2024-07-11T05:03:18Z
Creation Date: 1995-10-13T04:00:00Z
Registry Expiry Date: 2024-10-12T04:00:00Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns0.dnsmadeeasy.com
Name Server: ns1.dnsmadeeasy.com
Name Server: ns2.dnsmadeeasy.com
Name Server: ns3.dnsmadeeasy.com
Name Server: ns4.dnsmadeeasy.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-10T21:26:31Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
lef.org	96.45.82.73	6000
lef.org	96.45.83.147	6000
lef.org	96.45.83.9	6000
lef.org	96.45.82.148	6000

Host	MX Record	Priority	TTL
lef.org	smtp.lef.org	10	6000

Host	NS Record	TTL
lef.org	ns2.dnsmadeeasy.com	86400
lef.org	ns3.dnsmadeeasy.com	86400
lef.org	ns4.dnsmadeeasy.com	86400
lef.org	ns0.dnsmadeeasy.com	86400
lef.org	ns1.dnsmadeeasy.com	86400

Host	TXT Record	TTL
lef.org	MS=ms11046105	1800
lef.org	uRlD05B3sKGuOqVicER3RYlgVijjecozmSDdbh64KaoW9POixJtL+ZdbKYkKKHgCNkBr5hZZ4ln+TwXMXUpsxw==	1800
lef.org	v=spf1 include:spf.protection.outlook.com ip4:204.2.245.204 ip4:204.2.245.5 ip4:216.83.175.60 ip4:64.48.219.230 ip4:64.48.219.229 ip4:64.48.219.228 ip4:64.48.219.231 a:o1.mail.keystoneondemand.com -all	1800
lef.org	google-site-verification=6om_WHenZdM-a_f_YB3LomAHkUypWYgqMb9IXWb3rGQ	1800

ns0.dnsmadeeasy.com
TTL: 86400
Email address: dns.dnsmadeeasy.com
Serial: 2008010783
Refresh: 43200
Retry: 3600
Expire: 1209600
Minimum: 180

Lef.org HTML Check

HTML Validation Tool

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

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

Element “meta” is missing one or more of the following attributes: “content”, “property”.

“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.

Bad start tag in “img” in “head”.

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

Stray end tag “noscript”.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

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

No “p” element in scope but a “p” end tag seen.

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

The “align” attribute on the “p” element is obsolete. Use CSS instead.

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

Bad value “” for attribute “src” on element “iframe”: Must be non-empty.

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

Bad value “” for attribute “srcset” on element “source”: Must contain one or more image candidate strings.

Element “picture” is missing a required instance of child element “img”.

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

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

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

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

Duplicate attribute “type”.

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

The “aria-labelledby” attribute must point to an element in the same document.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

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

The “type” attribute for the “style” element is not needed and should be omitted.

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

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

Lef.org Desktop Performance

Last tested: 12/06/2019

Desktop Speed

73%

Avoid landing page redirects

Reduce server response time

Leverage browser caching

Enable compression

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

Minify JavaScript

Optimize images

Desktop Resource Breakdown

Total Resources	119
Number of Hosts	31
Static Resources	82
JavaScript Resources	59
CSS Resources	14

Lef.org Mobile Insights

Last tested: 05/31/2017

Mobile Usability

96%

Size tap targets appropriately

Mobile Speed

65%

Avoid landing page redirects

Leverage browser caching

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

Optimize images

Reduce server response time

Enable compression

Minify HTML

Minify JavaScript

Mobile Resource Breakdown

Total Resources	215
Number of Hosts	75
Static Resources	100
JavaScript Resources	45
CSS Resources	5

Lef.org Common Typos

www.lef.com
www.lef.net
www.lef.org
www.lef.info
www.lef.biz
www.lef.us
www.lef.mobi
www.ef.org
www.lef.org
www.pef.org
www.lpef.org
www.plef.org
www.oef.org
www.loef.org
www.olef.org
www.kef.org
www.lkef.org
www.klef.org
www.lf.org
www.lwf.org
www.lewf.org
www.lwef.org
www.lsf.org
www.lesf.org
www.lsef.org
www.ldf.org
www.ledf.org
www.ldef.org
www.lrf.org
www.lerf.org
www.lref.org
www.le.org
www.lec.org
www.lefc.org
www.lecf.org
www.led.org
www.lefd.org
www.ler.org
www.lefr.org
www.let.org
www.left.org
www.letf.org
www.leg.org
www.lefg.org
www.legf.org
www.lev.org
www.lefv.org
www.levf.org

Lef.org Vitamins and Supplements Rooted in Science - Life Extension

Get clinically-studied, premium vitamins and supplements and lab tests from the people who’ve spent 40 years passionately pursuing healthy living.

Lef.org Overview

Lef.org Rank Summary

Lef.org Website Safety

Lef.org Rank History

Lef.org Hosting Information

Lef.org Domain Registration and Settings

Lef.org HTML Check

Lef.org Desktop Performance

Lef.org Mobile Insights

Lef.org Similar Audits

Lef.org Common Typos