Marknelson.us Mark Nelson | Books, articles, and posts from 1989 to today.

Articles primarily about data compression, C, C++, and algorithms, with illustrative source code.

Marknelson.us Overview

Marknelson.us ranking shows that the page is at position 7,477,163 over the world.

Marknelson.us hosting company servers are placed in the United States, but, unfortunately, it’s not possible to identify the countries where the bulk of marknelson.us users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.

In terms of rank-to-traffic ratio, marknelson.us has 99 unique users per day, viewing 98 pages. The rank based value of marknelson.us is 0 USD. Every user makes 1.08 pageviews on average.

Marknelson.us boasts a link base consisting of 343 referring domains and 403 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in September 27, 2024, marknelson.us has an expired wildcard SSL certificate issued by Let's Encrypt (expired on November 15, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust marknelson.us is a fairly safe domain.

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

Marknelson.us Rank Summary

Global Rank

7,477,163

Average Load Time

0.00sec

Links In Count

111

Website Value

Audience Geography. Where are marknelson.us visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on marknelson.us?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is marknelson.us?

Period	Global Rank	Global Rank Delta
past 3 months	7477163	5146917

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	7953556	4842236	0	-85.714%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	7051238	5070448	3	-85.714%

Marknelson.us Website Safety

Overview

Last Updated: 12/29/2024

Overall result - marknelson.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: 02/11/2024

marknelson.us is safe.

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

Google Safe Search

Last Updated: 03/15/2017

marknelson.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

marknelson.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: 02/15/2021

marknelson.us is safe.

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

Web of Trust

Last Updated: 01/12/2019

marknelson.us child safety is good.

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

SSL Information

SSL Checker Tool

Domain	*.marknelson.us
Issuer Organization	Let's Encrypt
Issuer	E6
Algorithm	ecdsa-with-SHA384
Valid form	08/17/2024
Expiration	11/15/2024
Signed	Certificate is not self signed
Additional Domains	*.marknelson.us marknelson.us

Marknelson.us Rank History

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

Marknelson.us Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

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

Last Update: 03/12/2024

#
# 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: 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.
#

Marknelson.us Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: marknelson.us
Registry Domain ID: D1773300-US
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2021-12-30T14:59:44Z
Creation Date: 2002-04-24T14:04:43Z
Registry Expiry Date: 2023-04-23T23:59:59Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: C60F426B6307841939281DB09C415ADE1-NSR
Registrant Name: Mark Nelson
Registrant Organization: Mark Nelson
Registrant Street: 806 Transom View Way
Registrant Street:
Registrant Street:
Registrant City: Cary
Registrant State/Province: NC
Registrant Postal Code: 27519
Registrant Country: US
Registrant Phone: +1.9725962025
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: markn@ieee.org
Registrant Application Purpose: P3
Registrant Nexus Category: C11
Registry Admin ID: C3C10790370414206A6CCA5BF8A13DD23-NSR
Admin Name: Mark Nelson
Admin Organization: Mark Nelson
Admin Street: 806 Transom View Way
Admin Street:
Admin Street:
Admin City: Cary
Admin State/Province: NC
Admin Postal Code: 27519
Admin Country: US
Admin Phone: +1.9725962025
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: markn@ieee.org
Registry Tech ID: CF0431ACB0C3F4902B8CFB28F04498F5C-NSR
Tech Name: Mark Nelson
Tech Organization: Mark Nelson
Tech Street: 806 Transom View Way
Tech Street:
Tech Street:
Tech City: Cary
Tech State/Province: NC
Tech Postal Code: 27519
Tech Country: US
Tech Phone: +1.9725962025
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: markn@ieee.org
Name Server: dns1.p03.nsone.net
Name Server: dns2.p03.nsone.net
Name Server: dns3.p03.nsone.net
Name Server: dns4.p03.nsone.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-11-27T13:24:03Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
marknelson.us	208.113.168.213	14400

Host	MX Record	Priority	TTL
marknelson.us	mx1.dreamhost.com	0	14400
marknelson.us	mx2.dreamhost.com	0	14400

Host	NS Record	TTL
marknelson.us	ns2.dreamhost.com	14400
marknelson.us	ns3.dreamhost.com	14400
marknelson.us	ns1.dreamhost.com	14400

Host	TXT Record	TTL
marknelson.us	v=spf1 mx include:netblocks.dreamhost.com include:spf1.mailchannels.net include:spf2.mailchannels.net -all	14400

ns1.dreamhost.com
TTL: 14400
Email address: hostmaster.dreamhost.com
Serial: 2019090103
Refresh: 21424
Retry: 1800
Expire: 1814400
Minimum: 14400

Marknelson.us HTML Check

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Element “title” must not be empty.

Bad value “archives” for attribute “rel” on element “link”: The string “archives” is not a registered keyword.

Attribute “addthis:url” not allowed on element “div” at this point.

Attribute “addthis:title” not allowed on element “div” at this point.

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

No space between attributes.

The “align” attribute on the “img” 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 “33%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Bad value “33%” for attribute “height” on element “img”: Expected a digit but saw “%” instead.

The “center” element is obsolete. Use CSS instead.

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

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

Warnings

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

Attribute “addthis:url” is not serializable as XML 1.0.

Attribute “addthis:title” is not serializable as XML 1.0.

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

Marknelson.us Desktop Performance

Last tested: 02/20/2019

Desktop Speed

94%

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

Leverage browser caching

Enable compression

Minify HTML

Desktop Resource Breakdown

Total Resources	6
Number of Hosts	3
Static Resources	3
JavaScript Resources	2
CSS Resources	1

Marknelson.us Mobile Insights

Last tested: 02/20/2019

Mobile Usability

100%

Mobile Speed

88%

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

Leverage browser caching

Enable compression

Minify HTML

Mobile Resource Breakdown

Total Resources	6
Number of Hosts	3
Static Resources	3
JavaScript Resources	2
CSS Resources	1

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Marknelson.us Mark Nelson | Books, articles, and posts from 1989 to today.

Articles primarily about data compression, C, C++, and algorithms, with illustrative source code.

Marknelson.us Overview

Marknelson.us Rank Summary

Marknelson.us Website Safety

Marknelson.us Rank History

Marknelson.us Hosting Information

Marknelson.us Domain Registration and Settings

Marknelson.us HTML Check

Marknelson.us Desktop Performance

Marknelson.us Mobile Insights

Marknelson.us Similar Audits

Marknelson.us Common Typos