Hdmaster.com D&S - Headmaster - Home Page

CNA Testing Solutions, Nurse Aide Practice exams ,Electronic Testing, School Software, Hardware, Computer Sales and Service,Web Data Hosting

Hdmaster.com Overview

Hdmaster.com ranking shows that the page is at position 1,156,450 over the world.

Hdmaster.com hosting company servers are placed in the United States, but, unfortunately, it’s not possible to identify the countries where the bulk of hdmaster.com 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 LINODE-AP Linode, LLC, US servers.

In terms of rank-to-traffic ratio, hdmaster.com has 422 unique users per day, viewing 639 pages. The rank based value of hdmaster.com is 6,314 USD. Every user makes 1.61 pageviews on average.

Hdmaster.com boasts a link base consisting of 269 referring domains and 308 external backlinks, as revealed by the data obtained from web network scanning.

Hdmaster.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in July 17, 2024, hdmaster.com has a valid and up-to-date SSL certificate issued by Let's Encrypt , certificate expiration date: September 21, 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 hdmaster.com is a fairly safe domain.

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

Hdmaster.com Rank Summary

Global Rank

1,156,450

Average Load Time

0.93sec

Links In Count

Website Value

$5,846

Audience Geography. Where are hdmaster.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on hdmaster.com?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is hdmaster.com?

Period	Global Rank	Global Rank Delta
past 3 months	1156450	-247629
past month	3134277	2123645
past week	1215747	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1515544	-222248	2	30%	1.5	-10.18%
30	3553116	2266866	0	-84.247%	1	-36.71%
7	1413163	0	1	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1056480	-267274	37	40%
30	2801449	1858019	1	-75.135%
7	1084284	0	5	0%

Hdmaster.com Website Safety

Overview

Last Updated: 09/18/2024

Overall result - hdmaster.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: 02/18/2024

hdmaster.com is safe.

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

Google Safe Search

Last Updated: 05/28/2019

hdmaster.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

hdmaster.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

hdmaster.com is safe.

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

Web of Trust

Last Updated: 01/12/2019

hdmaster.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	dtcomputers.net
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	06/23/2024
Expiration	09/21/2024
Signed	Certificate is not self signed
Additional Domains	dtcomputers.net hdmaster.com www.dtcomputers.net www.hdmaster.com

Hdmaster.com Rank History

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

Hdmaster.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 63949

ASN Title: LINODE-AP Linode, LLC, US

Last Update: 01/16/2024

#
# 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: 63488 - 64197
ASName: IANA-RSVD
ASHandle: AS63488
RegDate: 2013-06-07
Updated: 2013-06-07
Ref: https://rdap.arin.net/registry/autnum/63488

OrgName: Internet Assigned Numbers Authority
OrgId: IANA
Address: 12025 Waterfront Drive
Address: Suite 300
City: Los Angeles
StateProv: CA
PostalCode: 90292
Country: US
RegDate:
Updated: 2012-08-31
Ref: https://rdap.arin.net/registry/entity/IANA

OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: ICANN
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: abuse@iana.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN

OrgTechHandle: IANA-IP-ARIN
OrgTechName: ICANN
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org
OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-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.
#

Hdmaster.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: HDMASTER.COM
Registry Domain ID: 687213_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2020-03-27T20:50:08Z
Creation Date: 1997-12-15T05:00:00Z
Registry Expiry Date: 2022-12-14T05:00:00Z
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
Name Server: NS55.WORLDNIC.COM
Name Server: NS56.WORLDNIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-01-03T07:07:36Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
hdmaster.com	45.56.77.64	3600

Host	MX Record	Priority	TTL
hdmaster.com	alt4.aspmx.l.google.com	10	3600
hdmaster.com	aspmx.l.google.com	1	3600
hdmaster.com	alt3.aspmx.l.google.com	10	3600
hdmaster.com	alt2.aspmx.l.google.com	5	3600
hdmaster.com	alt1.aspmx.l.google.com	5	3600

Host	NS Record	TTL
hdmaster.com	ns56.worldnic.com	7200
hdmaster.com	ns55.worldnic.com	7200

Host	TXT Record	TTL
hdmaster.com	v=spf1 mx include:_spf.google.com ip4:206.127.112.196/32 -all	7200

ns55.worldnic.com
TTL: 7200
Email address: namehost.WORLDNIC.com
Serial: 120042416
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Hdmaster.com HTML Check

HTML Validation Tool

Errors

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

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

Attribute “topmargin” not allowed on element “body” at this point.

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

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

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

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

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

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

The “align” attribute on the “p” 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.

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

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

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

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

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

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

Warnings

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

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

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

Hdmaster.com Desktop Performance

Last tested: 09/09/2019

Desktop Speed

90%

Leverage browser caching

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

Optimize images

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	9
Number of Hosts	1
Static Resources	8
CSS Resources	2

Hdmaster.com Mobile Insights

Last tested: 12/05/2019

Mobile Usability

61%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

80%

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

Leverage browser caching

Optimize images

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	9
Number of Hosts	1
Static Resources	8
CSS Resources	2

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Hdmaster.com D&S - Headmaster - Home Page

CNA Testing Solutions, Nurse Aide Practice exams ,Electronic Testing, School Software, Hardware, Computer Sales and Service,Web Data Hosting

Hdmaster.com Overview

Hdmaster.com Rank Summary

Hdmaster.com Website Safety

Hdmaster.com Rank History

Hdmaster.com Hosting Information

Hdmaster.com Domain Registration and Settings

Hdmaster.com HTML Check

Hdmaster.com Desktop Performance

Hdmaster.com Mobile Insights

Hdmaster.com Similar Audits

Hdmaster.com Common Typos