Thunderheadeng.com Homepage | Thunderhead Engineering

Website for Thunderhead Engineering Consultants, Inc.

Thunderheadeng.com Overview

Thunderheadeng.com belongs to AMAZON-02 - Amazon.com, Inc., US. Check the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

In terms of rank-to-traffic ratio, thunderheadeng.com has 1,503 unique users per day, viewing 3,037 pages. The rank based value of thunderheadeng.com is 2,333 USD. Every user makes 2.16 pageviews on average.

Thunderheadeng.com boasts a link base consisting of 223 referring domains and 233 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in September 05, 2024, thunderheadeng.com has an expired wildcard SSL certificate issued by Sectigo Limited (expired on January 20, 2025). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from Google Safe Browsing, Google Safe Search and Symantec thunderheadeng.com is a fairly safe domain.

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

Thunderheadeng.com Website Safety

Overview

Last Updated: 02/22/2025

Overall result - thunderheadeng.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: 02/19/2025

thunderheadeng.com is safe.

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

Google Safe Search

Last Updated: 01/01/2020

thunderheadeng.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

thunderheadeng.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: 02/17/2021

thunderheadeng.com is safe.

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

Web of Trust

Last Updated: 02/22/2025

thunderheadeng.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	*.thunderheadeng.com
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	12/21/2023
Expiration	01/20/2025
Signed	Certificate is not self signed
Additional Domains	*.thunderheadeng.com thunderheadeng.com

Thunderheadeng.com Rank History

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

Thunderheadeng.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

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

Last Update: 12/29/2024

#
# 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.
#

Thunderheadeng.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: THUNDERHEADENG.COM
Registry Domain ID: 7854034_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2018-03-26T14:43:41Z
Creation Date: 1999-07-09T03:53:28Z
Registry Expiry Date: 2023-07-09T03:53:28Z
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: NS-1171.AWSDNS-18.ORG
Name Server: NS-1609.AWSDNS-09.CO.UK
Name Server: NS-475.AWSDNS-59.COM
Name Server: NS-816.AWSDNS-38.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-08-31T18:34:33Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
thunderheadeng.com	35.202.181.166	14400

Host	MX Record	Priority	TTL
thunderheadeng.com	aspmx.l.google.com	10	14400
thunderheadeng.com	alt1.aspmx.l.google.com	20	14400
thunderheadeng.com	alt2.aspmx.l.google.com	20	14400
thunderheadeng.com	aspmx2.googlemail.com	30	14400
thunderheadeng.com	aspmx3.googlemail.com	30	14400
thunderheadeng.com	aspmx4.googlemail.com	30	14400
thunderheadeng.com	aspmx5.googlemail.com	30	14400

Host	NS Record	TTL
thunderheadeng.com	ns-1171.awsdns-18.org	172800
thunderheadeng.com	ns-1609.awsdns-09.co.uk	172800
thunderheadeng.com	ns-475.awsdns-59.com	172800
thunderheadeng.com	ns-816.awsdns-38.net	172800

Host	TXT Record	TTL
thunderheadeng.com	v=spf1 include:_spf.google.com include:spf.mailjet.com include:_spf.elasticemail.com ~all	14400

ns-816.awsdns-38.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Thunderheadeng.com HTML Check

HTML Validation Tool

Errors

Stray end tag “meta”.

Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.

Attribute “<!--” not allowed on element “meta” at this point.

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

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

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

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

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Attribute “pagespeed_no_defer” not allowed on element “script” at this point.

Attribute “pagespeed_url_hash” not allowed on element “img” at this point.

End tag “h3” seen, but there were open elements.

End tag “h4” seen, but there were open elements.

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

Warnings

Attribute “<!--” is not serializable as XML 1.0.

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

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

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

Thunderheadeng.com Desktop Performance

Last tested: 12/12/2015

Desktop Speed

78%

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

Enable compression

Leverage browser caching

Reduce server response time

Optimize images

Minify CSS

Minify JavaScript

Minify HTML

Desktop Resource Breakdown

Total Resources	44
Number of Hosts	11
Static Resources	37
JavaScript Resources	12
CSS Resources	10

Thunderheadeng.com Mobile Insights

Last tested: 12/12/2015

Mobile Usability

66%

Size content to viewport

Size tap targets appropriately

Mobile Speed

62%

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

Enable compression

Leverage browser caching

Reduce server response time

Optimize images

Minify CSS

Minify JavaScript

Minify HTML

Mobile Resource Breakdown

Total Resources	44
Number of Hosts	11
Static Resources	37
JavaScript Resources	12
CSS Resources	10

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Thunderheadeng.com Homepage | Thunderhead Engineering

Website for Thunderhead Engineering Consultants, Inc.

Thunderheadeng.com Overview

Thunderheadeng.com Website Safety

Thunderheadeng.com Rank History

Thunderheadeng.com Hosting Information

Thunderheadeng.com Domain Registration and Settings

Thunderheadeng.com HTML Check

Thunderheadeng.com Desktop Performance

Thunderheadeng.com Mobile Insights

Thunderheadeng.com Similar Audits

Thunderheadeng.com Common Typos