Astronomynotes.com Astronomy Notes

Astronomynotes.com Overview

Astronomynotes.com is a website dedicated to providing educational content related to astronomy. As the name suggests, it serves as a valuable resource for anyone interested in learning more about the fascinating field of astronomy. In this website overview, we will delve into its structure and important features.

With an impressive number of 1026 unique users per day and 1231.2 pageviews, Astronomynotes.com has a strong user base that consistently seeks its content. This high level of traffic indicates the website's popularity and relevance in the field of astronomy.

The website is hosted by Unified Layer, which is a renowned hosting provider based in the United States. Their reliable infrastructure ensures a seamless and uninterrupted user experience while browsing the site.

Astronomynotes.com has a top-level domain of .COM, which is a common choice for commercial websites. Although the website primarily serves educational purposes, this generic domain suggests that the site may also have some commercial aspects to it. However, without exploring the site content in detail, it is difficult to determine the exact nature of any potential commercial activities.

To ensure secure communication between the users and the website, Astronomynotes.com has an SSL certificate issued by Sectigo Limited. This certificate authenticates the identity of the website and encrypts data transmitted between the user's browser and the site's server. As a result, users can browse the site with confidence, knowing that their information is safe and secure.

In terms of its content, Astronomynotes.com is primarily focused on delivering educational material related to astronomy. The website aims to provide comprehensive notes, explanations, and resources for a wide range of astronomical topics. Whether it's exploring the solar system, studying the stars and galaxies, or understanding the fundamental principles of astronomy, visitors can find a wealth of information on this site.

Considering its educational nature and purpose, Astronomynotes.com is generally regarded as family-friendly. The content is suitable for all ages and can be a valuable learning resource for students, educators, and astronomy enthusiasts.

An important aspect of any website is its loading speed. According to the PageSpeed Insights scores, Astronomynotes.com boasts an impressive speed score of 97. This indicates that the website is optimized for quick loading and provides an efficient user experience. The fast loading times contribute to a positive user experience and encourage visitors to spend more time exploring the site's content.

In conclusion, Astronomynotes.com is a well-structured website that offers educational content about

Astronomynotes.com Rank Summary

Global Rank

559,337

Average Load Time

0.22sec

Links In Count

495

Website Value

$11,692

Audience Geography. Where are astronomynotes.com visitors located?

Country	Visitors
United States US	73.4%
Other	26.8%

Country	Pageviews
United States US	69.8%
Other	30.3%

Country	Rank
United States US	109577

Where do visitors go on astronomynotes.com?

Subdomain	Pageviews
astronomynotes.com	100%

Subdomain	Pageviews per User
astronomynotes.com	1

Subdomain	Reach
astronomynotes.com	100%

How popular is astronomynotes.com?

Period	Global Rank	Global Rank Delta
past 3 months	559337	284172
past month	366012	-742978
past week	194246	-720724
yesterday	333398	257434

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	843201	432464	3	-59.87%	1.2	-10.87%
30	559258	-737752	6	300%	1	-13.51%
7	332134	-832368	1	600%	1	10%
1	418796	303183	8	-83.195%	1	-24.81%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	470817	231309	11	-54.9%
30	309654	-732040	19	300%
7	156376	-631219	5	500%
1	290717	222747	3	-77.594%

Astronomynotes.com Website Safety

Overview

Last Updated: 01/25/2026

Overall result - astronomynotes.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: 03/28/2025

astronomynotes.com is safe.

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

Google Safe Search

Last Updated: 03/04/2019

astronomynotes.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

astronomynotes.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: 02/27/2021

astronomynotes.com is safe.

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

Web of Trust

Last Updated: 01/10/2019

astronomynotes.com child safety is good.

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

SSL Information

SSL Checker Tool

Domain	astronomynotes.com
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	05/05/2024
Expiration	05/20/2025
Signed	Certificate is not self signed
Additional Domains	astronomynotes.com www.astronomynotes.com

Astronomynotes.com Rank History

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

Astronomynotes.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 31898

ASN Title: ORACLE-BMC-31898 - Oracle Corporation, US

Last Update: 12/25/2025

#
# 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: 31898
ASName: ORACLE-BMC-31898
ASHandle: AS31898
RegDate: 2011-03-21
Updated: 2017-05-18
Ref: https://rdap.arin.net/registry/autnum/31898

OrgName: Oracle Corporation
OrgId: ORACLE-4
Address: 500 Oracle Parkway
Address: Attn: Domain Administrator
City: Redwood Shores
StateProv: CA
PostalCode: 94065
Country: US
RegDate: 1988-04-28
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/ORACLE-4

OrgTechHandle: ORACL1-ARIN
OrgTechName: ORACLE NIS
OrgTechPhone: +1-650-506-2220
OrgTechEmail: domain-contact_ww_grp@oracle.com
OrgTechRef: https://rdap.arin.net/registry/entity/ORACL1-ARIN

OrgAbuseHandle: NISAM-ARIN
OrgAbuseName: Network Information Systems Abuse Management
OrgAbusePhone: +1-650-506-2220
OrgAbuseEmail: network-contact_ww_grp@oracle.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NISAM-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.
#

Astronomynotes.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: ASTRONOMYNOTES.COM
Registry Domain ID: 30660433_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.fastdomain.com
Registrar URL: http://www.fastdomain.com
Updated Date: 2024-06-15T06:57:20Z
Creation Date: 2000-06-30T20:01:11Z
Registry Expiry Date: 2025-06-30T20:01:11Z
Registrar: FastDomain Inc.
Registrar IANA ID: 1154
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.BLUEHOST.COM
Name Server: NS2.BLUEHOST.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-21T08:58:02Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
astronomynotes.com	216.172.169.178	14400

Host	MX Record	Priority	TTL
astronomynotes.com	mail.astronomynotes.com	0	14400

Host	NS Record	TTL
astronomynotes.com	ns1.bluehost.com	86400
astronomynotes.com	ns2.bluehost.com	86400

Host	TXT Record	TTL
astronomynotes.com	v=spf1 a mx ptr include:bluehost.com ?all	14400

ns1.bluehost.com
TTL: 86400
Email address: dnsadmin.box6007.bluehost.com
Serial: 2018052212
Refresh: 86400
Retry: 7200
Expire: 3600000
Minimum: 300

Astronomynotes.com HTML Check

HTML Validation Tool

Errors

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

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

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

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

The “text” attribute on the “body” element is obsolete. Use CSS instead.

The “align” attribute on the “h1” element is obsolete. Use CSS instead.

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

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

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

Warnings

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

Element name “gcse:search” cannot be represented as XML 1.0.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

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

Astronomynotes.com Desktop Performance

Last tested: 01/03/2019

Desktop Speed

97%

Leverage browser caching

Optimize images

Minify CSS

Desktop Resource Breakdown

Total Resources	13
Number of Hosts	5
Static Resources	8
JavaScript Resources	3
CSS Resources	2

Astronomynotes.com Mobile Insights

Last tested: 01/03/2019

Mobile Usability

66%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

97%

Leverage browser caching

Optimize images

Minify CSS

Mobile Resource Breakdown

Total Resources	13
Number of Hosts	5
Static Resources	8
JavaScript Resources	3
CSS Resources	2

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Astronomynotes.com Astronomy Notes

Astronomynotes.com Overview

Astronomynotes.com Rank Summary

Astronomynotes.com Website Safety

Astronomynotes.com Rank History

Astronomynotes.com Hosting Information

Astronomynotes.com Domain Registration and Settings

Astronomynotes.com HTML Check

Astronomynotes.com Desktop Performance

Astronomynotes.com Mobile Insights

Astronomynotes.com Similar Audits

Astronomynotes.com Common Typos