Psi.edu Planetary Science Institute | A Nonprofit 501(c)(3) Corporation

Celebrating 50 years Our team of renowned scientists is involved in numerous NASA and international space missions, studying the solar system and beyo...

Psi.edu Overview

out of 100, User Experience 71 out of 100

Security Status: Secure

Site Age: Over a decade

Psi.edu is the official website for the Planetary Science Institute, a non-profit organization whose goal is to promote and foster research and education in planetary science. The website has been in existence for over a decade, and as of current statistics, the site receives 684 unique users per day with 684 page views. The site's worth is calculated to be around 5840 US dollars.

From the homepage, one is greeted by a stylish and modern design that is aesthetically pleasing. The color scheme is mostly comprised of blue shades and imagery of space exploration. The site offers an excellent navigation menu located at the top, providing quick access to various sections of the site, including About, Research, Education, Facilities, and Careers.

In terms of architecture, psi.edu has several pages containing significant information about the institute, including research activities, news, events, and scientific publications. The primary purpose of the website is to promote planetary science with a focus on studying the Solar System's celestial bodies, including comets, planets, and asteroids.

The site also regularly publishes articles and news updates in a blog section, providing valuable insights into the foundation's activities that keep the audience engaged with the institute. In addition, the site has a sophisticated search function making it easy to access specific content of interest.

The website has a speed score of 46 out of 100, which suggests that some optimization can be done. The User Experience score is 71 out of 100, indicating that the website is user-friendly and easy to navigate. The lack of optimization may be a factor reducing the search engine ranking of the site, which can affect the number of visitors the site receives in the long run.

With regards to security, the site has a secure connection and displays a security padlock in the browser's address bar. This indicates that the website uses an SSL certificate to encrypt data between the server and browser. Furthermore, Psi.edu has top-level domain .EDU, indicating that it is a site belonging to an educational institution. If you are looking for educational sites that you and your family can trust, it is safe to presume that psi.edu is family-friendly.

Lastly, Psi.edu is hosted by LOGIN - Login, Inc., a US hosting company that provides secure hosting solutions. The hosting provider ensures that the site has reliable and uninterrupted uptime, which is crucial for a site providing valuable

Psi.edu Rank Summary

Global Rank

1,010,112

Average Load Time

0.34sec

Links In Count

547

Website Value

$5,846

Audience Geography. Where are psi.edu visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on psi.edu?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is psi.edu?

Period	Global Rank	Global Rank Delta
past 3 months	1010112	367759
past month	1236486	169756
past week	943508	162944

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1400308	747876	2	-64.372%	1	-53.597%
30	1682080	300877	1	-22.87%	1	-15.97%
7	1188076	142155	2	-23.14%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	885572	206186	48	-23.6%
30	1047286	94973	5	-8.295%
7	815325	143192	7	-23.14%

Psi.edu Website Safety

Overview

Last Updated: 12/26/2024

Overall result - psi.edu 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: 02/10/2024

psi.edu is safe.

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

Google Safe Search

Last Updated: 03/03/2019

psi.edu 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

psi.edu 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: 02/14/2021

psi.edu is safe.

McAfee assesses psi.edu 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 psi.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

psi.edu child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.psi.edu
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	02/27/2023
Expiration	03/29/2024
Signed	Certificate is not self signed
Additional Domains	*.psi.edu psi.edu

Psi.edu Rank History

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

Psi.edu Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/31/2024

#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Psi.edu Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: PSI.EDU

Registrant:
Planetary Science Institute
1700 East Ft Lowell Road, Suite 106
Tucson, AZ 85719
USA

Administrative Contact:
Annie Wilson
Planetary Science Institute
1700 East Ft Lowell Road, Suite 106
Tucson, AZ 85719
USA
+1.5206226300
awilson@psi.edu

Technical Contact:
Annie Wilson
Planetary Science Institute
1700 East Ft Lowell Road, Suite 106
Tucson, AZ 85719
USA
+1.5206226300
support@psi.edu

Name Servers:
PRANAB.NS.CLOUDFLARE.COM
ANASTASIA.NS.CLOUDFLARE.COM

Domain record activated: 29-Apr-1992
Domain record last updated: 20-Sep-2023
Domain expires: 31-Jul-2026

DNS Records

DNS Lookup Tool

Host	A Record	TTL
psi.edu	204.17.61.106	86400

Host	MX Record	Priority	TTL
psi.edu	ASPMX.L.GOOGLE.COM	10	86400
psi.edu	ALT1.ASPMX.L.GOOGLE.COM	20	86400
psi.edu	ASPMX3.GOOGLEMAIL.COM	50	86400
psi.edu	ASPMX2.GOOGLEMAIL.COM	40	86400
psi.edu	ALT2.ASPMX.L.GOOGLE.COM	30	86400

Host	NS Record	TTL
psi.edu	dns3.login.com	86400
psi.edu	dns1.login.com	86400

Host	TXT Record	TTL
psi.edu	v=spf1 ip4:204.17.61.104 include:_spf.google.com ~all	300
psi.edu	MS=ms53177145	3600

psi.edu
TTL: 86400
Email address: tmichotte.psi.edu
Serial: 2019070900
Refresh: 300
Retry: 3600
Expire: 604800
Minimum: 86400

Psi.edu HTML Check

HTML Validation Tool

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

Attribute “xmlns:fb” not allowed here.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

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.

Stray end tag “span”.

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

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

Attribute “about” not allowed on element “div” at this point.

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

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

The hash-name reference in attribute “usemap” referred to “Image-Maps_1201209131733308”, but there is no “map” element with a “name” attribute with that value.

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

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

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

Psi.edu Desktop Performance

Last tested: 07/01/2019

Desktop Speed

42%

Optimize images

Enable compression

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

Minify JavaScript

Minify CSS

Leverage browser caching

Desktop Resource Breakdown

Total Resources	72
Number of Hosts	5
Static Resources	69
JavaScript Resources	30
CSS Resources	21

Psi.edu Mobile Insights

Last tested: 11/29/2017

Mobile Usability

64%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Mobile Speed

46%

Optimize images

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

Minify JavaScript

Leverage browser caching

Mobile Resource Breakdown

Total Resources	33
Number of Hosts	6
Static Resources	30
JavaScript Resources	11
CSS Resources	4

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www.psoi.edu

Psi.edu Planetary Science Institute | A Nonprofit 501(c)(3) Corporation

Celebrating 50 years Our team of renowned scientists is involved in numerous NASA and international space missions, studying the solar system and beyo...

Psi.edu Overview

Psi.edu Rank Summary

Psi.edu Website Safety

Psi.edu Rank History

Psi.edu Hosting Information

Psi.edu Domain Registration and Settings

Psi.edu HTML Check

Psi.edu Desktop Performance

Psi.edu Mobile Insights

Psi.edu Similar Audits

Psi.edu Common Typos