Sdsc.edu San Diego Supercomputer Center

Sdsc.edu Overview

Website Structure Overview:

SDSC.edu is a website that provides a browsing platform for college and university options around the world. As a user-friendly site with easy navigation, the site provides a one-stop guide for individuals seeking online courses, online degrees, and other academic programs in higher learning institutions.

The website is clean, simple, and effective. Its homepage is organized neatly, with a header menu providing easy access to different pages displaying various schools, universities, and programs. SDSC.edu caters to a range of individuals from students, parents, teachers, and different categories of people interested in education. The website provides quick access to information and resources on educational programs, online courses, certificates, and degree programs. The site can be narrowed down based on the user's location, the type of program desired, and the area of study.

One possible downside to the website is its PageSpeed Insights Scores. It has a score of 40 which seems a bit slow. This might affect the user experience of the website, especially for individuals using slow internet connections. The website can be improved by optimizing and compressing images, leveraging browser caching, and optimizing code to make it more performant, resulting in a better experience for the user.

SDSC.edu is hosted by SDSC-AS - San Diego Supercomputer Center, US hosting. The site has 1,726 unique users per day, 6,731.4 pageviews and a site value of $113,880 US Dollars. The site's Top-Level Domain (TLD) is .EDU, indicating it's under the US Higher Education Domain, often associated with academic institutions.

SDSC.edu seems to be family-friendly, given its target audience and educational nature. As such, it is created to be a safe and supportive environment that encourages learning and inquiry. Additionally, the site is user-friendly, ensuring ease of access to information for users, making it easy for any user to engage with the website.

In conclusion, SDSC.edu is an excellent website for anyone seeking information about where to study, take classes or pursue academic education online. The website provides straightforward navigation, useful and relevant information, a family-friendly environment, and accessible resources for all users. Improving its PageSpeed Insights Scores would drastically benefit the user experience, making it faster and more efficient, offering a much better overall experience when browsing the site.

Sdsc.edu Rank Summary

Global Rank

98,106

Average Load Time

1.49sec

Links In Count

2,562

Website Value

$113,994

Audience Geography. Where are sdsc.edu visitors located?

Country	Visitors
China CN	54%
United States US	15.5%
India IN	5.8%
Canada CA	1.3%
Nigeria NG	1.1%
Uzbekistan UZ	0.7%
Turkey TR	0.5%
Other	21.1%

Country	Pageviews
China CN	77.7%
United States US	4.7%
India IN	1.4%
Canada CA	0.9%
Uzbekistan UZ	0.8%
Nigeria NG	0.5%
Turkey TR	0.1%
Other	13.8%

Country	Rank
Uzbekistan UZ	12119
China CN	13590
Nigeria NG	34118
India IN	71570
Canada CA	81277
United States US	88364
Turkey TR	125327

Where do visitors go on sdsc.edu?

Subdomain	Pageviews
opentopo.sdsc.edu	86.86%
sdsc.edu	4%
lists.sdsc.edu	1.1%
users.sdsc.edu	1.02%
other	7.03%

Subdomain	Pageviews per User
opentopo.sdsc.edu	9
sdsc.edu	1.4
users.sdsc.edu	1
lists.sdsc.edu	1

Subdomain	Reach
opentopo.sdsc.edu	53.56%
sdsc.edu	15.25%
users.sdsc.edu	5.23%
lists.sdsc.edu	4.2%

How popular is sdsc.edu?

Period	Global Rank	Global Rank Delta
past 3 months	98106	-28602
past month	71981	-67542
past week	67851	-9584
yesterday	50221	-148859

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	86824	-50531	65	82%	3.9	50%
30	51901	-109724	12	320%	5.5	100%
7	38463	-29356	17	90%	8.1	90%
1	25820	-320293	29	2000%	10	900%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	109667	-20445	61	20%
30	86807	-53753	81	80%
7	89044	1057	8	-0.581%
1	69682	-94724	10	100%

Sdsc.edu Website Safety

Overview

Last Updated: 07/07/2024

Overall result - sdsc.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: 03/18/2024

sdsc.edu is safe.

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

Google Safe Search

Last Updated: 02/15/2019

sdsc.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

sdsc.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: 02/23/2021

sdsc.edu is safe.

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

Web of Trust

Last Updated: 01/10/2019

sdsc.edu child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	sdsc.edu
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	RSA-SHA256
Valid form	08/15/2017
Expiration	08/15/2018
Signed	Certificate is self signed
Additional Domains

Sdsc.edu Rank History

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

Sdsc.edu Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 195

ASN Title: SDSC-AS - San Diego Supercomputer Center, US

Last Update: 10/05/2023

#
# 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: 195
ASName: SDSC-AS
ASHandle: AS195
RegDate: 1988-05-25
Updated: 1998-10-29
Ref: https://rdap.arin.net/registry/autnum/195

OrgName: San Diego Supercomputer Center
OrgId: SDSC
Address: 9500 Gilman Drive
Address: MS-0505
City: La Jolla
StateProv: CA
PostalCode: 92093-0505
Country: US
RegDate:
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/SDSC

OrgTechHandle: TH60-ARIN
OrgTechName: Hutton, Thomas
OrgTechPhone: +1-858-534-5136
OrgTechEmail: hutton@sdslug.org
OrgTechRef: https://rdap.arin.net/registry/entity/TH60-ARIN

OrgTechHandle: DJR30-ARIN
OrgTechName: Ratcliffe, Daniel James
OrgTechPhone: +1-858-246-0517
OrgTechEmail: dratcliffe@sdsc.edu
OrgTechRef: https://rdap.arin.net/registry/entity/DJR30-ARIN

OrgTechHandle: HERMA36-ARIN
OrgTechName: Herman, Dan
OrgTechPhone: +1-585-747-7458
OrgTechEmail: diherman@sdsc.edu
OrgTechRef: https://rdap.arin.net/registry/entity/HERMA36-ARIN

OrgNOCHandle: TH60-ARIN
OrgNOCName: Hutton, Thomas
OrgNOCPhone: +1-858-534-5136
OrgNOCEmail: hutton@sdslug.org
OrgNOCRef: https://rdap.arin.net/registry/entity/TH60-ARIN

OrgNOCHandle: SDSCN-ARIN
OrgNOCName: SDSC NOC
OrgNOCPhone: +1-858-534-5090
OrgNOCEmail: noc@sdsc.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/SDSCN-ARIN

OrgAbuseHandle: SDSCH-ARIN
OrgAbuseName: SDSC Hostmaster
OrgAbusePhone: +1-858-534-5090
OrgAbuseEmail: hostmaster@sdsc.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/SDSCH-ARIN

RTechHandle: TH60-ARIN
RTechName: Hutton, Thomas
RTechPhone: +1-858-534-5136
RTechEmail: hutton@sdslug.org
RTechRef: https://rdap.arin.net/registry/entity/TH60-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.
#

Sdsc.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: SDSC.EDU

Registrant:
San Diego Supercomputer Center
University of California - San Diego
9500 Gilman Drive; MS-0505
La Jolla, CA 92093-0505
US

Administrative Contact:
Hostmaster Admin
San Diego Supercomputer Center @ UCSD
9500 Gilman Drive
MS-0505
La Jolla, CA 92093-0505
US
+1.8585345090
hostmaster@sdsc.edu

Technical Contact:
Thomas Hutton
San Diego Supercomputer Center @ UCSD
P.O. Box 128
Poway, CA 92074-0128
US
+1.8585345136
hutton@ucsd.edu

Name Servers:
NS1.SDSC.EDU
NS0.SDSC.EDU
NS1.UCSD.EDU
DNS2.ITD.UMICH.EDU

Domain record activated: 26-Mar-1987
Domain record last updated: 08-Jul-2019
Domain expires: 31-Jul-2022

DNS Records

DNS Lookup Tool

Host	A Record	TTL
sdsc.edu	132.249.21.111	14400

Host	MX Record	Priority	TTL
sdsc.edu	inbound.ucsd.edu	10	14400

Host	NS Record	TTL
sdsc.edu	ns1.sdsc.edu	172800
sdsc.edu	dns2.itd.umich.edu	172800
sdsc.edu	ns1.ucsd.edu	172800
sdsc.edu	ns0.sdsc.edu	172800

Host	TXT Record	TTL
sdsc.edu	v=spf1 ip4:132.239.0.0/23 ip4:132.249.20.0/25 include:spf-0016e101.pphosted.com include:mail.zendesk.com ?all	14400
sdsc.edu	MS=ms35925658	14400

ns0.sdsc.edu
TTL: 3600
Email address: hostmaster.sdsc.edu
Serial: 2019081600
Refresh: 3600
Retry: 1800
Expire: 604800
Minimum: 3600

Sdsc.edu HTML Check

HTML Validation Tool

Errors

Bad value “heading” for attribute “role” on element “header”.

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

Bad value “News Items/PR20171204_GB_Earthquake_Code.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Duplicate ID “slider-button”.

Bad value “News Items/PR20171113_hpcwire_awards.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “News Items/PR20171101_caida_dos.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “News Items/PR20171030_Sherlock.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

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

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

Unclosed element “ul”.

Warnings

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

The first occurrence of ID “slider-button” was here.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

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

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

Sdsc.edu Desktop Performance

Last tested: 06/25/2018

Desktop Speed

48%

Optimize images

Enable compression

Leverage browser caching

Minify JavaScript

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

Minify CSS

Desktop Resource Breakdown

Total Resources	51
Number of Hosts	9
Static Resources	41
JavaScript Resources	11
CSS Resources	5

Sdsc.edu Mobile Insights

Last tested: 06/25/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

40%

Optimize images

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

Enable compression

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	48
Number of Hosts	9
Static Resources	39
JavaScript Resources	11
CSS Resources	5

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Sdsc.edu San Diego Supercomputer Center

Sdsc.edu Overview

Sdsc.edu Rank Summary

Sdsc.edu Website Safety

Sdsc.edu Rank History

Sdsc.edu Hosting Information

Sdsc.edu Domain Registration and Settings

Sdsc.edu HTML Check

Sdsc.edu Desktop Performance

Sdsc.edu Mobile Insights

Sdsc.edu Similar Audits

Sdsc.edu Common Typos