Sdss.org Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy - SDSS-V

The Sloan Digital Sky Survey-V (SDSS-V) is the first facility providing multi-epoch optical & IR spectroscopy across the entire sky, as well as offeri...

Sdss.org Overview

SDSS.org is a website that has been developed by a team of researchers and scientists associated with some of the world's leading academic organizations, including Johns Hopkins University (JHU), the University of Utah, and the Max Planck Institute for Astrophysics. The website is dedicated to providing information and data associated with the Sloan Digital Sky Survey (SDSS), which is an ongoing astronomical survey exploring the northern sky.

The website attracts an average of 1296 unique users per day and 7257.6 pageviews, making it a highly trafficked site. The site's estimated value is $131,400 USD, which is indicative of its popularity and its significance in the field of astronomy.

One of the key aspects of the SDSS.org website is its secure hosting infrastructure. The website is hosted by JHU, one of the most esteemed educational institutions in the world, and the hosting services provided are backed by strong security measures. The site's SSL certificate has been issued by Internet2, which is one of the most trusted security authorities online.

Despite its complex subject matter, SDSS.org is a family-friendly website that is accessible to all age groups. The site prioritizes transparency and accessibility in its content, ensuring that even those who are not experts in astronomy can understand the information provided.

In terms of performance, the site's PageSpeed Insights score is 38, which is indicative of some optimization issues. However, given the density of content, images and files that are hosted on the website, an average score could be acceptable, especially considering the complex nature of the website's content. Nonetheless, the website could potentially benefit from some optimization efforts.

Overall, SDSS.org is a comprehensive and informative website that serves as a valuable resource for academic researchers, students, and aspiring astronomers worldwide. Its user-friendly interface, informative and reliable content, secure hosting, and strong academic backing make it a highly valuable and respected resource in the field.

Sdss.org Rank Summary

Global Rank

Average Load Time

0.87sec

Links In Count

1,289

Website Value

$131,400

Audience Geography. Where are sdss.org visitors located?

Country	Visitors
China CN	36.8%
United States US	32%
United Kingdom GB	3.8%
Chile CL	2.9%
India IN	2.7%
Philippines PH	1%
Other	21%

Country	Pageviews
United States US	50.2%
China CN	35.4%
United Kingdom GB	5.1%
Chile CL	0.7%
India IN	0.7%
Philippines PH	0.3%
Other	7.5%

Country	Rank
Chile CL	19135
China CN	27011
Philippines PH	46585
United States US	48966
United Kingdom GB	67559
India IN	194484

Where do visitors go on sdss.org?

Subdomain	Pageviews
skyserver.sdss.org	67.83%
cas.sdss.org	13.6%
sdss.org	4.24%
other	14.33%

Subdomain	Pageviews per User
skyserver.sdss.org	4
cas.sdss.org	3.9
sdss.org	1

Subdomain	Reach
skyserver.sdss.org	68.05%
cas.sdss.org	14.18%
sdss.org	12.29%

How popular is sdss.org?

Period	Global Rank	Global Rank Delta
past 3 months	88588	-6355
past month	110176	26196
past week	148589	-10397
yesterday	175123	-271767

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	62995	4156	96	-6.708%	5.6	-19.94%
30	96539	45476	58	-52.488%	4	-43.56%
7	155274	-37406	33	30%	3.1	30%
1	169990	-58146	3	50%	3	-65.851%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	106883	-12667	63	20%
30	124346	17672	54	-15.81%
7	158729	-755	4	0.4%
1	188389	-435190	3	300%

Sdss.org Website Safety

Overview

Last Updated: 11/22/2024

Overall result - sdss.org 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: 03/24/2024

sdss.org is safe.

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

Google Safe Search

Last Updated: 11/03/2016

sdss.org 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

sdss.org 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: 02/24/2021

sdss.org is safe.

McAfee assesses sdss.org 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 sdss.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

sdss.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	sdss.org
Issuer Organization	Internet2
Issuer	InCommon RSA Server CA
Algorithm	RSA-SHA256
Valid form	08/16/2022
Expiration	09/16/2023
Signed	Certificate is not self signed
Additional Domains	sdss.org

Sdss.org Rank History

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

Sdss.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 54113

ASN Title: FASTLY - Fastly, US

Last Update: 07/22/2024

#
# 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: 54113
ASName: FASTLY
ASHandle: AS54113
RegDate: 2011-10-04
Updated: 2012-03-02
Comment: http://www.fastly.com/
Ref: https://rdap.arin.net/registry/autnum/54113

OrgName: Fastly
OrgId: SKYCA-3
Address: PO Box 78266
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2011-09-16
Updated: 2017-03-30
Ref: https://rdap.arin.net/registry/entity/SKYCA-3

OrgNOCHandle: FNO19-ARIN
OrgNOCName: Fastly Network Operations
OrgNOCPhone: +1-415-404-9374
OrgNOCEmail: noc@fastly.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FNO19-ARIN

OrgTechHandle: FRA19-ARIN
OrgTechName: Fastly RIR Administrator
OrgTechPhone: +1-415-404-9374
OrgTechEmail: rir-admin@fastly.com
OrgTechRef: https://rdap.arin.net/registry/entity/FRA19-ARIN

OrgAbuseHandle: ABUSE4771-ARIN
OrgAbuseName: Abuse Account
OrgAbusePhone: +1-415-496-9353
OrgAbuseEmail: abuse@fastly.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4771-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.
#

Sdss.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: sdss.org
Registry Domain ID: cc00ca45d4fb4082abfc5d2553e3a90f-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2024-08-14T22:44:22Z
Creation Date: 1998-03-09T05:00:00Z
Registry Expiry Date: 2034-03-08T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: The Johns Hopkins University
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: MD
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ens1.jhmi.edu
Name Server: ens1.jhu.edu
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-27T07:46:21Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
sdss.org	128.220.233.141	3600

Host	MX Record	Priority	TTL
sdss.org	mail.inscc.utah.edu	10	3600

Host	NS Record	TTL
sdss.org	ens1.jhmi.edu	3600
sdss.org	ens1.jhu.edu	3600

Host	TXT Record	TTL

esgbloxgm.johnshopkins.edu
TTL: 3600
Email address: hostmaster.jhu.edu
Serial: 2014022907
Refresh: 10800
Retry: 3600
Expire: 2419200
Minimum: 900

Sdss.org HTML Check

HTML Validation Tool

Errors

Non-space characters found without seeing a doctype first. Expected “<!DOCTYPE html>”.

Element “head” is missing a required instance of child element “title”.

Sdss.org Desktop Performance

Last tested: 05/29/2017

Desktop Speed

46%

Optimize images

Enable compression

Leverage browser caching

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

Reduce server response time

Minify JavaScript

Desktop Resource Breakdown

Total Resources	42
Number of Hosts	10
Static Resources	27
JavaScript Resources	17
CSS Resources	6

Sdss.org Mobile Insights

Last tested: 05/21/2017

Mobile Usability

96%

Size content to viewport

Size tap targets appropriately

Mobile Speed

38%

Optimize images

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

Enable compression

Leverage browser caching

Prioritize visible content

Reduce server response time

Minify JavaScript

Mobile Resource Breakdown

Total Resources	42
Number of Hosts	10
Static Resources	27
JavaScript Resources	17
CSS Resources	6

Sdss.org Common Typos

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Sdss.org Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy - SDSS-V

The Sloan Digital Sky Survey-V (SDSS-V) is the first facility providing multi-epoch optical & IR spectroscopy across the entire sky, as well as offeri...

Sdss.org Overview

Sdss.org Rank Summary

Sdss.org Website Safety

Sdss.org Rank History

Sdss.org Hosting Information

Sdss.org Domain Registration and Settings

Sdss.org HTML Check

Sdss.org Desktop Performance

Sdss.org Mobile Insights

Sdss.org Similar Audits

Sdss.org Common Typos