Cdse.edu Center for Development of Security Excellence (CDSE)

Cdse.edu Overview

Cdse.edu ranking shows that the page is at position 364,260 over the world, while the bulk of its audience is from United States, where it ranks 78,309.

In terms of rank-to-traffic ratio, cdse.edu has 948 unique users per day, viewing 2,011 pages. The rank based value of cdse.edu is 35,478 USD. Every user makes 2.27 pageviews on average.

Cdse.edu boasts a link base consisting of 793 referring domains and 1028 external backlinks, as revealed by the data obtained from web network scanning.

Cdse.edu top-level domain belongs to .EDU domain zone. Check other webpages in .EDU zone.

According the last verification test in June 19, 2019, cdse.edu has an expired SSL certificate (expired on January 03, 2020). Click button “Update” SSL Information at the Safety Information section.

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

According the Mobile-Friendly test by Google cdse.edu is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Cdse.edu Rank Summary

Global Rank

364,260

Average Load Time

0.62sec

Links In Count

118

Website Value

$32,850

Audience Geography. Where are cdse.edu visitors located?

Country	Visitors
United States US	85.8%
Other	14.2%

Country	Pageviews
United States US	94.1%
Other	5.9%

Country	Rank
United States US	78309

Where do visitors go on cdse.edu?

Subdomain	Pageviews
cdse.edu	100%

Subdomain	Pageviews per User
cdse.edu	2.4

Subdomain	Reach
cdse.edu	100%

How popular is cdse.edu?

Period	Global Rank	Global Rank Delta
past 3 months	364260	90432
past month	294695	-111637
past week	438228	178890

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	442470	166876	8	-43%	2.1	-29.14%
30	345791	-155085	12	70%	2.4	20%
7	583543	315533	6	-64.536%	1	-51.761%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	356066	63238	15	-19.64%
30	297402	-100290	19	50%
7	395722	103287	2	-26.27%

Cdse.edu Website Safety

Overview

Last Updated: 11/23/2024

Overall result - cdse.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: 01/29/2021

cdse.edu is safe.

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

Google Safe Search

Last Updated: 03/23/2019

cdse.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

cdse.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: 02/28/2021

cdse.edu is safe.

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

Web of Trust

Last Updated: 11/23/2024

cdse.edu child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	cdse.edu
Issuer Organization	Unknown
Issuer	DigiCert SHA2 Secure Server CA
Algorithm	RSA-SHA256
Valid form	12/14/2018
Expiration	01/03/2020
Signed	Certificate is not self signed
Additional Domains	cdse.edu www.defiant.cdse.edu www.train.cdse.edu www.m.cdse.edu www.akira.cdse.edu www.review.cdse.edu defiant.cdse.edu train.cdse.edu m.cdse.edu akira.cdse.edu review.cdse.edu www.cdse.edu IP Address:34.235.66.158 IP Address:34.237.117.176

Cdse.edu Rank History

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

Cdse.edu Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14618

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

Last Update: 01/03/2021

#
# 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: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618

OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4

OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-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

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

RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-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.
#

Cdse.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: CDSE.EDU

Registrant:
Center for Development of Security Excellence (CDSE)
938 Elkridge Landing Road
Linthicum, MD 21090
USA

Administrative Contact:
William Howard
Center for Development of Security Excellence (CDSE)
938 Elkridge Landing Road
Linthicum, MD 21090
USA
+1.4105989818
william.l.russell16.civ@mail.mil

Technical Contact:
William Russell
Center for Development of Security Excellence (CDSE)
938 Elkridge Landing Road
Linthicum, MD 21090
USA
+1.4106891349
william.l.russell16.civ@mail.mil

Name Servers:
NS-1904.AWSDNS-46.CO.UK
NS-948.AWSDNS-54.NET
NS-1120.AWSDNS-12.ORG
NS-389.AWSDNS-48.COM

Domain record activated: 19-Nov-2012
Domain record last updated: 31-Oct-2024
Domain expires: 31-Oct-2025

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Cdse.edu HTML Check

HTML Validation Tool

Errors

Bad value “120x120.png” for attribute “sizes” on element “link”.

Bad value “144x144.png” for attribute “sizes” on element “link”.

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Duplicate ID “navigation”.

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

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

Duplicate ID “resources”.

Duplicate ID “headline-set”.

Duplicate ID “headline-date”.

Duplicate ID “headline”.

Stray start tag “script”.

Cannot recover after last error. Any further errors will be ignored.

Warnings

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

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

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

The first occurrence of ID “navigation” was here.

The first occurrence of ID “resources” was here.

The “main” role is unnecessary for element “main”.

The first occurrence of ID “headline-set” was here.

The first occurrence of ID “headline-date” was here.

The first occurrence of ID “headline” was here.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

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

Cdse.edu Desktop Performance

Last tested: 09/09/2019

Desktop Speed

58%

Optimize images

Enable compression

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

Avoid landing page redirects

Leverage browser caching

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	47
Number of Hosts	13
Static Resources	33
JavaScript Resources	15
CSS Resources	8

Cdse.edu Mobile Insights

Last tested: 05/20/2017

Mobile Usability

96%

Size content to viewport

Size tap targets appropriately

Mobile Speed

52%

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

Optimize images

Enable compression

Leverage browser caching

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	42
Number of Hosts	12
Static Resources	30
JavaScript Resources	14
CSS Resources	8

Cdse.edu Common Typos

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Cdse.edu Center for Development of Security Excellence (CDSE)

Cdse.edu Overview

Cdse.edu Rank Summary

Cdse.edu Website Safety

Cdse.edu Rank History

Cdse.edu Hosting Information

Cdse.edu Domain Registration and Settings

Cdse.edu HTML Check

Cdse.edu Desktop Performance

Cdse.edu Mobile Insights

Cdse.edu Similar Audits

Cdse.edu Common Typos