Ndltd.org ndltd

Ndltd.org Overview

NDLTD (Networked Digital Library of Theses and Dissertations) is a non-profit organization that is focused on improving digital libraries and archives for scholarly and research materials worldwide. NDLTD’s primary goal is to make online post-secondary research more accessible through the creation of an international collaborative network of universities, research institutions, and libraries. The site is dedicated to providing students with access to online resources such as scholarly articles, research papers, and other materials to support their academic pursuits.

At ndltd.org, visitors can browse the vast catalog of available materials and tailor their search by country, language, and topic. The site is designed to be user-friendly, with intuitive search functions and a clean layout that makes it easy to find materials relevant to the user’s interests.

NDLTD is hosted by OVH SAS hosting, which is a popular cloud hosting provider. OVH SAS hosting is known for its high-performance servers and reliable uptime, which ensures that the site is always available to students and researchers.

The site’s domain, .ORG, indicates that it is intended for non-profit organizations. As such, the content on the site is entirely family-friendly, with no adult or inappropriate materials. The site also has a robust privacy policy that ensures that user data is kept secure and confidential.

Regarding site traffic, NDLTD has an impressive 962 unique users per day, with an average view of 3848 pages per day. Based on these numbers, the site is valued around $73,000. While these figures may not seem large, they are impressive for a specialized site that caters primarily to post-secondary students and researchers.

PageSpeed Insights is a tool provided by Google that ranks a site's performance, primarily in terms of speed. NDLTD scores 74 on this scale, which is a reasonably good score considering the site’s vast catalog of materials. However, there is still room for optimization, particularly if the site aims to attract younger audiences who may have less patience for slow-loading pages.

In conclusion, NDLTD is a well-designed, user-friendly site that offers a valuable resource for post-secondary students and researchers worldwide. The site is hosted on an excellent cloud hosting provider, OVH SAS, and has a respectable number of unique visitors and page views per day. Its domain’s .ORG extension and family-friendly content make it a reliable source of scholarly materials for everyone. With some optimization, NDLTD has the potential to attract even more visitors while maintaining

Ndltd.org Rank Summary

Global Rank

170,838

Average Load Time

1.07sec

Links In Count

1,205

Website Value

$73,073

Audience Geography. Where are ndltd.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on ndltd.org?

Subdomain	Pageviews
search.ndltd.org	68.8%
ndltd.org	26.3%
other	4.91%

Subdomain	Pageviews per User
search.ndltd.org	4
ndltd.org	2

Subdomain	Reach
search.ndltd.org	66.1%
ndltd.org	54.24%

How popular is ndltd.org?

Period	Global Rank	Global Rank Delta
past 3 months	170838	-23041
past month	342143	142666
past week	694174	430371

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	153622	-44713	33	46%	4	30%
30	315973	181615	14	-64.596%	3.7	-43.61%
7	721148	481035	4	-78.411%	2	-38.9%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	192329	-13100	31	9%
30	384074	133377	14	-37.23%
7	722685	400506	7	-64.641%

Ndltd.org Website Safety

Overview

Last Updated: 07/27/2025

Overall result - ndltd.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: 03/24/2025

ndltd.org is safe.

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

Google Safe Search

Last Updated: 03/18/2019

ndltd.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

ndltd.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

ndltd.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

ndltd.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.ndltd.vt.domains
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	12/28/2024
Expiration	03/28/2025
Signed	Certificate is not self signed
Additional Domains	*.ndltd.vt.domains ndltd.org ndltd.vt.domains www.ndltd.org

Ndltd.org Rank History

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

Ndltd.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14061

ASN Title: DIGITALOCEAN-ASN - DigitalOcean, LLC, US

Last Update: 07/11/2025

#
# 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: 14061
ASName: DIGITALOCEAN-ASN
ASHandle: AS14061
RegDate: 2012-09-25
Updated: 2012-09-25
Ref: https://rdap.arin.net/registry/autnum/14061

OrgName: DigitalOcean, LLC
OrgId: DO-13
Address: 101 Ave of the Americas
Address: 10th Floor
City: New York
StateProv: NY
PostalCode: 10013
Country: US
RegDate: 2012-05-14
Updated: 2018-07-17
Comment: http://www.digitalocean.com
Comment: Simple Cloud Hosting
Ref: https://rdap.arin.net/registry/entity/DO-13

OrgAbuseHandle: ABUSE5232-ARIN
OrgAbuseName: Abuse, DigitalOcean
OrgAbusePhone: +1-347-875-6044
OrgAbuseEmail: abuse@digitalocean.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5232-ARIN

OrgNOCHandle: NOC32014-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-347-875-6044
OrgNOCEmail: noc@digitalocean.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC32014-ARIN

OrgTechHandle: NOC32014-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-347-875-6044
OrgTechEmail: noc@digitalocean.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC32014-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.
#

Ndltd.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: ndltd.org
Registry Domain ID: 2bf6a0a84bf24f8e8b550494ae1f6eaa-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2021-02-03T07:38:09Z
Creation Date: 1997-04-02T05:00:00Z
Registry Expiry Date: 2026-04-03T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Virginia Tech
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: VA
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: ns10.worldnic.com
Name Server: ns9.worldnic.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-12T02:16:23Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
ndltd.org	216.239.36.21	7200
ndltd.org	216.239.38.21	7200
ndltd.org	216.239.34.21	3600
ndltd.org	216.239.32.21	3600

Host	MX Record	Priority	TTL
ndltd.org	aspmx.l.google.com	1	7200
ndltd.org	alt3.aspmx.l.google.com	10	7200
ndltd.org	alt2.aspmx.l.google.com	5	7200
ndltd.org	alt4.aspmx.l.google.com	10	7200
ndltd.org	alt1.aspmx.l.google.com	5	7200

Host	NS Record	TTL
ndltd.org	ns9.worldnic.com	7200
ndltd.org	ns10.worldnic.com	7200

Host	TXT Record	TTL
ndltd.org	google-site-verification=QQCwX1pUkQg51g_fSeGMfbIUTpvkn05vPo-LMYqZA9k	7200

ns9.worldnic.com
TTL: 7200
Email address: namehost.WORLDNIC.COM
Serial: 120071316
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Ndltd.org HTML Check

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Bad value “http://www.google.com/ns/jotspot” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Bad value “navigation” for attribute “role” on element “ul”.

Attribute “jotid” not allowed on element “ul” at this point.

Attribute “jotid” not allowed on element “a” at this point.

Attribute “wuid” not allowed on element “li” at this point.

The “align” attribute on the “h3” 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 “width” attribute on the “td” element is obsolete. Use CSS instead.

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

Bad value “true” for attribute “defer” on element “script”.

Element “script” must not have attribute “defer” unless attribute “src” is also specified.

Warnings

Attribute “xmlns” is not serializable as XML 1.0.

Empty heading.

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.

Ndltd.org Desktop Performance

Last tested: 07/06/2019

Desktop Speed

43%

Optimize images

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

Reduce server response time

Leverage browser caching

Desktop Resource Breakdown

Total Resources	23
Number of Hosts	8
Static Resources	16
JavaScript Resources	2
CSS Resources	3

Ndltd.org Mobile Insights

Last tested: 05/21/2017

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

74%

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

Leverage browser caching

Optimize images

Mobile Resource Breakdown

Total Resources	23
Number of Hosts	13
Static Resources	15
JavaScript Resources	3
CSS Resources	3

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Ndltd.org ndltd

Ndltd.org Overview

Ndltd.org Rank Summary

Ndltd.org Website Safety

Ndltd.org Rank History

Ndltd.org Hosting Information

Ndltd.org Domain Registration and Settings

Ndltd.org HTML Check

Ndltd.org Desktop Performance

Ndltd.org Mobile Insights

Ndltd.org Similar Audits

Ndltd.org Common Typos