Worldcat.org WorldCat.org: The World's Largest Library Catalog

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Worldcat.org Overview

Worldcat.org ranking shows that the page is at position 4,901 over the world, while the bulk of its audience is from United States, where it ranks 3,266.

It is beneficial to worldcat.org that their hosting company CLOUDFLARENET - Cloudflare, Inc., US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on CLOUDFLARENET - Cloudflare, Inc., US servers.

In terms of rank-to-traffic ratio, worldcat.org has 68,041 unique users per day, viewing 149,691 pages. The rank based value of worldcat.org is 1,986,768 USD. Every user makes 2.35 pageviews on average.

Worldcat.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in November 28, 2019, worldcat.org has an expired wildcard SSL certificate issued by DigiCert Inc (expired on July 05, 2020). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust worldcat.org is a fairly safe domain.

According the Mobile-Friendly test by Google worldcat.org is nice optimized for mobile devices and tablets.

Worldcat.org Rank Summary

Global Rank

4,901

Average Load Time

1.41sec

Links In Count

9,467

Website Value

$1.8 M

Audience Geography. Where are worldcat.org visitors located?

Country	Visitors
United States US	29.1%
India IN	6.4%
South Africa ZA	6.2%
Canada CA	4%
Mexico MX	2.7%
Australia AU	2.5%
Ethiopia ET	1.8%
Indonesia ID	1.7%
Egypt EG	1.4%
Other	44.3%

Country	Pageviews
United States US	25.2%
South Africa ZA	7.7%
India IN	5.8%
Canada CA	4.5%
Mexico MX	3.8%
Australia AU	3.2%
Egypt EG	2.5%
Turkey TR	2.3%
Saudi Arabia SA	1.7%
Other	43.4%

Country	Rank
Ethiopia ET	344
South Africa ZA	486
Kenya KE	1118
Canada CA	2087
Singapore SG	2226
Australia AU	2588
Peru PE	2820
United Arab Emirates AE	2893
United States US	3266
Philippines PH	3481
Malaysia MY	3509
Mexico MX	3764

Where do visitors go on worldcat.org?

Subdomain	Pageviews
worldcat.org	70.6%
on.worldcat.org	18.09%
sd02.worldcat.org	4.42%
authn.worldcat.org	2.07%
sd00.worldcat.org	1.51%
account.worldcat.org	1.41%
share.worldcat.org	0.96%
sd04.worldcat.org	0.56%
sd03.worldcat.org	0.22%
other	0.16%

Subdomain	Pageviews per User
sd04.worldcat.org	3
on.worldcat.org	2.4
worldcat.org	2.3
sd03.worldcat.org	2
account.worldcat.org	2
sd02.worldcat.org	2
authn.worldcat.org	1.9
sd00.worldcat.org	1.6
share.worldcat.org	1.3

Subdomain	Reach
worldcat.org	79.49%
on.worldcat.org	19.66%
sd02.worldcat.org	5.32%
authn.worldcat.org	2.89%
sd00.worldcat.org	2.4%
account.worldcat.org	2.28%
share.worldcat.org	1.93%
sd04.worldcat.org	0.54%
sd03.worldcat.org	0.29%

How popular is worldcat.org?

Period	Global Rank	Global Rank Delta
past 3 months	4901	1111
past month	4483	-1038
past week	3644	-508
yesterday	9190	6122

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	7960	1420	774	-14.74%	2.2	3%
30	6634	-2740	94	45%	2.6	30%
7	5298	-778	12	10%	2.8	1%
1	21827	17656	34	-78.741%	1	-59.568%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	4338	991	150	-17.33%
30	4216	-574	160	20%
7	3513	-478	190	10%
1	7110	3871	120	-47.29%

Worldcat.org Website Safety

Overview

Last Updated: 06/10/2023

Overall result - worldcat.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: 03/19/2023

worldcat.org is safe.

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

Google Safe Search

Last Updated: 10/10/2016

worldcat.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

worldcat.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: 02/22/2021

worldcat.org is safe.

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

Web of Trust

Last Updated: 01/09/2019

worldcat.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.worldcat.org
Issuer Organization	DigiCert Inc
Issuer	Thawte RSA CA 2018
Algorithm	RSA-SHA256
Valid form	07/02/2018
Expiration	07/05/2020
Signed	Certificate is not self signed
Additional Domains	*.worldcat.org worldcat.org

Worldcat.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 01/03/2023

#
# 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: 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.
#

Worldcat.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: WORLDCAT.ORG
Registry Domain ID: D780029-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2020-10-23T23:56:21Z
Creation Date: 1998-01-21T05:00:00Z
Registry Expiry Date: 2028-01-20T05:00:00Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: OCLC Online Computer Library Center, Inc
Registrant State/Province: OH
Registrant Country: US
Name Server: MICHELLE.NS.CLOUDFLARE.COM
Name Server: NICO.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-04-24T21:18:50Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
worldcat.org	132.174.0.31	60

Host	MX Record	Priority	TTL

Host	NS Record	TTL
worldcat.org	dns-r1.oclc.org	3600
worldcat.org	ddisy01pac1.shr.oclc.org	3600
worldcat.org	dns.oclc.org	3600
worldcat.org	dns2.oclc.org	3600
worldcat.org	dns4.oclc.org	3600

Host	TXT Record	TTL

gmvip01sac1.shr.oclc.org
TTL: 3600
Email address: netadm.oclc.org
Serial: 2018053704
Refresh: 10800
Retry: 3600
Expire: 2419200
Minimum: 900

Worldcat.org HTML Check

HTML Validation Tool

Errors

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

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “content-script-type” for attribute “http-equiv” on element “meta”.

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.

The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “&” instead.

No space between attributes.

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

Unclosed element “form”.

Stray end tag “form”.

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

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 “valign” attribute on the “tr” element is obsolete. Use CSS instead.

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

The “align” attribute on the “td” 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.

Bad value “/tags/vermont college of fine arts” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/available online” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/fr tom books” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/jack schwem cds” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/cello music collections at uncg” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/social emotional” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/satirical non-fiction” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/exhibition catalog” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/estudos portugueses” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/luigi silva cello music collection” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/young adult” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/diabetes and you naheed ali” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/luigi silva” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/marjane satrapi” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/pepperdine law dvds” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “/tags/portuguese studies” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Warnings

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

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

The value of attribute “title” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.

Text run is not in Unicode Normalization Form C.

Worldcat.org Desktop Performance

Last tested: 12/02/2019

Desktop Speed

84%

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	79
Number of Hosts	12
Static Resources	67
JavaScript Resources	21
CSS Resources	16

Worldcat.org Mobile Insights

Last tested: 12/02/2019

Mobile Usability

63%

Use legible font sizes

Size tap targets appropriately

Mobile Speed

66%

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	80
Number of Hosts	12
Static Resources	67
JavaScript Resources	21
CSS Resources	16

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Worldcat.org WorldCat.org: The World's Largest Library Catalog

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Worldcat.org Overview

Worldcat.org Rank Summary

Worldcat.org Website Safety

Worldcat.org Hosting Information

Worldcat.org Domain Registration and Settings

Worldcat.org HTML Check

Worldcat.org Desktop Performance

Worldcat.org Mobile Insights

Worldcat.org Similar Audits

Worldcat.org Common Typos