Loc.gov Home | Library of Congress

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest lib...

Loc.gov Overview

/100

Optimization 47/100

Loc.gov is the official website of the Library of Congress, which serves as a research arm of Congress and the largest library in the world with a collection of over 162 million items. This website provides easy access to various collections, including books, manuscripts, photographs, maps, motion pictures, and sound recordings for researchers, scholars, and the general public. The website provides valuable information and resources to the public, which enhances the transparency and accountability of the US government.

The homepage is simple and well-organized, displaying the site's title as "Home | Library of Congress," emphasizing the site's primary purpose. The user interface is straightforward, with navigation buttons at the top of the page, including Search, Browse, and About. The site's layout is easy to navigate, with essential menus, and a search engine that displays specific results with a high level of precision. The user search experience is satisfactory, with advanced search features that allow users to refine their searches based on various parameters, including author, date, title, format, and subject.

The website provides a wealth of valuable information in various formats, including images, audio, video, and text, making it a comprehensive resource for researchers and scholars. The homepage also displays some significant collection highlights, such as "Echoes of the Great War," "Baseball Americana," and "Exploring the Early Americas," among others. These highlights offer insight into significant historical events and cultural aspects that impact the American society.

While the website is family-friendly in terms of not displaying any explicit content, parental guidance is recommended for minors using the website for research purposes. Since the website contains historical documents and other materials that may not be suitable for children, parents should monitor their access to these resources.

The website's PageSpeed Insight scores are moderate, with a speed score of 45/100 and an optimization score of 47/100. This means that the website can be further optimized to improve the user experience and accessibility. The website's hosting provider is CLOUDFLARENET - Cloudflare, Inc., US hosting, and it has an SSL certificate from Entrust, Inc., ensuring the security and privacy of users' data.

In conclusion, loc.gov is a valuable resource for researchers, scholars, and the general public, offering a wealth of information and resources related to the US government's history and culture. The website's simple interface and comprehensive collection of materials make it easy for users to navigate and

Loc.gov Rank Summary

Global Rank

6,212

Average Load Time

1.15sec

Links In Count

57,976

Website Value

$1.4 M

Audience Geography. Where are loc.gov visitors located?

Country	Visitors
United States US	53.6%
India IN	5.7%
China CN	3.4%
United Kingdom GB	2.2%
Canada CA	1.8%
Australia AU	1.8%
Germany DE	1.7%
France FR	1.5%
Italy IT	1.5%
Other	26.9%

Country	Pageviews
United States US	66.4%
Italy IT	5.9%
China CN	2.7%
India IN	2.3%
Canada CA	1.7%
United Kingdom GB	1.4%
Poland PL	1.3%
Iran IR	1.2%
France FR	1.1%
Other	16%

Country	Rank
United States US	1877
Philippines PH	2757
Sudan SD	3170
Nigeria NG	3372
South Africa ZA	4207
Australia AU	4748
Pakistan PK	5250
Canada CA	5415
Malaysia MY	5580
Italy IT	5780
Poland PL	7741
India IN	7745

Where do visitors go on loc.gov?

Subdomain	Pageviews
loc.gov	57.78%
chroniclingamerica.loc.gov	22.09%
catalog.loc.gov	4.96%
memory.loc.gov	1.91%
cdn.loc.gov	1.72%
webarchive.loc.gov	1.57%
blogs.loc.gov	1.39%
catdir.loc.gov	1.22%
id.loc.gov	1.12%
nlsbard.loc.gov	1.11%
other	5.14%

Subdomain	Pageviews per User
chroniclingamerica.loc.gov	13
desktop.loc.gov	10
webarchive.loc.gov	9
crsdomain.loc.gov	8
findingaids.loc.gov	6
nlsbard.loc.gov	5
cert.loc.gov	4.3
cip.loc.gov	4
pcn.loc.gov	3.8
ecip.loc.gov	3.3
other	1.92

Subdomain	Reach
loc.gov	76.43%
catalog.loc.gov	7.56%
chroniclingamerica.loc.gov	6.1%
catdir.loc.gov	4.09%
blogs.loc.gov	4.02%
memory.loc.gov	2.88%
cocatalog.loc.gov	2.5%
cdn.loc.gov	2.17%
id.loc.gov	1.47%
nlsbard.loc.gov	0.8%
other	5.51%

How popular is loc.gov?

Period	Global Rank	Global Rank Delta
past 3 months	6212	1415
past month	6336	3
past week	6122	-124
yesterday	4956	-1202

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	6719	1053	113	-18.12%	3.22	12%
30	6389	-504	118	5.6%	3.61	11%
7	6520	340	116	-4.55%	3.4	-9.383%
1	6262	-2405	12	34%	2.8	10%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	6448	1571	130	-26.92%
30	6866	263	120	-5.336%
7	6501	-301	130	5%
1	4954	-907	170	20%

Loc.gov Website Safety

Overview

Last Updated: 12/25/2024

Overall result - loc.gov 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: 03/21/2024

loc.gov is safe.

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

Google Safe Search

Last Updated: 02/01/2019

loc.gov 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: 05/25/2023

loc.gov 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

loc.gov is safe.

McAfee assesses loc.gov 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 loc.gov for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

loc.gov child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	loc.gov
Issuer Organization	Let's Encrypt
Issuer	E6
Algorithm	ecdsa-with-SHA384
Valid form	10/07/2024
Expiration	01/05/2025
Signed	Certificate is not self signed
Additional Domains	.aaa.loc.gov .loc.gov loc.gov

Loc.gov Rank History

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

Loc.gov Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/07/2024

#
# 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: 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.
#

Loc.gov Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: loc.gov
Registrar WHOIS Server: whois.nic.gov
Registrar URL: https://get.gov
Updated Date: 2024-01-08T03:10:33Z
Creation Date: 1997-10-02T01:29:25Z
Registry Expiry Date: 2025-09-01T17:39:37Z
Registrar: Cybersecurity and Infrastructure Security Agency
Registrar IANA ID: 8888888
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: REDACTED FOR PRIVACY
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: REDACTED FOR PRIVACY
Registrant Phone: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Email: REDACTED FOR PRIVACY
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 Fax: REDACTED FOR PRIVACY
Admin Email: REDACTED FOR PRIVACY
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 Fax: REDACTED FOR PRIVACY
Tech Email: REDACTED FOR PRIVACY
Registry Security ID: REDACTED FOR PRIVACY
Security Name: REDACTED FOR PRIVACY
Security Organization: REDACTED FOR PRIVACY
Security Street: REDACTED FOR PRIVACY
Security City: REDACTED FOR PRIVACY
Security State/Province: REDACTED FOR PRIVACY
Security Postal Code: REDACTED FOR PRIVACY
Security Country: REDACTED FOR PRIVACY
Security Phone: REDACTED FOR PRIVACY
Security Email: security@loc.gov
Name Server: alice.ns.cloudflare.com
Name Server: kevin.ns.cloudflare.com
DNSSEC: signedDelegation
>>> Last update of WHOIS database: 2024-09-09T11:43:38Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
loc.gov	104.16.55.16	300
loc.gov	104.16.54.16	300

Host	MX Record	Priority	TTL
loc.gov	mx22.loc.gov	5	300
loc.gov	mx23.loc.gov	5	300
loc.gov	mx41.loc.gov	5	300
loc.gov	mx42.loc.gov	5	300

Host	NS Record	TTL
loc.gov	alice.ns.cloudflare.com	86400
loc.gov	kevin.ns.cloudflare.com	86400

Host	TXT Record	TTL
loc.gov	MS=ms90737861	300
loc.gov	adobe-idp-site-verification=02f02861-90f5-4cf5-9922-c67c80a7bf26	300
loc.gov	google-site-verification=D5cqNFQ7z5rT2z4OXeYRmxrMc80omDUqEGtsNFY9N_g	300
loc.gov	google-site-verification=o0tsBc2NuJSImRS3MromAcC8lwoaWNp5LFZlmJXB0-0	300
loc.gov	v=spf1 include:spf1.loc.gov include:spf2.loc.gov mx -all	300
loc.gov	webexdomainverification.NQCL=b1bef083-e011-4dcf-b1f7-42204b82128e	300
loc.gov	xeoVgqsQaMl7EOgSBl32ZsaT/2K48oTSR8pOwBGWiBdPxCbQ0Uh+OVpV8jMpPbhRUYa8nGQWiu/l57WQIx+yVg==	300
loc.gov	yTrNm8yrlLjz94UZ1A2UUPz7Gv5UfCIypoGH1HmXjNs=	300

alice.ns.cloudflare.com
TTL: 3600
Email address: dns.cloudflare.com
Serial: 2308463075
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

Loc.gov HTML Check

HTML Validation Tool

Errors

Attribute “rel” not allowed on element “meta” at this point.

Attribute “href” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.

Bad value “schema.dc” for attribute “rel” on element “link”: The string “schema.dc” is not a registered keyword.

A document must not include more than one “meta” element with its “name” attribute set to the value “description”.

Bad value “dc.rights” for attribute “rel” on element “link”: The string “dc.rights” is not a registered keyword.

Element “meta” is missing required attribute “content”.

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

The element “header” must not appear as a descendant of the “header” element.

Duplicate ID “featured_content_”.

Bad value “/search/?q=World War I” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/search/?q=Great Depression” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/search/?q=Bill of Rights” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/search/?q=Civil War” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/search/?q=Portrait Photographs” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “/search/?q=Civil Rights” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Element “img” is missing required attribute “src”.

Stray end tag “script”.

Warnings

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

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

The first occurrence of ID “featured_content_” was here.

The “heading” role is unnecessary for element “h2”.

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

Loc.gov Desktop Performance

Last tested: 05/23/2017

Desktop Speed

50%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	57
Number of Hosts	4
Static Resources	49
JavaScript Resources	5
CSS Resources	2

Loc.gov Mobile Insights

Last tested: 05/23/2017

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

45%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	57
Number of Hosts	4
Static Resources	49
JavaScript Resources	5
CSS Resources	2

Loc.gov Common Typos

www.loc.com
www.loc.net
www.loc.org
www.loc.info
www.loc.biz
www.loc.us
www.loc.mobi
www.oc.gov
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www.poc.gov
www.lpoc.gov
www.ploc.gov
www.ooc.gov
www.looc.gov
www.oloc.gov
www.koc.gov
www.lkoc.gov
www.kloc.gov
www.lc.gov
www.lic.gov
www.loic.gov
www.lioc.gov
www.lkc.gov
www.lokc.gov
www.llc.gov
www.lolc.gov
www.lloc.gov
www.lpc.gov
www.lopc.gov
www.lo.gov
www.lox.gov
www.locx.gov
www.loxc.gov
www.lod.gov
www.locd.gov
www.lodc.gov
www.lof.gov
www.locf.gov
www.lofc.gov
www.lov.gov
www.locv.gov
www.lovc.gov

Loc.gov Home | Library of Congress

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest lib...

Loc.gov Overview

Loc.gov Rank Summary

Loc.gov Website Safety

Loc.gov Rank History

Loc.gov Hosting Information

Loc.gov Domain Registration and Settings

Loc.gov HTML Check

Loc.gov Desktop Performance

Loc.gov Mobile Insights

Loc.gov Similar Audits

Loc.gov Common Typos