Loc.gov - SEO Checker

Overview of the SEO Check
Meta information
77% 
Page quality
58% 
Page structure
60% 
Link structure
57% 
Server
82% 
External factors
100% 
SEO Score
Response time
0.72 s
File size
92.60 kB
Words
515
Media files
40
Number of links
96 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Library of Congress
The length of the page title is perfect. (249 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
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 library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
There are more than one meta descriptions on the page. Only one is allowed.
The meta description is too long: 1837 pixels from max. 1000 pixels.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
descriptionThe world
dc.identifierhttp://www.loc.gov/
viewportwidth=device-width,initial-scale=1
version$Revision$
msvalidate.015C89FB9D99590AB2F55BD95C3A59BD81
dc.languageeng
dc.sourceLibrary of Congress, Washington, D.C. 20540 USA
dc.titleHome | Library of Congress
dc.rightsText is U.S. Government Work
dc.typeweb page
msapplication-TileColor#ffffff
msapplication-TileImagems-icon-144x144.png?123456789.-1
langen
fb:adminslibraryofcongress
og:site_nameThe Library of Congress
og:typearticle
og:titleHome | Library of Congress
og:descriptionThe world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.
og:imagehttp://www.loc.gov/static/images/favicons/open-graph-logo.png?123456789.-1
og:image:secure_urlhttps://www.loc.gov/static/images/favicons/open-graph-logo.png?123456789.-1
og:image:width1200
og:image:height630
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
No paragraphs were detected.
This page contains 515 words. That's ok.
23.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This website loads 4 javascript files. This may affect the load time negatively.
A viewport "width=device-width,initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 tags for this page.
Image SEO
(Somewhat important)
16 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/static/images/logo-loc-new-branding.svgNo alt attribute provided
...red/exhibits/rose-parks-chair-terek2.jpgNo alt attribute provided
...home/images/featured/collections/tih.jpgNo alt attribute provided
...featured/evergreen/main_reading_room.jpgNo alt attribute provided
...s/featured/exhibits/suffrage-preview.jpgNo alt attribute provided
...day-blowing-horns-bleeker-st-nyc-480.jpgNo alt attribute provided
...day-blowing-horns-bleeker-st-nyc-750.jpgNo alt attribute provided
...en-suffrage-48079406641_69c1146579_k.jpgNo alt attribute provided
...es/trending/collections/ben-franklin.jpgNo alt attribute provided
...ding/evergreen/tj-lights-48079402371.jpgNo alt attribute provided
...nding/collections/drake-st-augustine.jpgNo alt attribute provided
...ding/evergreen/trending-readingroom2.jpgNo alt attribute provided
...es/trending/evergreen/eg-concerts-03.jpgNo alt attribute provided
...images/your-library/01-PlanYourVisit.jpgNo alt attribute provided
...mages/your-library/02-ResearchCenter.jpgNo alt attribute provided
.../images/your-library/03-AskLibrarian.jpgNo alt attribute provided
...c-domain/discovery-and-exploration/1.jpgUniversalis cosmographia...First known map to name America
...c-domain/discovery-and-exploration/2.jpgCarte de la Louisiane et du cours du Mississippi ...
...c-domain/discovery-and-exploration/3.jpgNovi Belgii Novaeque Angliae : nec non partis Virginiae tabula multis in locis emendata
...c-domain/discovery-and-exploration/4.jpgA new map of Virginia, Mary-Land, and the improved parts of Pennsylvania & New Jersey.
...c-domain/discovery-and-exploration/5.jpgLa Floride
...c-domain/discovery-and-exploration/6.jpgA mapp of Virginia discovered to ye hills...
...c-domain/discovery-and-exploration/7.jpgA map exhibiting all the new discoveries in the interior parts of North America
...c-domain/discovery-and-exploration/8.jpgAmericae sive qvartae orbis partis nova et exactissima descriptio
...c-domain/discovery-and-exploration/9.jpgManatvs gelegen op de Noot [sic] Riuier.
...-domain/discovery-and-exploration/10.jpgMap of California shown as an island
...-domain/discovery-and-exploration/11.jpgMap of the islands of Hispaniola and Puerto Rico
...-domain/discovery-and-exploration/12.jpgA correct map of the world drawn from the best discoveries

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 34 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Featured Items
H2 Programs, services
H2 Trending
H2 Your Library
H2 Free to Use and Reuse: Discovery and Exploration
H2 Universalis cosmographia...First known map to name America
H2 Carte de la Louisiane et du cours du Mississippi ...
H2 Novi Belgii Novaeque Angliae : nec non partis Virginiae tabula multis in locis emendata
H2 A new map of Virginia, Mary-Land, and the improved parts of Pennsylvania & New Jersey.
H2 La Floride
H2 A mapp of Virginia discovered to ye hills...
H2 A map exhibiting all the new discoveries in the interior parts of North America
H2 Americae sive qvartae orbis partis nova et exactissima descriptio
H2 Manatvs gelegen op de Noot [sic] Riuier.
H2 Map of California shown as an island
H2 Map of the islands of Hispaniola and Puerto Rico
H2 A correct map of the world drawn from the best discoveries
H2 An accurate chart of the world with the new discoveries...
H2 Mappa totius mundi...
H2 Mappe monde nouvelle
H2 The world from the discoveries & observations made in the latest voyages & travels
H2 Map of the world with the most recent discoveries.
H2 Missionary map of the world showing prevailing religions...
H2 Nova delineatio totius orbis terrarum
H2 A new and correct map of the world projected upon the plane of the horizon...
H2 Chart of the Mediterranean, Black Sea, and the coasts of western Europe and northwest Africa
H2 Chart of the Mediterranean, the coast of Portugal, and the northwest coast of Africa
H2 Map of the Far East and adjacent Pacific
H2 Lewis and Clark map, with annotations in brown ink by Meriwether Lewis, tracing showing the Mississippi...
H3 Rosa Parks: In Her Own Words
H3 Today in History
H3 Events at the Library of Congress
H3 Shall Not Be Denied: Women Fight for the Vote
H3 Top Searches:
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The amount of internal links is ok.
None of the anchor texts is too long.
There are 18 external links on this page.
LinkAttributesAnchor text
https://www.loc.gov/Anchor Skip to main content
https://www.loc.gov/Library of Congress
https://www.loc.gov/discover/Discover
/services-and-programs/Services
https://www.loc.gov/visit/Visit
https://www.loc.gov/education/Education
https://www.loc.gov/connect/Connect
https://www.loc.gov/about/About
http://www.loc.gov/rr/askalib/Ask a Librarian
https://www.loc.gov/help/Help
https://www.loc.gov/contact/Contact
https://catalog.loc.gov/External Search Online Catalog
http://copyright.gov/External Copyright.gov
https://www.congress.gov/External Congress.gov
/exhibitions/rosa-parks-in-her...Rosa Parks: In Her Own Words Exhibition immerses visitors in Parks' reflections, handwritten notes & photos.
/item/today-in-history/Today in History Learn more about historic events illuminated by Library collections.
https://www.loc.gov/events/Events at the Library of Congress Visit the Library for tours, concerts, lectures, films, workshops & more.
/exhibitions/women-fight-for-t...Shall Not Be Denied: Women Fight for the Vote Exhibition features suffragists from Seneca Falls to 19th Amendment.
https://catalog.loc.gov/External Library Catalog
https://www.loc.gov/collections/Digital Collections
https://www.loc.gov/rr/Researchers
https://www.loc.gov/visit/Visitors
https://www.loc.gov/teachers/Teachers
https://blogs.loc.gov/External Blogs
https://copyright.gov/External U.S. Copyright Office
/services-and-programs/More...
/search/?q=Civil WarCivil War
/search/?q=Rosa ParksRosa Parks
/search/?q=Great DepressionGreat Depression
/search/?q=ImmigrationImmigration
/search/?q=SlaverySlavery
/search/?q=Children's BooksChildren's Books
/resource/fsa.8d23899/Featured Item Blowing Horns on New Year's Day, 1943
https://www.loc.gov/exhibits/Exhibitions Explore Library Exhibitions In Person & Online
/collections/benjamin-franklin...Collection View the Benjamin Franklin Papers
https://www.loc.gov/news/News Get the Latest News from the Library
/collections/rare-book-selecti...Books Explore Rare Books Online
/librarians/librarians-in-resi...Apply Applications for Librarians-in-Residence Program Due Jan. 17
https://www.loc.gov/events/Events View the Library's Calendar of Events
https://www.loc.gov/about/More about the Library
https://www.loc.gov/visit/Plan Your Visit
http://www.loc.gov/rr/Research Centers
http://www.loc.gov/rr/askalib/Text duplicate Ask a Librarian
https://www.loc.gov/free-to-use/Free to Use and Reuse
/resource/g3200.ct000725C/IMG-ALT Universalis cosmographia...First known map to name America
/resource/g3200.ct000725C/Text duplicate Universalis cosmographia...First known map to name America
/resource/g3701s.ct003028/IMG-ALT Carte de la Louisiane et du cours du Mississippi ...
/resource/g3701s.ct003028/Text duplicate Carte de la Louisiane et du cours du Mississippi ...
/resource/g3715.ct000001/IMG-ALT Novi Belgii Novaeque Angliae : nec non partis Virginiae tabula multis in locis emendata
/resource/g3715.ct000001/Text duplicate Novi Belgii Novaeque Angliae : nec non partis Virginiae tabula multis in locis emendata
/resource/g3790.ct002126/IMG-ALT A new map of Virginia, Mary-Land, and the improved parts of Pennsylvania & New Jersey.
/resource/g3790.ct002126/Text duplicate A new map of Virginia, Mary-Land, and the improved parts of Pennsylvania & New Jersey.
/resource/g3860.ct000706/IMG-ALT La Floride
/resource/g3860.ct000706/Text duplicate La Floride
/resource/g3880.ct000903/IMG-ALT A mapp of Virginia discovered to ye hills...
/resource/g3880.ct000903/Text duplicate A mapp of Virginia discovered to ye hills...
/resource/g3300.ct000584/IMG-ALT A map exhibiting all the new discoveries in the interior parts of North America
/resource/g3300.ct000584/Text duplicate A map exhibiting all the new discoveries in the interior parts of North America
/resource/g3290.ct000342/IMG-ALT Americae sive qvartae orbis partis nova et exactissima descriptio
/resource/g3290.ct000342/Text duplicate Americae sive qvartae orbis partis nova et exactissima descriptio
/resource/g3804n.ct000050/IMG-ALT Manatvs gelegen op de Noot [sic] Riuier.
/resource/g3804n.ct000050/Text duplicate Manatvs gelegen op de Noot [sic] Riuier.
/resource/g3291s.mf000074/IMG-ALT Map of California shown as an island
/resource/g3291s.mf000074/Text duplicate Map of California shown as an island
/resource/g4930.ct000952/IMG-ALT Map of the islands of Hispaniola and Puerto Rico
/resource/g4930.ct000952/Text duplicate Map of the islands of Hispaniola and Puerto Rico
/resource/g3200.ct009344/IMG-ALT A correct map of the world drawn from the best discoveries
/resource/g3200.ct009344/Text duplicate A correct map of the world drawn from the best discoveries
/resource/g3200.ct009324/IMG-ALT An accurate chart of the world with the new discoveries...
/resource/g3200.ct009324/Text duplicate An accurate chart of the world with the new discoveries...
/resource/g3200.ct009328/IMG-ALT Mappa totius mundi...
/resource/g3200.ct009328/Text duplicate Mappa totius mundi...
/resource/g3200.ct009327/IMG-ALT Mappe monde nouvelle
/resource/g3200.ct009327/Text duplicate Mappe monde nouvelle
/resource/g3200.ct009331/IMG-ALT The world from the discoveries & observations made in the latest voyages & travels
/resource/g3200.ct009331/Text duplicate The world from the discoveries & observations made in the latest voyages & travels
/resource/g3200.awh00011/IMG-ALT Map of the world with the most recent discoveries.
/resource/g3200.awh00011/Text duplicate Map of the world with the most recent discoveries.
/resource/g3201e.ct004005/IMG-ALT Missionary map of the world showing prevailing religions...
/resource/g3201e.ct004005/Text duplicate Missionary map of the world showing prevailing religions...
/resource/g3200.ct009336/IMG-ALT Nova delineatio totius orbis terrarum
/resource/g3200.ct009336/Text duplicate Nova delineatio totius orbis terrarum
/resource/g3200.ct009343/IMG-ALT A new and correct map of the world projected upon the plane of the horizon...
/resource/g3200.ct009343/Text duplicate A new and correct map of the world projected upon the plane of the horizon...
/resource/g5672m.ct002457/IMG-ALT Chart of the Mediterranean, Black Sea, and the coasts of western Europe and northwest Africa
/resource/g5672m.ct002457/Text duplicate Chart of the Mediterranean, Black Sea, and the coasts of western Europe and northwest Africa
/resource/g5672m.ct003910/IMG-ALT Chart of the Mediterranean, the coast of Portugal, and the northwest coast of Africa
/resource/g5672m.ct003910/Text duplicate Chart of the Mediterranean, the coast of Portugal, and the northwest coast of Africa
/resource/g7800.ct001372r/IMG-ALT Map of the Far East and adjacent Pacific
/resource/g7800.ct001372r/Text duplicate Map of the Far East and adjacent Pacific
/resource/g4126s.ct000071/IMG-ALT Lewis and Clark map, with annotations in brown ink by Meriwether Lewis, tracing showing the Mississippi...
/resource/g4126s.ct000071/Text duplicate Lewis and Clark map, with annotations in brown ink by Meriwether Lewis, tracing showing the Mississippi...
https://www.loc.gov/connect/Follow Us
https://loc.gov/subscribe/Email
A-TITLE Email
https://www.facebook.com/libra...External Facebook
A-TITLE Facebook
https://www.twitter.com/librar...External Twitter
A-TITLE Twitter
https://www.youtube.com/librar...External Youtube
A-TITLE Youtube
https://www.pinterest.com/Libr...External Pinterest
A-TITLE Pinterest
https://www.flickr.com/photos/...External Flickr
A-TITLE Flickr
https://instagram.com/libraryc...External Instagram
A-TITLE Instagram
https://itunes.apple.com/us/ar...External Subdomain iTunes
A-TITLE iTunes
https://www.research.net/r/lib...External Take our survey External
A-TITLE Take our survey
/accessibility/Accessibility
https://www.loc.gov/legal/Legal
/about/office-of-the-inspector...Inspector General
/legal/standard-disclaimer-for...External Link Disclaimer
https://www.usa.gov/External USA.gov
https://www.loc.gov/careers/Careers
https://www.loc.gov/contact/Text duplicate Contact
https://www.loc.gov/news/Media
/philanthropy/online-donation/...Donate
http://library-of-congress-sho...External Subdomain Shop
https://www.congress.gov/External Text duplicate Congress.gov
http://copyright.gov/External United States Copyright Office

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.loc.gov/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.72 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This website loads 4 javascript files. This may affect the load time negatively.
This website only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (93 kB).

HTTP Response Header

NameValue
dateThu, 02 Jan 2020 05:26:27 GMT
content-typetext/html; charset=UTF-8
content-length19721
connectionkeep-alive
x-frame-optionssameorigin
etag"446080e747de8342197031e7dfc7667b"
expiresWed, 01 Jan 2020 06:55:38 GMT
content-encodinggzip
accept-rangesbytes
cache-controlno-transform, max-age=3600
age0
cf-cache-statusDYNAMIC
expect-ctmax-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
servercloudflare
cf-ray54ea5172ad1cd6c5-FRA
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
Shallalist classifies this website as Government. This classification is fine.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 209,406 referring domains.
This website has 49,053,435 backlinks.
This website has backlinks from 120,645 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

User-agent: 008
Disallow: /

#Baiduspider
User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-image
Disallow: /

User-agent: *
Disallow: /cgi-bin/
Disallow: /web_arch/
Disallow: /rr/mopic/staff
Disallow: /loc/volunteers
Disallow: /ficmanagers
Disallow: /preserv/extranet/
Disallow: /myloc
Disallow: /nationalfilmregistry
Disallow: /fedsearch
Disallow: /search
Disallow: /pictures/search
Disallow: /pictures/related
Crawl-Delay: 5

Sitemap: https://www.loc.gov/sitemap.xml

Facebook popularity

Shares / Likes / Comments
16,232

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

Home | Library of Congress
https://www.loc.gov/
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 library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Library61%Check
Library Congress59%Check
Congress54%Check
largest library50%Check
world47%Check
Search42%Check
Congress Spa40%Check
Items40%Check
Research37%Check
collections37%Check

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