Americanhistory.si.edu - SEO Checker

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Overview of the SEO Check
Meta information
94% 
Page quality
87% 
Page structure
58% 
Link structure
93% 
Server
12% 
External factors
100% 
SEO Score
Response time
0.87 s
File size
53.30 kB
Words
623
Media files
22
Number of links
52 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | National Museum of American History
The length of the page title is perfect. (406 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Smithsonian’s National Museum of American History preserves our nation’s collections and tells a full and complex history of the United States.
The length of the meta description is perfect. (907 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://americanhistory.si.edu/home
The specified canonical link points to a different page.
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)
The specified alternate links have no errors.
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 name is very long.
The domain is no subdomain.
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)
The favicon is linked correctly.

Meta tags

NameValue
descriptionThe Smithsonian’s National Museum of American History preserves our nation’s collections and tells a full and complex history of the United States.
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
twitter:cardsummary
twitter:descriptionThe Smithsonian’s National Museum of American History preserves our nation’s collections and tells a full and complex history of the United States.
twitter:titleNational Museum of American History
twitter:imagehttps://americanhistory.si.edu/sites/default/files/styles/page_hero/public/2024-06/home_header_flag.jpg?h=c74750f6&itok=g99v1pYP
twitter:image:altA large group of people surround a huge US flag in the atrium of the museum
og:typewebsite
og:urlhttps://americanhistory.si.edu/home
og:titleNational Museum of American History
og:descriptionThe Smithsonian’s National Museum of American History preserves our nation’s collections and tells a full and complex history of the United States.
og:imagehttps://americanhistory.si.edu/sites/default/files/styles/page_hero/public/2024-06/home_header_flag.jpg?h=c74750f6&itok=g99v1pYP
og:image:altA large group of people surround a huge US flag in the atrium of the museum
og:updated_time2025-07-14T08:58:38-04:00
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 623 words. That's ok.
28.7% 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.
10 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.86 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 7 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...header_flag.jpg?h=c74750f6&itok=krUmnc9XA large group of people surround a huge US flag in the atrium of the museum
...17-00863_Ed.jpg?h=08b866d1&itok=PxBcTHZyGreensboro lunch counter on display
...16-04767_Ed.jpg?h=8ad5a422&itok=ka22HJfNRound wooden table
...-99811-2_Ed.jpg?h=8ad5a422&itok=8qB122WBSmall silver badge with a carved star and the text: "Niagra F. Co. No. 8 1861 W.P.P."
...0254_Ed_4x3.jpg?h=1fe150a2&itok=bwPFsGfaSign with an illustration of a family and the text "Mary's Center"
...arine Corps.jpg?h=dea648be&itok=KEPUxEnAUS Marine Corps Band Member plays guitar
...ic/2023-02/democracy_f.jpg?itok=AJk_vBQEButton on a blue background with words, American Democracy, A Great Leap of Faith
...ssbheader_0.jpg?h=c74750f6&itok=XhOcD6GNA family looking at an old, large US flag in a dark room
...tions/priceoffreedom_h.jpg?itok=wVyB2DVZEntry to the Price of Freedom exhibition
...ica_govea_1.jpg?h=038a9462&itok=c0Z2XdCwJessica Govea
...ean_sherman.png?h=2a479378&itok=BkSaeHZYSean Sherman during a presentation
...ohn_lewis_1.png?h=2a479378&itok=WnWhZSQ8John Lewis
...martha_raye.png?h=2a479378&itok=vsibTCd8Black and white image of Martha Raye in military uniform
...jean_king_1.png?h=2a479378&itok=ks8TeoI0Bille Jean King at a conference
...th_keckly_2.png?h=2a479378&itok=i3oCHYvGBlack and white illustration of Elizabeth Keckly
...n_mccaine_3.png?h=2a479378&itok=P42aqukdJohn McCain giving a speech
..._yo_yo_ma_1.jpg?h=038a9462&itok=VHbiBoYUYo-Yo Ma
...023-02/votesforwomen_h.jpg?itok=ROoUMaErVisitors with suffrage banners standing with a suffragette historic re-enactor.
...024_800x450.jpg?h=ae1281eb&itok=JeZG6cQ5Donation containers from the March of Dimes, the Jewish National Fund, UNICEF, and an alms box circa 1800
...64_NMAH-AHB2013q013074.jpg?itok=c2mYYIoCWomen suffragists marching while carrying banners.
...2010-258191.jpg?h=c74750f6&itok=IBGDSyPAMetal adding machine with number-filled dials.
...854-0000232.jpg?h=c74750f6&itok=RGfpW16KDiagram sketches on graph paper.

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 35 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 Welcome to American History
H2 Explore Civic Engagement
H2 Featured Events
H2 Dive Into Exhibitions
H2 Meet Civic Changemakers
H2 Donate Today and Make History
H2 Museum Topics
H3 Stories
H3 Objects from the Collections
H3 Declaration of Sentiments Table
H3 William Perry’s badge from the Niagara Fire Company No. 8
H3 Mary's Center Sign
H3 U.S. Marine Corps plays American music
H3 Origem with the Lucini Bros & Friends: The Influence of Brazilian Music on Jazz
H3 Diversión Storytime: "Paletero Man"
H3 Story Time with DCPL
H3 Smithsonian Jazz Masterworks Orchestra - Jazz Rides the Rails
H3 American Democracy
H3 The Star-Spangled Banner
H3 The Price of Freedom
H3 Jessica Govea
H3 Sean Sherman
H3 John Lewis
H3 Martha Raye
H3 Billie Jean King
H3 Elizabeth Keckly
H3 John McCain
H3 Yo-Yo Ma
H3 Philanthropy
H3 Women’s History
H3 Science and Mathematics
H3 Invention and Innovation
H4 A Great Leap of Faith
H4 The Flag That Inspired the National Anthem
H4 Americans at War
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 number of internal links is ok.
None of the anchor texts is too long.
There are 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://americanhistory.si.edu/Anchor Skip to main content
https://www.si.edu/External Subdomain Smithsonian
/explore/topics/american-cultureSubdomain American Culture
/explore/topics/civic-seasonSubdomain Civic Season
/support/donateDonate
https://americanhistory.si.edu/Subdomain National Museum of American History
/visitVisit
/exploreExplore
/collectionsCollections
/educationEducation
/eventsEvents
/supportSupport
/aboutAbout
/searchSearch
/visitPlan Your Visit
/explore/exhibitions/greensbor...Explore Civic Engagement
/explore/exhibitions/greensbor...Visit the Greensboro Lunch Counter
/explore/stories/american-band...More than music: American bands have modeled democracy for centuries
/explore/stories/bernice-johns...Bernice Johnson Reagon’s lessons for living
/explore/topics/latino-history...Verónica Mendez Talks About Jovita Idar: From Storyteller to Activist
/explore/storiesView More Stories
/collections/nmah_529599Subdomain Declaration of Sentiments Table
/explore/stories/african-ameri...Subdomain William Perry’s badge from the Niagara Fire Company No. 8
/collections/object/nmah_2012415Subdomain Mary's Center Sign
/collections/searchBrowse All Collections
/aboutAbout Our Mission
/events/calendar/us-marine-cor...U.S. Marine Corps plays American music
/events/calendar/origem-lucini...Origem with the Lucini Bros & Friends: The Influence of Brazilian Music on Jazz
/events/calendar/diversion-sto...Diversión Storytime: "Paletero Man"
/events/calendar/story-time-dcplStory Time with DCPL
/events/calendar/smithsonian-j...Smithsonian Jazz Masterworks Orchestra - Jazz Rides the Rails
/events/calendarView All Events
/explore/exhibitions/american-...American Democracy
/explore/exhibitions/star-span...The Star-Spangled Banner
/explore/exhibitions/price-of-...The Price of Freedom
/explore/exhibitions?search_ap...Explore All Exhibitions
/explore/topics/latino-history...Jessica Govea
/explore/stories/hyperlocal-ul...Sean Sherman
/explore/stories/john-lewis-an...John Lewis
/explore/stories/maggie-boondo...Martha Raye
https://greatamericans.si.edu/...External Subdomain Billie Jean King
/explore/stories/elizabeth-kec...Elizabeth Keckly
/explore/stories/sailor-states...John McCain
https://greatamericans.si.edu/...External Subdomain Yo-Yo Ma
/supportDonate Today
/explore/topics/philanthropyPhilanthropy
/explore/topics/womens-historyWomen’s History
/explore/topics/science-mathem...Science and Mathematics
/explore/topics/invention-and-...Invention and Innovation
/explore/topicsExplore More Topics
https://americanhistory.si.edu/Text duplicate National Museum of American History
https://www.facebook.com/ameri...External Subdomain Facebook
https://instagram.com/amhistor...External Instagram
https://www.youtube.com/Smiths...External Subdomain YouTube
https://www.google.com/maps/pl...External Subdomain 1300 Constitution Ave NW, Washington, DC 20560
/about/contactContact Information
https://us2.list-manage.com/su...External Subdomain Sign Up For Our Newsletter
/supportText duplicate Donate
https://mailchimp.com/legal/External Privacy Policy & Terms of Use
/pressPress Center
https://www.smithsonianstore.c...External Subdomain Shop Museum Store
https://www.si.edu/External Subdomain Smithsonian Institution
https://www.si.edu/privacyExternal Subdomain Privacy
https://www.si.edu/termsofuseExternal Subdomain Terms of Use
https://americanhistory.si.edu/Anchor A-TITLE Back to top

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://americanhistory.si.edu/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.87 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 page loads 4 CSS files. This may affect the page load time negatively.
This page loads 7 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (53 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
content-length54627
connectionclose
cache-controlmax-age=3600, public
dateWed, 16 Jul 2025 04:40:09 GMT
x-drupal-dynamic-cacheUNCACHEABLE (poor cacheability)
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedWed, 16 Jul 2025 04:40:08 GMT
etag"1752640808"
varyCookie
x-drupal-cacheHIT
referrer-policyno-referrer-when-downgrade
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,468 referring domains.
This page has 6,115 backlinks.
This page has backlinks from 1,104 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
# Custom
Disallow: /*?f
Disallow: /*?search
Disallow: /education*?page
Disallow: /events*?page
Disallow: /about*?page
Disallow: /press*?page
Disallow: /explore*?page
Disallow: /collections/object-groups*?page
Disallow: /collections/archival-collection*?page
Disallow: /collections/archival-collection*?edan_fq
#
User-agent: Nutch
# CSS, JS, Images
Allow: /misc/*.css$
Allow: /misc/*.css?
Allow: /misc/*.js$
Allow: /misc/*.js?
Allow: /misc/*.gif
Allow: /misc/*.jpg
Allow: /misc/*.jpeg
Allow: /misc/*.png
Allow: /modules/*.css$
Allow: /modules/*.css?
Allow: /modules/*.js$
Allow: /modules/*.js?
Allow: /modules/*.gif
Allow: /modules/*.jpg
Allow: /modules/*.jpeg
Allow: /modules/*.png
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /themes/*.css$
Allow: /themes/*.css?
Allow: /themes/*.js$
Allow: /themes/*.js?
Allow: /themes/*.gif
Allow: /themes/*.jpg
Allow: /themes/*.jpeg
Allow: /themes/*.png
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /INSTALL.sqlite.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=filter/tips/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
Disallow: /?q=user/logout/
# Custom
Disallow: /*?f
Disallow: /*?search
Disallow: /education*?page
Disallow: /events*?page
Disallow: /about*?page
Disallow: /press*?page
Disallow: /explore*?page
Disallow: /collections/object-groups*?page
Disallow: /collections/object/nmah_*
Disallow: /collections/archival-collection*
Disallow: /collections/archival-item*
Disallow: /es/
Disallow: /fr/
Disallow: /de/
Disallow: /ru/
Disallow: /ar/
Disallow: /zh-hans/
Disallow: /ja/
Disallow: /ko/
# Sitemaps
Sitemap: https://americanhistory.si.edu/sitemap.xml
Sitemap: https://americanhistory.si.edu/rids.sitemap.xml
Sitemap: https://americanhistory.si.edu/becoming-us/sitemap.xml
Sitemap: https://americanhistory.si.edu/becoming-us/es/sitemap.xml

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americanhistory.si.edu
Home | National Museum of American History
The Smithsonian’s National Museum of American History preserves our nation’s collections and tells a full and complex history of the United States.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
History81%Check
American History80%Check
American79%Check
History Museum75%Check
Museum68%Check
nation68%Check
National Museum66%Check
complex history65%Check
National63%Check
African American58%Check
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