Historicsites.heritage.org - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
50% 
Page structure
100% 
Link structure
92% 
Server
75% 
External factors
100% 
SEO Score
Response time
0.93 s
File size
116.50 kB
Words
249
Media files
6
Number of links
10 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Heritage Guide to Historic Sites | The Heritage Foundation
The length of the page title is perfect. (519 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Explore America's most treasured historic sites with the Heritage Guide to Historic Sites that assesses sites based on historical accuracy and comprehension, proportionality, and ideological bias for a fuller experience. From @HeritageDataviz. From @HeritageDataviz
The meta description is too long: 1644 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://historicsites.heritage.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
viewportwidth=device-width, initial-scale=1.0, shrink-to-fit=no
titleThe Heritage Foundation's Guide to Historic Sites
authorThe Heritage Foundation
descriptionExplore America's most treasured historic sites with the Heritage Guide to Historic Sites that assesses sites based on historical accuracy and comprehension, proportionality, and ideological bias for a fuller experience. From @HeritageDataviz. From @HeritageDataviz
keywordsHistory, American History, Historic Sites, Heritage, Cultural Landmarks, Historical Accuracy, Heritage Foundation, The Heritage Foundation, Historic Preservation, American Heritage, History Guide, Museums, National Parks, Historic Landmarks, Cultural Heritage, History Education, Heritage Tourism, American Heritage Sites
referrerorigin
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
generatorWordPress 7.1.2
article:modified_time2026-07-23T18:43:27+00:00
langen-us
twitter:cardsummary_large_image
twitter:site@heritage
twitter:creator@heritage
twitter:hashtagEmpty
twitter:titleThe Heritage Foundation's Guide to Historic Sites
twitter:descriptionExplore America's most treasured historic sites with the Heritage Guide to Historic Sites that assesses sites based on historical accuracy and comprehension, proportionality, and ideological bias for a fuller experience. From @HeritageDataviz. From @HeritageDataviz
twitter:imagehttps://historicsites.heritage.org/wp-content/uploads/2026/02/heritage-guide-to-historic-sites-card_twitter.jpg
fb:app_id380768468969117
og:titleHome - Heritage Guide to Historic Sites
og:typewebsite
og:imagehttps://historicsites.heritage.org/wp-content/uploads/2026/02/heritage-guide-to-historic-sites-card_og.png
og:urlhttps://historicsites.heritage.org/
og:descriptionLooking for the Kids’ Activity Book? Curious about the Guide’s Findings?
og:site_nameHeritage Guide to Historic Sites
og:localeen_US
charsetutf-8

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Page quality

Content
(Critically important)
There are only 249 words on this page. Use at least 250 words to provide useful information.
38.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16.56 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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
...mages/backgrounds/thf-logo-full-blue.pngheritage logo
...12/gettysburg-national-military-park.jpgGettysburg National Military Park photo
...t/uploads/2025/12/mark-twain-house-1.jpgMark Twain House photo
...2025/12/national-constitution-center.jpgNational Constitution Center photo
/wp-content/uploads/2025/12/The-Alamo.jpegThe Alamo photo
...mages/backgrounds/thf-logo-full-blue.pngheritage logo

Page structure

H1 heading
(Critically important)
The Heritage Guide to Historic Sites
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 The Heritage Guide to Historic Sites
H2 Reviewed Sites
H3 Looking for the Kids’ Activity Book?
H3 Curious about the Guide’s Findings?
H3 Displaying 0 Sites
H4 About the Historic Accuracy Ratings
H5 Gettysburg National Military Park
H5 Mark Twain House & Museum
H5 National Constitution Center
H5 The Alamo
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://heritage.org/External IMG-ALT heritage logo
/Map
/about/Subdomain About
/endorsersEndorsers
https://secured.heritage.org/h...External Subdomain Donate
/Text duplicate Map
/about/Subdomain Text duplicate About
/endorsersText duplicate Endorsers
https://secured.heritage.org/h...External Subdomain Text duplicate Donate
/site/gettysburg-national-mili...Subdomain Gettysburg National Military Park Site of the turning point of the Civil War and battle with the highest number casualties of that war
IMG-ALT Gettysburg National Military Park photo
/site/mark-twain-house/Subdomain Mark Twain House & Museum Home of the American author and his family from 1874 to 1891, where he produced many of his influential works
IMG-ALT Mark Twain House photo
/site/national-constitution-ce...Subdomain National Constitution Center Only national museum devoted to the U.S. Constitution, exploring its history, principles, and continuing significance.
IMG-ALT National Constitution Center photo
/site/the-alamo/Subdomain The Alamo Former Spanish mission and site of the pivotal 1836 Battle of the Alamo during the Texas Revolution
IMG-ALT The Alamo photo
https://secured.heritage.org/h...New window External Subdomain Get Your Copy Today!
https://www.heritage.org/educa...New window External Subdomain Read the Special Report
https://heritage.org/External Text duplicate IMG-ALT heritage logo
https://www.heritage.org/artic...New window External Subdomain Copyright
https://www.heritage.org/priva...New window External Subdomain Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://historicsites.heritage.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.93 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.
The file size of the HTML document is fine (117 kB).

HTTP Response Header

NameValue
dateMon, 26 Oct 2026 18:14:13 GMT
content-typetext/html; charset=UTF-8
cache-controlpublic, max-age=604800
server-timingcfCacheStatus;desc="DYNAMIC"
content-security-policyconnect-src 'self' analytics.google.com region1.analytics.google.com region1.google-analytics.com www.google-analytics.com bttrack.com stats.g.doubleclick.net ad.doubleclick.net www.facebook.com www.google.com www.googletagmanager.com www.googleadservices.com heritage.formstack.com ov-1d104299d2a447049cdc73700c9309f7.ecs.us-west-2.on.aws bded8a3c6ae-1-1053047382554.us-central1.run.app cdn.jsdelivr.net bat.bing.com ct.pinterest.com px.ads.linkedin.com pagead2.googlesyndication.com r.clarity.ms; font-src 'self' fonts.gstatic.com static.formstack.com data:; img-src 'self' data: blob: www.facebook.com www.googletagmanager.com stats.g.doubleclick.net server.arcgisonline.com unpkg.com www.google.com www.googleadservices.com i.ytimg.com a.tile.openstreetmap.org b.tile.openstreetmap.org c.tile.openstreetmap.org connect.facebook.net bat.bing.com px.ads.linkedin.com click.heritage.org fonts.gstatic.com; frame-src www.facebook.com www.googletagmanager.com www.youtube.com; script-src 'self' 'unsafe-eval'; script-src-attr 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline' www.googletagmanager.com assets.ubembed.com 23fb6d9ba3f348d2b885dfa43ec08ab4.js.ubembed.com connect.facebook.net cdn.bttrack.com bttrack.com static.cloudflareinsights.com cdn.jsdelivr.net d3js.org unpkg.com www.youtube.com heritage.formstack.com static.formstack.com bat.bing.com www.google-analytics.com s.pinimg.com snap.licdn.com; style-src-attr 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline' fonts.googleapis.com cdn.jsdelivr.net unpkg.com www.gstatic.com; media-src 'self' data:; worker-src blob:; default-src 'self' ov-1d104299d2a447049cdc73700c9309f7.ecs.us-west-2.on.aws unpkg.com cdn.jsdelivr.net; form-action 'self' heritage.formstack.com static.formstack.com; upgrade-insecure-requests; frame-ancestors 'self'; report-uri https://8c37c96dd56fc1636efaa7c696b33db2.report-uri.com/r/t/csp/enforce
link<https://historicsites.heritage.org/wp-json/>; rel="https://api.w.org/"
permissions-policyaccelerometer=(), autoplay=(), camera=(), fullscreen=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), sync-xhr=(), usb=()
referrer-policyno-referrer-when-downgrade
servercloudflare
strict-transport-securitymax-age=15552000; includeSubDomains; preload
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-pantheon-styx-hostnamestyx-us-a-fbbcf58dd-rstp7
x-styx-req-ide4d0c69c-d145-11f1-8b7b-7e584bbb14f3
x-served-bycache-chi-kmdw8640053-CHI, cache-lcy-eglc8600063-LCY
x-cacheMISS, HIT
x-cache-hits0, 0
x-timerS1793038454.694265,VS0,VE7
varyAccept-Encoding, Cookie, Cookie
age15098
via1.1 varnish, 1.1 varnish
cf-cache-statusDYNAMIC
content-encodingbr
cf-raya50b707f386f3d5d-CDG
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 41 referring domains.
This page has 541 backlinks.
This page has backlinks from 37 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://historicsites.heritage.org/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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Search preview

historicsites.heritage.org
Heritage Guide to Historic Sites | The Heritage Foundation
Explore America's most treasured historic sites with the Heritage Guide to Historic Sites that assesses sites based on historical accuracy and comprehension, proportionality, and ideological bias for a fuller experience. From @HeritageDataviz. From @HeritageDataviz

Most important keywords

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

KeywordResultRecheck
Sites95%Check
Historic95%Check
Historic Sites95%Check
Heritage93%Check
Heritage Guide Historic Sites92%Check
Guide82%Check
Heritage Foundation72%Check
American Heritage66%Check
Accuracy55%Check
America51%Check
Show more keywords and terms

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