Encyclopedia.ushmm.org - SEO Checker

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Overview of the SEO Check
Meta information
81% 
Page quality
79% 
Page structure
71% 
Link structure
86% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.03 s
File size
65.10 kB
Words
532
Media files
17
Number of links
65 internal / 28 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Holocaust Encyclopedia | United States Holocaust Memorial Museum
The page title should be shorter than 580 pixels. It is 621 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The Holocaust was the state-sponsored systematic persecution and annihilation of European Jews by Nazi Germany between 1933 and 1945. Start learning today.
The meta description is too long: 1003 pixels from max. 1000 pixels. Optimize description
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)
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
descriptionThe Holocaust was the state-sponsored systematic persecution and annihilation of European Jews by Nazi Germany between 1933 and 1945. Start learning today.
langen
twitter:titleHolocaust Encyclopedia
twitter:cardsummary_large_image
twitter:image/images/large/ghettos.jpeg
twitter:site@HolocaustMuseum
og:urlhttps://encyclopedia.ushmm.org/en
og:titleHolocaust Encyclopedia
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 532 words. That's ok.
28.2% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 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 18.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
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 11 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
/images/USHMM_WhiteWhite.pngUS Holocaust Memorial Museum
/images/nav-logos/mobile/en.pngHolocaust Encyclopedia
/images/USHMM_WhiteWhite.pngUnited States Holocaust Memorial Museum logo

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Search the Holocaust Encyclopedia
H2 Glossary
H2 Search the Holocaust Encyclopedia Duplicate text
H2 Genocide of European Roma (Gypsies), 1939–1945
H2 Explore the Encyclopedia
H3 Must Reads
H4 ID Cards
H4 Timeline of Events
H4 Discussion Questions
H5 Featured Article
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
H5 Empty heading
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (28) on this page.

Found links on this page

LinkAttributesAnchor text
https://encyclopedia.ushmm.org/arSubdomain عربي
https://encyclopedia.ushmm.org/zhSubdomain 简体中文
https://encyclopedia.ushmm.org/faSubdomain فارسی
https://encyclopedia.ushmm.org/frSubdomain Français
https://encyclopedia.ushmm.org/deSubdomain Deutsch
https://encyclopedia.ushmm.org/elSubdomain Ελληνικά
https://encyclopedia.ushmm.org/hiSubdomain Hindi
https://encyclopedia.ushmm.org/huSubdomain Magyar
https://encyclopedia.ushmm.org/idSubdomain Bahasa Indonesia
https://encyclopedia.ushmm.org/itSubdomain Italiano
https://encyclopedia.ushmm.org/jaSubdomain 日本語
https://encyclopedia.ushmm.org/koSubdomain 한국어
https://encyclopedia.ushmm.org/plSubdomain Polski
/pt-brSubdomain Português do Brasil
https://encyclopedia.ushmm.org/ruSubdomain русский
https://encyclopedia.ushmm.org/esSubdomain Español
https://encyclopedia.ushmm.org/trSubdomain Türkçe
https://encyclopedia.ushmm.org/ukSubdomain Українська
https://encyclopedia.ushmm.org/urSubdomain اُردو
/landing/en/tagsSubdomain Tags Find topics of interest and explore encyclopedia content related to those topics
/en/a-z/landingSubdomain Browse A-Z Find articles, photos, maps, films, and more listed alphabetically
/content/en/article/an-overvie...Subdomain For Teachers Recommended resources and topics if you have limited time to teach about the Holocaust
/landing/en/id-cardsSubdomain ID Cards Explore the ID Cards to learn more about personal experiences during the Holocaust
/content/en/timeline/holocaustSubdomain Timeline of Events Explore a timeline of events that occurred before, during, and after the Holocaust.
/content/en/article/introducti...Subdomain Introduction to the Holocaust
/content/en/article/antisemitismSubdomain Antisemitism
/content/en/article/documentin...Subdomain How Many People did the Nazis Murder?
/content/en/article/book-burningSubdomain Book Burning
/content/en/article/german-inv...Subdomain German Invasion of Western Europe, May 1940
/content/en/article/voyage-of-...Subdomain Voyage of the St. Louis
/content/en/article/genocide-o...Subdomain Genocide of European Roma (Gypsies), 1939–1945
/content/en/article/the-holoca...Subdomain The Holocaust and World War II: Key Dates
/content/en/article/liberation...Subdomain Liberation of Nazi Camps
/en/aboutSubdomain About This Site
/en/glossarySubdomain Full Glossary
https://www.ushmm.org/New window External Subdomain IMG-ALT US Holocaust Memorial Museum
/content/en/article/introducti...Subdomain Text duplicate Introduction to the Holocaust
/content/en/article/antisemitismSubdomain Text duplicate Antisemitism
/content/en/article/documentin...Subdomain Text duplicate How Many People did the Nazis Murder?
/content/en/article/book-burningSubdomain Text duplicate Book Burning
/content/en/article/german-inv...Subdomain Text duplicate German Invasion of Western Europe, May 1940
/content/en/article/voyage-of-...Subdomain Text duplicate Voyage of the St. Louis
/content/en/article/genocide-o...Subdomain Text duplicate Genocide of European Roma (Gypsies), 1939–1945
/content/en/article/the-holoca...Subdomain Text duplicate The Holocaust and World War II: Key Dates
/content/en/article/liberation...Subdomain Text duplicate Liberation of Nazi Camps
https://encyclopedia.ushmm.org/enSubdomain A-TITLE Home
https://encyclopedia.ushmm.org/enSubdomain IMG-ALT Holocaust Encyclopedia
/en/aboutSubdomain View the list of all donors
/content/en/article/genocide-o...Subdomain IMG-ALT Deportation of Romani (Gypsy) families from Vienna to Poland. [LCID: 22005]
/content/en/article/genocide-o...Subdomain Text duplicate Genocide of European Roma (Gypsies), 1939–1945
/content/en/article/introducti...Subdomain Article Introduction to the Holocaust
IMG-ALT Jews from Subcarpathian Rus get off the deportation train and assemble on the ramp at Auschwitz-Birkenau. May 1944.
/content/en/article/antisemitismSubdomain Article Antisemitism
IMG-ALT Illustration from an antisemitic children's primer. [LCID: 10640c]
/content/en/article/documentin...Subdomain Article How Many People did the Nazis Murder?
IMG-ALT Chief Prosecutor Benjamin Ferencz presents evidence during the Einsatzgruppen Trial. [LCID: 09918]
/content/en/article/book-burningSubdomain Article Book Burning
IMG-ALT Public burning of "un-German" books in the Opernplatz. [LCID: 70137]
/content/en/article/german-inv...Subdomain Article German Invasion of Western Europe, May 1940
IMG-ALT German troops march into Paris. France, June 1940. [LCID: 08369]
/content/en/article/voyage-of-...Subdomain Article Voyage of the St. Louis
IMG-ALT Refugees aboard the "St. Louis" wait to hear whether Cuba will grant them entry. [LCID: 44112]
/content/en/article/genocide-o...Subdomain Article Genocide of European Roma (Gypsies), 1939–1945
IMG-ALT Deportation of Romani (Gypsy) families from Vienna to Poland. [LCID: 22005]
/content/en/article/the-holoca...Subdomain Article The Holocaust and World War II: Key Dates
IMG-ALT German infantry during the invasion of the Soviet Union in 1941. [LCID: 15582]
/content/en/article/liberation...Subdomain Article Liberation of Nazi Camps
IMG-ALT Mauthausen survivors cheer the soldiers of the Eleventh Armored Division of the US Third Army one day after their liberation
/landing/en/id-cardsSubdomain IMG-ALT Overview item image
/landing/en/id-cardsSubdomain ID Cards
/content/en/timeline/holocaustSubdomain Text duplicate IMG-ALT Overview item image
/content/en/timeline/holocaustSubdomain Timeline of Events
/en/questions/landingSubdomain Text duplicate IMG-ALT Overview item image
/en/questions/landingSubdomain Discussion Questions
https://docs.google.com/forms/...New window External Subdomain Feedback
https://www.ushmm.org/External Subdomain IMG-ALT United States Holocaust Memorial Museum logo
https://plus.google.com/100561...External Subdomain No Text
https://www.ushmm.org/informat...External Subdomain Plan Your Visit
https://www.ushmm.org/informat...External Subdomain Current Exhibitions
https://www.ushmm.org/online-c...External Subdomain Calendar of Events
https://www.ushmm.org/supportExternal Subdomain Support the Museum
https://donate.ushmm.org/6hRw6...External Subdomain Donate
https://www.ushmm.org/learnExternal Subdomain Learn
https://www.ushmm.org/teachExternal Subdomain Teach
https://www.ushmm.org/collecti...External Subdomain Collections
https://www.ushmm.org/researchExternal Subdomain Academic Research
https://www.ushmm.org/rememberExternal Subdomain Remember Survivors and Victims
https://www.ushmm.org/genocide...External Subdomain Genocide Prevention
https://www.ushmm.org/antisemi...External Subdomain Antisemitism and Holocaust Denial
https://www.ushmm.org/professi...External Subdomain Outreach
https://encyclopedia.ushmm.org/Subdomain Text duplicate Holocaust Encyclopedia
https://collections.ushmm.org/External Subdomain Collections Search
https://www.ushmm.org/remember...External Subdomain Holocaust Survivors and Victims Resource Center
https://newspapers.ushmm.org/External Subdomain History Unfolded
https://perspectives.ushmm.org/External Subdomain Experiencing History
https://earlywarningproject.us...External Subdomain Early Warning Project
https://www.ushmm.org/informat...External Subdomain ABOUT THE MUSEUM
https://www.ushmm.org/informat...External Subdomain CONTACT THE MUSEUM
https://www.ushmm.org/copyrigh...External Subdomain TERMS OF USE
https://www.ushmm.org/copyrigh...External Subdomain PRIVACY
https://www.ushmm.org/informat...External Subdomain ACCESSIBILITY
https://www.ushmm.org/copyrigh...External Subdomain LEGAL

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://encyclopedia.ushmm.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.03 seconds.
The file size of the HTML document is fine (65 kB).

HTTP Response Header

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content-typetext/html; charset=UTF-8
content-length8978
servernginx
dateThu, 09 May 2024 05:26:49 GMT
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content-encodinggzip
varyAccept-Encoding
x-cacheHit from cloudfront
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statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 16,677 referring domains.
This page has 2,362,969 backlinks.
This page has backlinks from 8,553 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

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Robots.txt

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Allow: /

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encyclopedia.ushmm.org
Holocaust Encyclopedia | United States Holocaust Memorial Museum
The Holocaust was the state-sponsored systematic persecution and annihilation of European Jews by Nazi Germany between 1933 and 1945. Start learning today.

Most important keywords

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

KeywordResultRecheck
Encyclopedia70%Check
Holocaust68%Check
Holocaust Encyclopedia68%Check
explore encyclopedia55%Check
European50%Check
German48%Check
learn46%Check
Nazi46%Check
ID Cards45%Check
European Roma45%Check
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