Arolsen-archives.org - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
85% 
Page structure
97% 
Link structure
38% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.09 s
File size
496.60 kB
Words
959
Media files
53
Number of links
112 internal / 33 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Arolsen Archives - International Center on Nazi Persecution
The length of the page title is perfect. (532 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://arolsen-archives.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-de
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 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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
article:modified_time2025-12-15T09:57:05+00:00
langde-de
twitter:cardsummary_large_image
og:localede_DE
og:locale:alternateuk_UA
og:typewebsite
og:titleArolsen Archives - International Center on Nazi Persecution
og:descriptionUnsere Projekte und Initiativen News, Events, Storys und Dossiers Arolsen Archives im Social Web Häufig gefragt
og:urlhttps://arolsen-archives.org/
og:site_nameArolsen Archives
og:imagehttps://arolsen-archives.org/content/uploads/Aroa_Presse.jpg
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 959 words. That's ok.
31.5% 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.
24 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 11.02 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
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 following tag is repeated too often: arolsen archives
Image SEO
(Somewhat important)
39 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...ds/new-information-e-guide-1-327x192.jpgNo alt attribute provided
/content/uploads/Online-Archiv3-327x192.jpgNo alt attribute provided
...ent/uploads/Album_Buchenwald-327x192.jpgNo alt attribute provided
...loads/Geschichte-Bad-Arolsen-327x192.jpgNo alt attribute provided
...uploads/bild1-e1715674775347-327x192.jpgNo alt attribute provided
/content/uploads/DSC0808-327x192.jpgNo alt attribute provided
...ads/tk10467_1785_lr-scaled-1-327x192.jpgNo alt attribute provided
...9_EveryName_Counts_Fotos-2-2-327x192.jpgNo alt attribute provided
...Archiv_ArolsenArchives_gross-327x192.jpgNo alt attribute provided
...JohGr_Oswiecim_20190904_21-2-327x192.jpgNo alt attribute provided
/content/uploads/ITS2969-3-327x192.jpgNo alt attribute provided
...s/Angebot-fuer-Forscherinnen-327x192.jpgNo alt attribute provided
...irektorin_Arlosen_Archives-410x204-c.jpgNo alt attribute provided
...irektorin_Arlosen_Archives-312x480-c.jpgNo alt attribute provided
...rte_Bigus_Arolsen_Archives-410x204-c.jpgNo alt attribute provided
...rte_Bigus_Arolsen_Archives-312x480-c.jpgNo alt attribute provided
.../uploads/Collage_3770985-1-410x204-c.jpgNo alt attribute provided
.../uploads/Collage_3770985-1-312x480-c.jpgNo alt attribute provided
...ads/Tim_Goldmann_Portraet2-410x204-c.jpgNo alt attribute provided
...ads/Tim_Goldmann_Portraet2-312x480-c.jpgNo alt attribute provided
...orgiu_Wassilios_170524-4-1-410x204-c.jpgNo alt attribute provided
...orgiu_Wassilios_170524-4-1-312x480-c.jpgNo alt attribute provided
...ge-Kaethe_Leichter_Maerz-1-410x204-c.jpgNo alt attribute provided
...ge-Kaethe_Leichter_Maerz-1-312x480-c.jpgNo alt attribute provided
...on_Hannah_Brinkmann_2025-2-410x204-c.jpgNo alt attribute provided
...on_Hannah_Brinkmann_2025-2-312x480-c.jpgNo alt attribute provided
.../Stadelheim-Propagandabild-410x204-c.pngNo alt attribute provided
.../Stadelheim-Propagandabild-312x480-c.pngNo alt attribute provided
...ords-dreh-anja_signitzer-1-410x204-c.jpgNo alt attribute provided
...ords-dreh-anja_signitzer-1-312x480-c.jpgNo alt attribute provided
/content/uploads/Aroa_Presse-546x364.jpgNo alt attribute provided
...8d6-686020cc2214/382184642.jpg?width=480No alt attribute provided
...8d6-686020cc2214/382184643.jpg?width=480No alt attribute provided
...8d6-686020cc2214/382125328.jpg?width=480No alt attribute provided
...8d6-686020cc2214/381977547.jpg?width=480No alt attribute provided
...8d6-686020cc2214/381974703.jpg?width=480No alt attribute provided
...8d6-686020cc2214/381975078.jpg?width=480No alt attribute provided
...8d6-686020cc2214/381924152.jpg?width=480No alt attribute provided
...8d6-686020cc2214/381924153.jpg?width=480No alt attribute provided
/content/uploads/unesco.svgUNESCO Weldokumentenerbe
/content/uploads/auswaertiges-amt.svgAuswärtiges Amt
Video URLWidthHeight
/content/uploads/Startseiten_Film.mp4
...line_Archiv_15Skeunden_Deutsch_klein.mp4
/content/uploads/arolsenschool_website.mp4
/content/uploads/enc-neu2.mp4
...enmemory_leuven_2023.mp4-1080p_klein.mp4
...oads/YouTube-Website_mehrere-Formate.mp4
...t/uploads/251007_anja_snippet-720p-1.mp4
...nt/uploads/Video_Newsroom_Startseite.mp4

Page structure

H1 heading
(Critically important)
Arolsen Archives
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Arolsen Archives
H2 Unsere Projekte und Initiativen
H2 News, Events, Storys und Dossiers
H2 Unser Newsroom
H2 Arolsen Archives im Social Web
H2 Häufig gefragt
H3 Was sind die Arolsen Archives und ihre Aufgaben?
H3 Wer kann sich an die Arolsen Archives wenden?
H3 Gibt es den Internationalen Suchdienst oder International Tracing Service nicht mehr?
H3 Warum ist das Archiv in Bad Arolsen?
Some internal link anchor texts are too long.
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.
There are too many external links (33) on this page.

Found links on this page

LinkAttributesAnchor text
https://arolsen-archives.org/Anchor zum Inhalt springen
https://arolsen-archives.org/No Text
/archiv/Archiv
/archiv/online-suche/Online-Suche
/archiv/anfrage/Anfrage
https://arolsenarchives.my.sit...New window External Subdomain Anfrageformular
/archiv/recherchehilfen/Recherchehilfen
/archiv/blick-in-die-sammlung/Blick in die Sammlung
/archiv/forschung/Forschung
https://eguide.arolsen-archive...New window External Subdomain Zum e-Guide
https://collections.arolsen-ar...New window External Subdomain Zum Online-Archiv
/themen/Themen
/themen/news-events/News & Events
/themen/dossiers/Dossiers
/themen/storys/Storys
/dossiers/80-jahre-befreiung-p...80 Jahre Befreiung
/story/bad-arolsen-der-ns-gesc...Bad Arolsen in der NS-Geschichte
/materialien/Materialien
/materialien/flyer-broschueren/Flyer & Broschüren
/materialien/schule-bildung/Schule & Bildung
/materialien/forschungspublika...Forschungspublikationen
/materialien/studien/Studien
/materialien/jahresberichte/Jahresberichte
/materialien/nutzungsbedingungen/Nutzungsbedingungen
/mitmachen/arolsen-school/inte...Digitale Bildungsangebote
https://collections.arolsen-ar...New window External Subdomain Text duplicate Zum Online-Archiv
/mitmachen/Mitmachen
/mitmachen/everynamecounts/#everynamecounts
/mitmachen/everynamecounts/pro...Projekte in Schulen
/mitmachen/everynamecounts/cor...Corporate Social Responsibility
/mitmachen/everynamecounts/eng...Engagement im politischen Umfeld
/mitmachen/everynamecounts/pro...Prominente Unterstützung
/mitmachen/stolenmemory/#StolenMemory
/mitmachen/stolenmemory/was-is...Was ist #StolenMemory
/mitmachen/stolenmemory/die-wa...Die Wanderausstellung
/mitmachen/stolenmemory/infos-...Infos für Freiwillige
/mitmachen/stolenmemory/bildun...Bildungsprojekte
/mitmachen/stolenmemory/online...Online- & Plakatausstellungen
/mitmachen/lostwords/#lostwords
/mitmachen/lostwords/ueber-los...Über #lostwords
/mitmachen/lostwords/gelesene-...Gelesene Briefe
/mitmachen/lostwords/die-suche...Die Suche nach Angehörigen
/mitmachen/lostwords/die-hinri...Die Hinrichtungsakten
/mitmachen/lostwords/todesurte...Todesurteile im Namen der NS-Justiz
/mitmachen/lostwords/eine-init...Eine Initiative – viele Partner
/mitmachen/arolsen-school/arolsen school
/mitmachen/arolsen-school/bild...Bildungsplattform
/mitmachen/arolsen-school/unte...Unterstützung für den Unterricht
/mitmachen/arolsen-school/so-a...So arbeiten wir
/mitmachen/arolsen-school/lebe...Lebendige Erinnerung vor Ort
/mitmachen/arolsen-school/grap...Graphic Novel – Wo ist Lotte?
/mitmachen/suchaufrufe/Suchaufrufe
/mitmachen/spenden/Spenden
/news/jugendlichen-zeigen-was-...Jugendliche und Geschichte
/news/everynamecounts-der-sc-f...Text duplicate #everynamecounts
/ueber-uns/Über uns
/ueber-uns/kurzportraet/Kurzporträt
/ueber-uns/jobs/Jobs
/ueber-uns/unser-team/Unser Team
/dossiers/datenschutz/Infos zum Datenschutz
/ueber-uns/kurzportrat/outreac...Outreach Mittelosteuropa
/kontakt/Kontakt
/kontakt/besuch/Besuch
/kontakt/ausstellungen/Ausstellungen
/kontakt/presse/Presse
/kontakt/presse/pressefotos/Pressefotos
/kontakt/formular/?subject=pressAnchor Pressekontakt
/kontakt/newsletter/Newsletter
/kontakt/besuch/Besuchen Sie uns
/archiv/forschung/Angebot für Forschung
https://arolsen-archives.org/Deutsch
https://arolsen-archives.org/en/English
https://arolsen-archives.org/fr/Français
https://arolsen-archives.org/pl/Polski
https://arolsen-archives.org/ru/Русский
https://arolsen-archives.org/es/Español
https://arolsen-archives.org/it/Italiano
https://arolsen-archives.org/uk/Українська
https://eguide.arolsen-archive...New window External Subdomain Text duplicate Zum e-Guide
https://collections.arolsen-ar...New window External Subdomain Text duplicate Zum Online-Archiv
/themen/Text duplicate Themen
/dossiers/80-jahre-befreiung-p...Text duplicate 80 Jahre Befreiung
/story/bad-arolsen-der-ns-gesc...Text duplicate Bad Arolsen in der NS-Geschichte
/materialien/Text duplicate Materialien
/mitmachen/arolsen-school/inte...Text duplicate Digitale Bildungsangebote
https://collections.arolsen-ar...New window External Subdomain Text duplicate Zum Online-Archiv
/mitmachen/Text duplicate Mitmachen
/news/jugendlichen-zeigen-was-...Text duplicate Jugendliche und Geschichte
/news/everynamecounts-der-sc-f...Text duplicate #everynamecounts
/ueber-uns/Text duplicate Über uns
/dossiers/datenschutz/Text duplicate Infos zum Datenschutz
/ueber-uns/kurzportrat/outreac...Text duplicate Outreach Mittelosteuropa
/kontakt/Text duplicate Kontakt
/kontakt/besuch/Text duplicate Besuchen Sie uns
/archiv/forschung/Text duplicate Angebot für Forschung
https://everynamecounts.arolse...External Subdomain Text duplicate #everynamecounts
https://education.arolsen-arch...External Subdomain Text duplicate Bildungsplattform
https://collections.arolsen-ar...New window External Subdomain Online Archiv
/?s=Online-ArchivOnline-Archiv
/?s=e-Guidee-Guide
/?s=#everynamecountsText duplicate #everynamecounts
/?s=#StolenMemoryText duplicate #StolenMemory
/?s=arolsen+schoolText duplicate arolsen school
https://arolsen-archives.org/Text duplicate Deutsch
https://arolsen-archives.org/en/Text duplicate English
https://arolsen-archives.org/fr/Text duplicate Français
https://arolsen-archives.org/pl/Text duplicate Polski
https://arolsen-archives.org/ru/Text duplicate Русский
https://arolsen-archives.org/es/Text duplicate Español
https://arolsen-archives.org/it/Text duplicate Italiano
https://arolsen-archives.org/uk/Text duplicate Українська
https://collections.arolsen-ar...New window External Subdomain Im Online-Archiv suchen
https://collections.arolsen-ar...New window External Subdomain Online-Archiv Nutzen Sie unser Online-Archiv mit über 40 Millionen Dokumenten für Ihre Recherchen zu NS-Verfolgten.
/mitmachen/arolsen-school/arolsen school Die Bildungsplattform von arolsen school bietet spannende Anreize, sich mit Fragen aus Geschichte und Gegenwart zu beschäftigen.
https://everynamecounts.arolse...New window External Subdomain #everynamecounts Hunderttausende Freiwillige helfen uns dabei, die Namen und Daten von NS-Opfern zu digitalisieren. Jetzt mitmachen!
/mitmachen/stolenmemory/#StolenMemory Ausstellung und Initiative: Wir geben persönliche Gegenstände an die Familien von KZ-Inhaftierten zurück.
https://www.youtube.com/@gesch...New window External Subdomain YouTube True Crime, Generationengespräch oder Straßenquiz: Auf unserem YouTube-Kanal klären wir über die NS-Zeit und heutigen Rechtsextremismus auf.
/mitmachen/lostwords/#lostwords Abschiedsbriefe, die nie ankamen: Wir suchen nach Familien von Menschen, die in München Stadelheim hingerichtet wurden.
/kontakt/presse/Zum Pressebereich
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-15T14:13:52+00:00 Bei einem antisemitischen Anschlag in Sydney sind gestern Abend, zu Beginn von Chanukka, mindestens 15 Men...
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-15T14:11:37+00:00 At least 15 people were killed last night in an antisemitic gun attack in Sydney at an event marking the ...
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-14T10:37:53+00:00 Heute vor 85 Jahren deportierten die Nationalsozialisten im Rahmen der sogenannten Intelligenz-Aktion zahl...
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-11T15:00:20+00:00 „Man hatte immer Angst“, erinnert sich Irene Butter an ihre Zeit in nationalsozialistischen Konzentrations...
https://www.instagram.com/reel...New window Nofollow External Subdomain Instagram arolsenarchives 2025-12-11T14:01:49+00:00 Herzlichen Glückwunsch zum Geburtstag! Heute, am 11. Dezember 2025, wird Irene Butter (geborene Hasenberg...
https://www.tiktok.com/@arolse...New window Nofollow External Subdomain Tiktok arolsenarchives 2025-12-11T14:00:00+00:00 @arolsenarchives Herzlichen Glückwunsch zum Geburtstag! Heute, am 11. Dezember 2025, wird Irene Butter (gebo...
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-10T16:05:27+00:00
https://www.facebook.com/20075...New window Nofollow External Subdomain Facebook arolsenarchives 2025-12-10T15:53:47+00:00 Am Tag der Menschenrechte fragen wir: Was treibt dich an, dich gegen Diskriminierung, Rassismus und Antise...
https://www.facebook.com/arols...New window External Subdomain No Text
https://www.instagram.com/arol...New window External Subdomain No Text
https://www.threads.net/@arols...New window External Subdomain No Text
https://de.linkedin.com/compan...New window External Subdomain No Text
https://www.tiktok.com/@arolse...New window External Subdomain No Text
https://bsky.app/profile/arols...New window External No Text
https://www.youtube.com/channe...New window External Subdomain No Text
/kontakt/Text duplicate Kontakt
https://collections.arolsen-ar...New window External Subdomain Text duplicate Online-Archiv
/archiv/forschung/Text duplicate Forschung
https://stolenmemory.org/New window External Text duplicate #StolenMemory
https://school.arolsen-archive...New window External Subdomain Text duplicate arolsen school
https://everynamecounts.arolse...New window External Subdomain Text duplicate #everynamecounts
/kontakt/presse/Presseinfos
/kontakt/?subject=pressAnchor Text duplicate Pressekontakt
/impressum/Impressum
/datenschutz/Datenschutz
/materialien/nutzungsbedingung...Netiquette

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://arolsen-archives.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 is excellent with 0.09 seconds.
The file size of the HTML document is fine (497 kB).

HTTP Response Header

NameValue
x-cache-handlercache-enabler-engine
x-frame-optionsSAMEORIGIN
cache-controlmax-age=0
expiresSun, 21 Dec 2025 06:44:25 GMT
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=31536000
x-xss-protection1; mode=block
x-content-type-optionsnosniff
content-typetext/html; charset=utf-8
dateSun, 21 Dec 2025 06:44:25 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 637 referring domains.
This page has 47,586 backlinks.
This page has backlinks from 441 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp/wp-admin/
Allow: /wp/wp-admin/admin-ajax.php
Disallow: /*?*contacts=
Disallow: /*?*subject=
Disallow: /*?*s=

Sitemap: https://arolsen-archives.org/sitemap_index.xml

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Most important keywords

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

KeywordResultRecheck
Arolsen81%Check
Archives81%Check
Arolsen Archives79%Check
Bad Arolsen59%Check
Online Archiv58%Check
arolsen school56%Check
International Center48%Check
Nazi Persecution46%Check
News43%Check
Nazi41%Check
Show more keywords and terms

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