Nap.nationalacademies.org - SEO Check

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Übersicht der SEO Analyse
Metaangaben
95% 
Seitenqualität
83% 
Seitenstruktur
29% 
Verlinkung
38% 
Server
0% 
Externe Faktoren
100% 
SEO Score
Antwortzeit
0,73 s
Dateigröße
207,20 kB
Wörter
1561
Medien
35
Anzahl Links
137 Intern / 101 Extern

To-do Liste mit SEO Optimierungen

Meta-Angaben im HTML

Titel
(Extrem wichtig)
The National Academies Press
Die Länge des Titels ist optimal. (276 Pixel von maximal 580 Pixel Länge)
Es gibt keine Wortwiederholungen im Titel.
Meta-Description
(Extrem wichtig)
The National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM).
Die Meta-Description hat eine optimale Länge. (947 Pixel von maximal 1000 Pixel Länge)
Crawlbarkeit
(Extrem wichtig)
Es gibt keine Probleme beim Zugriff auf die Webseite.
Canonical Link
(Wichtig)
https://nap.nationalacademies.org/
Die Seite hat einen korrekten Canonical Link.
Sprache
(Wenig wichtig)
Im Text erkannte Sprache: en
Im HTML angegebene Sprache: en
Serverstandort: Vereinigte Staaten von Amerika
Die Sprache wird im HTML Code wie folgt angegeben: en
Alternate/Hreflang Links
(Wenig wichtig)
Die Seite nutzt keine Alternate Links.
Weitere Metatags
(Wenig wichtig)
Es gibt keinen rel next Meta Tag auf der Seite.
Es gibt keinen rel prev Meta Tag auf der Seite.
Domain
(Wenig wichtig)
Die Webseite befindet sich auf einer Subdomain. Für eine erfolgreiche Suchmaschinenoptimierung solltest Du eine eigene Domain verwenden.
Die Domain enthält keine Umlaute.
Seiten URL
(Wenig wichtig)
In der URL wurden keine Parameter entdeckt.
In der URL wurde keine Session ID entdeckt.
Die URL hat nicht zu viele Unterverzeichnisse.
Zeichensatzkodierung
(Wenig wichtig)
Die Angaben zur Zeichensatzkodierung (UTF-8) sind fehlerfrei.
Doctype
(Nice to have)
Die Doctype Angabe HTML 5 ist korrekt angegeben.
Die Doctype Angabe befindet sich an erster Stelle im HTML-Code.
Favicon
(Nice to have)
Es ist kein Favoriten Icon (Favicon) im HTML-Code verlinkt.

Meta Tags

NameWert
viewportwidth=device-width, initial-scale=1.0
descriptionThe National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM).
keywordsscience policy research, health, medicine, bookstore, agriculture, medical ethics, behavioral social sciences, biology, economics, chemistry, earth, education, engineering, environment, information technology, math, physics, national security, space, textbooks, public policy
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Seitenqualität

Inhalt
(Extrem wichtig)
Der Inhalt ist mit 1561 Wörtern in Ordnung.
Der Text besteht zu 31.6% aus Füllwörtern.
Worte aus dem Titel werden im Text wiederholt.
Wörter aus der H1 Überschrift werden im Text der Seite verwendet.
Im Text befindet sich eine Aufzählung, dies deutet auf eine gute Textstruktur hin.
Es wurden 16 Fließtextblöcke auf der Seite gefunden.
Der Text auf der Seite ist optimal.
Es wurden keine Platzhalter Texte bzw. Bilder gefunden.
Es befinden sich keine Duplikate auf der Seite.
Die durchschnittliche Satzlänge ist mit 23.94 Wörtern gut.
Frames
(Extrem wichtig)
Die Seite hat kein Frameset.
Mobile
(Wenig wichtig)
Es ist kein Apple-Touch Icon angegeben.
Die Webseite lädt 12 Javascript Dateien, dies kann die Ladezeit negativ beeinträchtigen.
Der angegebene Viewport (width=device-width, initial-scale=1.0) ist korrekt.
Bold- und Strongtags
(Wenig wichtig)
Die Nutzung von Strong- und Bold-Tags ist optimal. Wir empfehlen für diese Webseite die Verwendung von bis zu 31 Tags.
Bilder Optimierung
(Wenig wichtig)
Bei 2 Bildern fehlt das Alt-Attribut. Der Inhalt von Alt-Attributen wird von Suchmaschinen auch als Text gewertet und ist wichtig für die Bildersuche.
Soziale Vernetzung
(Nice to have)
Es befinden sich wenige Social-Sharing Möglichkeiten auf der Seite. Mit Plugins zum Teilen kann die Reichweite der Seite in sozialen Netzwerken erhöht werden.
Zusätzliches Markup
(Nice to have)
Es wurde kein zusätzliches Markup gefunden.
HTTPS
(Wenig wichtig)
Die Seite verwendet HTTPS um Daten sicher zu übertragen.
Alle eingebundenen Dateien werden ebenfalls über HTTPS ausgeliefert.

Medienliste

URLALT-AttributeTitel
...elToken=d2dc71410b56f1d61406108f1738d0f4Kein ALT-Attribut angegeben
...elToken=d2dc71410b56f1d61406108f1738d0f4Kein ALT-Attribut angegeben
/images/homeslider/emergencyprep-may23.jpgEmergency Preparedness Collection
/images/homeslider/climate-change-10-20.jpgClimate Change Collection
...meslider/quantum-info-sci-collection.jpgQuantum Information Science Collection
/cover/27396/200Cover Image: Social Media and Adolescent Health
/cover/27938/200Cover Image: The Next Decade of Discovery in Solar and Space Physics
/cover/28588/200Cover Image: Preventing and Treating Dementia
/cover/28269/200Cover Image: K-12 STEM Education and Workforce Development in Rural Areas
/cover/27460/200Cover Image: Modernizing Probable Maximum Precipitation Estimation
/cover/27955/200Cover Image: Women's Empowerment, Population Dynamics, and Socioeconomic Development
/cover/29075/200Cover Image: Exploring the Changing Diversity, Equity, and Inclusion Legislation and Policy Landscape and Its Impact on Health and Public Health's Workforce, Education, Training, and Research
/cover/28909/200Cover Image: Identifying Midlife Social Exposures That Might Modify Risks of Cognitive Impairment Associated with Early Life Disadvantage
/cover/27472/200Cover Image: Advancing Vineyard Health
/cover/28857/200Cover Image: Geospatial Data Governance Policies and Procedures
/cover/25663/200Cover Image: Social Isolation and Loneliness in Older Adults
/cover/25585/200Cover Image: Promising Practices for Addressing the Underrepresentation of Women in Science, Engineering, and Medicine
/cover/25682/200Cover Image: Leading Health Indicators 2030
/cover/13165/200Cover Image: A Framework for K-12 Science Education
/cover/12956/200Cover Image: The Future of Nursing
/cover/26967/200Cover Image: Report of the Materials Advisory Board Ad Hoc Panel on the Manufacture of Advanced Electronic Components.
/cover/21172/200Cover Image: A Survey of Transplantable and Transmissible Animal Tumors
/cover/29013/200Cover Image: Resident Research Associateships
/cover/19441/200Cover Image: Research Concerning Metrology and Fundamental Constants
/cover/28382/200Cover Image: Polychlorinated biphenyls
/images/video_thumbs/mm-18358.jpgVideo: Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
/images/video_thumbs/mm-18373.jpgVideo: Abrupt Impacts of Climate Change
/images/video_thumbs/mm-12192.jpgVideo: On Being a Scientist
/images/video_thumbs/mm-immigrants-vis.pngInfographic: Ten Things You Probably Didn't Know About Immigrants
/images/video_thumbs/mm-23482.jpgVideo: Bullying: Through a Teacher's Eyes
/images/icon_academyscope.pngBrowse titles in AcademyScope
/images/footer-nap-text.pngNational Academies Press: Washington, DC | Home
data:[...] Base64NAS Logo
data:[...] Base64NAE Logo
data:[...] Base64NAM Logo

Seitenstruktur

H1 Überschrift
(Extrem wichtig)
National Academies Press
Zu viele H1 Überschriften
Überschriften
(Wichtig)
Einige Überschriftentexte kommen doppelt auf der Seite vor.
Die Überschriftenstruktur ist fehlerhaft. Es sollte keine Hierarchie (H1-H6) ausgelassen werden.
Es befinden sich 47 Überschriften auf der Seite. Die Anzahl der Überschriften sollte in einem besseren Verhältnis zum Text stehen.

Überschriftenstruktur

Überschriften HierarchieInhalt
H1 National Academies Press
H1 Emergency Preparedness Collection
H1 Climate Change Collection
H1 Quantum Information Science Collection
H2 Featured Titles
H2 New Releases more
H2 Most Downloaded (last 7 days) more
H2 From the Archives
H2 Searchable Collections more
H2 Featured Multimedia
H3 ×BROWSE BY TOPIC
H4 Social Media and Adolescent Health
H4 The Next Decade of Discovery in Solar and Space Physics: Exploring and Safeguarding Humanity's Home in Space
H4 Preventing and Treating Dementia: Research Priorities to Accelerate Progress
H4 K-12 STEM Education and Workforce Development in Rural Areas
H4 Modernizing Probable Maximum Precipitation Estimation
H4 Women's Empowerment, Population Dynamics, and Socioeconomic Development
H4 Exploring the Changing Diversity, Equity, and Inclusion Legislation and Policy Landscape and Its Impact on Health and Public Health's Workforce, Education, Training, and Research: Proceedings of a ...
H4 Identifying Midlife Social Exposures That Might Modify Risks of Cognitive Impairment Associated with Early Life Disadvantage: Proceedings of a Workshop
H4 Advancing Vineyard Health: Insights and Innovations for Combating Grapevine Red Blotch and Leafroll Diseases
H4 Geospatial Data Governance Policies and Procedures: A Guide
H4 Social Isolation and Loneliness in Older Adults: Opportunities for the Health Care System
H4 Promising Practices for Addressing the Underrepresentation of Women in Science, Engineering, and Medicine: Opening Doors
H4 Leading Health Indicators 2030: Advancing Health, Equity, and Well-Being
H4 A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas
H4 The Future of Nursing: Leading Change, Advancing Health
H4 Report of the Materials Advisory Board Ad Hoc Panel on the Manufacture of Advanced Electronic Components.
H4 A Survey of Transplantable and Transmissible Animal Tumors
H4 Resident Research Associateships: Postdoctoral and Senior Research Awards
H4 Research Concerning Metrology and Fundamental Constants
H4 Polychlorinated biphenyls: a case study by Edward J. Burger
H4 Crisis Standards of Care
H4 Cybersecurity
H4 Emergency Preparedness / Disaster Management
H4 Genomics
H4 Climate Change
H6 Video
H6 Video Text-Duplikat
H6 Video Text-Duplikat
H6 Infographic
H6 Video Text-Duplikat
H6 NAP Quick Links
H6 Request A
H6 Browse Publications
H6 NAP Ordering
H6 Using NAP.edu
H6 NAP Information
Einige der Linktexte der internen Links sind zu lang.
Die internen Links haben teilweise dynamische Parameter. Alle internen URLs, welche nicht als nofollow markiert sind, sollten keine dynamischen Parameter aufweisen.
Einige der Linktexte wiederholen sich.
Es gibt 3 Links mit einem trivialem Linktext.
Die Anzahl an internen Links ist ok.
Es befinden sich zu viele externe Links (101) auf der Seite.

Gefundene Links auf dieser Seite

LinkAttributeLinktext
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/content/helpHelp
/content/help-with-orderingOrdering Information
/newNew Releases
/authorBrowse by Division
/topicBrowse by Topic
/authorPublications by Division
/author/DBASSE/Division of Behavioral and Social Sciences and Education
/author/DELS/Division on Earth and Life Studies
/author/DEPS/Division on Engineering and Physical Sciences
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/author/PGA/Policy and Global Affairs
/author/TRB/Transportation Research Board
/author/NASNational Academy of Sciences
/author/NAENational Academy of Engineering
/author/NAMNational Academy of Medicine
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/topic/277Behavioral and Social Sciences
/topic/292Biography and Autobiography
/topic/278Biology and Life Sciences
/topic/279Computers and Information Technology
/topic/280Conflict and Security Issues
/topic/281Earth Sciences
/topic/282Education
/topic/283Energy and Energy Conservation
/topic/284Engineering and Technology
/topic/285Environment and Environmental Studies
/topic/287Food and Nutrition
/topic/288Health and Medicine
/topic/289Industry and Labor
/topic/290Math, Chemistry, and Physics
/topic/423Policy for Science and Technology
/topic/293Space and Aeronautics
/topic/478Surveys and Statistics
/topic/294Transportation and Infrastructure
/collectionSearchable Collections
/newTextduplikat New Releases
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https://www.nationalacademies....Extern Subdomain Textduplikat Our Program Divisions
https://www.nationalacademies....Extern Subdomain Textduplikat Our Three Academies
https://www.nationalacademies....Extern Subdomain Textduplikat Leadership
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https://www.nationalacademies....Extern Subdomain Textduplikat Statement on Diversity and Inclusion
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https://www.nationalacademies....Extern Subdomain Textduplikat Our Work
https://www.nationalacademies....Extern Subdomain Textduplikat Our Study Process
https://www.nationalacademies....Extern Subdomain Textduplikat Conflict of Interest Policies and Procedures
https://www.nationalacademies....Extern Subdomain Textduplikat Project Comments and Information
https://www.nationalacademies....Extern Subdomain Textduplikat Learn More
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https://www.nationalacademies....Extern Subdomain Publications
/Subdomain Textduplikat Read Our Expert Reports and Published Proceedings
https://www.pnas.org/Extern Subdomain Textduplikat Explore PNAS, the Flagship Scientific Journal of NAS
http://pubsindex.trb.org/Extern Subdomain Textduplikat Access Transportation Research Board Publications
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https://www.nationalacademies....Extern Subdomain Topics
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https://www.nationalacademies....Extern Subdomain Textduplikat Economic Recovery
https://www.nationalacademies....Extern Subdomain See All Topics
A-TITLE See All Topics
https://www.nationalacademies....Extern Subdomain Textduplikat Engagement
https://www.nationalacademies....Extern Subdomain Textduplikat Learn More
A-TITLE Learn More
https://www.nationalacademies....Extern Subdomain Opportunities
https://www.nationalacademies....Extern Subdomain Textduplikat Careers
https://www.nationalacademies....Extern Subdomain Textduplikat Fellowships and Grants
https://www.nationalacademies....Extern Subdomain Textduplikat Volunteers
https://www.nationalacademies....Extern Subdomain Textduplikat Sponsors
https://www.nationalacademies....Extern Subdomain Textduplikat Members
https://www.nationalacademies....Extern Subdomain Textduplikat Learn More
A-TITLE Learn More
/collection/35/emergency-prepa...Subdomain Learn more
https://www.nap.edu/collection...Extern Subdomain Textduplikat Learn more
/collection/140/quantum-inform...Subdomain Textduplikat Learn more
/Anchor Kein Text
/Anchor Kein Text
/catalog/27396/social-media-an...Subdomain IMG-ALT Cover Image: Social Media and Adolescent Health
/catalog/27396/social-media-an...Subdomain Social Media and Adolescent Health
/catalog/27938/the-next-decade...Subdomain Prepublication
IMG-ALT Cover Image: The Next Decade of Discovery in Solar and Space Physics
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/catalog/28588/preventing-and-...Subdomain Textduplikat Prepublication
IMG-ALT Cover Image: Preventing and Treating Dementia
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IMG-ALT Cover Image: K-12 STEM Education and Workforce Development in Rural Areas
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/catalog/28909/identifying-mid...Subdomain Textduplikat Prepublication
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/catalog/28857/geospatial-data...Subdomain Geospatial Data Governance Policies and Procedures: A Guide
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/catalog/25663/social-isolatio...Subdomain IMG-ALT Cover Image: Social Isolation and Loneliness in Older Adults
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/catalog/28382/polychlorinated...Subdomain Polychlorinated biphenyls: a case study by Edward J. Burger
/collectionTextduplikat Trivialer Linktext
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/collection/95/crisis-standard...Subdomain View all titles
/collection/31/cybersecuritySubdomain Textduplikat View all titles
/collection/35/emergency-prepa...Subdomain Textduplikat View all titles
/collection/50/genomicsSubdomain Textduplikat View all titles
/collection/34/climate-changeSubdomain Textduplikat View all titles
http://www.nap.edu/catalog.php...Extern Subdomain Anchor IMG-ALT Video: Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
http://www.nap.edu/catalog.php...Extern Subdomain Anchor Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
http://www.nap.edu/catalog.php...Extern Subdomain Anchor IMG-ALT Video: Abrupt Impacts of Climate Change
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http://www.nap.edu/catalog.php...Extern Subdomain Anchor IMG-ALT Video: On Being a Scientist
http://www.nap.edu/catalog.php...Extern Subdomain Anchor On Being a Scientist
https://www.nap.edu/visualizat...Extern Subdomain IMG-ALT Infographic: Ten Things You Probably Didn't Know About Immigrants
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https://www.youtube.com/watch?...Extern Subdomain IMG-ALT Video: Bullying: Through a Teacher's Eyes
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/topic/280Textduplikat Conflict and Security Issues
/topic/281Textduplikat Earth Sciences
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/topic/284Textduplikat Engineering and Technology
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/topic/288Textduplikat Health and Medicine
/topic/289Textduplikat Industry and Labor
/topic/290Textduplikat Math, Chemistry, and Physics
/topic/423Textduplikat Policy for Science and Technology
/topic/293Textduplikat Space and Aeronautics
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/topic/294Textduplikat Transportation and Infrastructure
/academy-scopeBrowse Topics in AcademyScope
IMG-ALT Browse titles in AcademyScope
/Subdomain IMG-ALT National Academies Press: Washington, DC | Home
/Home
/content/about-the-national-ac...About
https://notes.nap.edu/Extern Subdomain Notes from NAP
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Serverkonfiguration

HTTP-Weiterleitungen
(Extrem wichtig)
Die geprüfte Seite leitet nicht auf eine andere URL weiter.
HTTP-Header
(Wichtig)
Die HTML-Seite sollten mittels GZip Komprimierung übertragen werden.
Es wird kein X-Powered HTTP-Header mitgesendet.
Performance
(Wenig wichtig)
Die Antwortzeit der HTML-Seite ist mit 0,73 Sekunden länger als die empfohlene Zeit von maximal 0,4 Sekunden. Eine hohe Antwortzeit verlängert unnötig das Crawling und sorgt für eine schlechte User Experience.
Die Webseite lädt 7 CSS Dateien, dies kann die Ladezeit negativ beeinträchtigen.
Die Webseite lädt 12 Javascript Dateien, dies kann die Ladezeit negativ beeinträchtigen.
Die Dateigröße des HTML-Dokuments ist mit 207 kB in Ordnung.

HTTP-Header

NameWert
dateSat, 22 Mar 2025 18:54:06 GMT
serverNAP
x-frame-optionsSAMEORIGIN
tdm-reservation1
strict-transport-securitymax-age=63072000; includeSubdomains;
referrer-policyno-referrer-when-downgrade
set-cookie50 Zeichen
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlmax-age=3600,private
pragmano-cache
content-security-policydefault-src * data: 'unsafe-inline' 'unsafe-eval';
x-content-type-optionsnosniff
transfer-encodingchunked
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

Externe Faktoren

Die Seite ist exzellent von anderen Webseiten verlinkt.
Die Seite hat Backlinks von 4.148 verweisenden Domains.
Die Seite hat insgesamt 639.063 Backlinks.
Die Seite hat Backlinks von 2.631 verschiedenen IP Adressen.

Links von Wikipedia

Es wurden keine Links von Wikipedia gefunden.

Robots.txt

User-agent: *
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Disallow: /napsearch.php
Disallow: /booksearch.php
Disallow: /download.php
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Disallow: /related.php
Disallow: /mynap.php

User-agent: Googlebot 
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User-agent: msnbot 
Disallow: /pdf/
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User-Agent: Charlotte
Disallow: /cart/ 
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Disallow: /download.php
Disallow: /login.php
Disallow: /related.php
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User-agent: GPTBot
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Ähnliche Seiten

Suchvorschau

nap.nationalacademies.org
The National Academies Press
The National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM).

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Science56%Check
Medicine52%Check
Engineering52%Check
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