Nap.edu - SEO Checker

Overview of the SEO Check
Meta information
92% 
Page quality
76% 
Page structure
58% 
Link structure
41% 
Server
27% 
External factors
100% 
SEO Score
Response time
1.57 s
File size
81.40 kB
Words
972
Media files
37
Number of links
139 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The National Academies Press
The length of the page title is perfect. (279 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM).
The length of the meta description is perfect. (951 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
http://www.nap.edu/
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)
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)
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
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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langen
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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 972 words. That's ok.
26.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
6 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 17.63 words is good.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This website loads 8 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 19 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/hdr/nasem-nas-logo.pngThe National Academies of Sciences, Engineering, and Medicine
/images/hdr/nasem-nap-textlogo.pngThe National Academies Press
/images/hdr/nasem-nas-logo.pngThe National Academies of Sciences, Engineering, and Medicine
/images/hdr/nasem-nap-textlogo.pngThe National Academies Press
/images/covid-19-homebanner.jpgClick here to explore resources related to the COVID-19 pandemic
https://www.nap.edu/cover/25613/200Cover Image: Manipulating Quantum Systems
https://www.nap.edu/cover/25525/200Cover Image: Safeguarding the Bioeconomy
https://www.nap.edu/cover/25663/200Cover Image: Social Isolation and Loneliness in Older Adults
https://www.nap.edu/cover/25130/200Cover Image: An American Crisis
https://www.nap.edu/cover/25761/200Cover Image: A Vision for NSF Earth Sciences 2020-2030
https://www.nap.edu/cover/25772/200Cover Image: Necessity, Use, and Care of Laboratory Dogs at the U.S. Department of Veterans Affairs
https://www.nap.edu/cover/25791/200Cover Image: The Clinical Utility of Compounded Bioidentical Hormone Therapy
https://www.nap.edu/cover/25852/200Cover Image: Characteristics and Elements of Non-Punitive Employee Safety Reporting Systems for Public Transportation
https://www.nap.edu/cover/25848/200Cover Image: Highway Hydraulic Engineering State of Practice
https://www.nap.edu/cover/25744/200Cover Image: Incorporating the Costs and Benefits of Adaptation Measures in Preparation for Extreme Weather Events and Climate Change—Guidebook
https://www.nap.edu/cover/24783/200Cover Image: How People Learn II
https://www.nap.edu/cover/9853/200Cover Image: How People Learn
https://www.nap.edu/cover/25143/200Cover Image: Assessing the Risks of Integrating Unmanned Aircraft Systems (UAS) into the National Airspace System
https://www.nap.edu/cover/25202/200Cover Image: Implementing Quality Measures for Accountability in Community-Based Care for People with Serious Illness
https://www.nap.edu/cover/13165/200Cover Image: A Framework for K-12 Science Education
https://www.nap.edu/cover/20304/200Cover Image: 1990 Update to Strategy for Exploration of the Inner Planets
https://www.nap.edu/cover/19317/200Cover Image: The Outlook for Science and Technology, 1985
https://www.nap.edu/cover/9560/200Cover Image: Final Report of the Committee on Scientific Problems of Human Migration
https://www.nap.edu/cover/21335/200Cover Image: Industrialized Housing
https://www.nap.edu/cover/21562/200Cover Image: Separations by Solvent Extraction With Tri-n-octylphosphine Oxide
/images/video_thumbs/mm-18358.jpgVideo: Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
/images/video_thumbs/mm-immigrants-vis.pngInfographic: Ten Things You Probably Didn't Know About Immigrants
/images/video_thumbs/mm-18373.jpgVideo: Abrupt Impacts of Climate Change
/images/video_thumbs/mm-18612.jpgVideo: STEM Integration in K-12 Education
/images/video_thumbs/mm-23482.jpgVideo: Bullying: Through a Teacher's Eyes
https://www.nap.edu/images/homesprites.pngFacebook
https://www.nap.edu/images/homesprites.pngTwitter
https://www.nap.edu/images/homesprites.pngGoogle Plus
https://www.nap.edu/images/homesprites.pngPinterest
https://www.nap.edu/images/homesprites.pngRSS
/images/icon_academyscope.pngBrowse titles in AcademyScope
/images/hdr/logo-nasem-wht-lg.pngThe National Academies of Sciences, Engineering, and Medicine

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.
There are 47 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 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 Manipulating Quantum Systems: An Assessment of Atomic, Molecular, and Optical Physics in the United States
H4 Safeguarding the Bioeconomy
H4 Social Isolation and Loneliness in Older Adults: Opportunities for the Health Care System
H4 An American Crisis: The Growing Absence of Black Men in Medicine and Science: Proceedings of a Joint Workshop
H4 A Vision for NSF Earth Sciences 2020-2030: Earth in Time
H4 Necessity, Use, and Care of Laboratory Dogs at the U.S. Department of Veterans Affairs
H4 The Clinical Utility of Compounded Bioidentical Hormone Therapy: A Review of Safety, Effectiveness, and Use
H4 Characteristics and Elements of Non-Punitive Employee Safety Reporting Systems for Public Transportation
H4 Highway Hydraulic Engineering State of Practice
H4 Incorporating the Costs and Benefits of Adaptation Measures in Preparation for Extreme Weather Events and Climate Change—Guidebook
H4 How People Learn II: Learners, Contexts, and Cultures
H4 How People Learn: Brain, Mind, Experience, and School: Expanded Edition
H4 Assessing the Risks of Integrating Unmanned Aircraft Systems (UAS) into the National Airspace System
H4 Implementing Quality Measures for Accountability in Community-Based Care for People with Serious Illness: Proceedings of a Workshop
H4 A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas
H4 1990 Update to Strategy for Exploration of the Inner Planets
H4 The Outlook for Science and Technology, 1985
H4 Final Report of the Committee on Scientific Problems of Human Migration: Report and Circular Series of the National Research Council
H4 Industrialized Housing: An Inquiry Into Factors Influencing Entry Decisions by Major Manufacturing Corporations
H4 Separations by Solvent Extraction With Tri-n-octylphosphine Oxide
H4 Infectious Disease
H4 Crisis Standards of Care
H4 Emergency Preparedness / Disaster Management
H4 Climate Change
H4 Coronavirus Resources
H4 CONNECT WITH NAP
H4 REQUEST A...
H4 VISIT
H6 Video
H6 Infographic
H6 Video Duplicate text
H6 Video Duplicate text
H6 Video Duplicate text
H6 Quick Links
H6 Browse
H6 Help
H6 Using NAP.edu
H6 Ordering
H6 Information
H6 Connect With Us
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.
There are 4 links with a trivial anchor text.
The amount of internal links is ok.
There are 15 external links on this page.
LinkAttributesAnchor text
https://www.nap.edu/Anchor Skip to main content
https://www.nap.edu/IMG-ALT The National Academies of Sciences, Engineering, and Medicine
https://www.nap.edu/IMG-ALT The National Academies Press
/content/about-the-national-ac...About
/content/help-with-orderingOrdering Information
https://www.nap.edu/newNew Releases
https://www.nap.edu/author/Browse by Division
https://www.nap.edu/author/DBASSEDivision of Behavioral and Social Sciences and Education
https://www.nap.edu/author/DELSDivision on Earth and Life Studies
https://www.nap.edu/author/DEPSDivision on Engineering and Physical Sciences
https://www.nap.edu/author/GRPGulf Research Program
https://www.nap.edu/author/HMDHealth and Medicine Division
https://www.nap.edu/author/NAENational Academy of Engineering
https://www.nap.edu/author/PGAPolicy and Global Affairs
https://www.nap.edu/author/TRBTransportation Research Board
https://www.nap.edu/NAP Home
/content/about-the-national-ac...Text duplicate About
/content/help-with-orderingText duplicate Ordering Information
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https://www.nap.edu/authorText duplicate Browse by Division
/login.php?page=http://www.nap...Login
/login.php?page=http://www.nap...Register
https://www.nap.edu/content/helpHelp
https://cart.nap.edu/cart/cart...External Cart
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/content/about-the-national-ac...Text duplicate About
/content/help-with-orderingOrdering
https://www.nap.edu/topic/Topics
https://www.nap.edu/author/Divisions
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https://www.nap.edu/content/helpText duplicate Help
/collection/94/coronavirus-res...IMG-ALT Click here to explore resources related to the COVID-19 pandemic
/catalog/25613/manipulating-qu...Prepublication
IMG-ALT Cover Image: Manipulating Quantum Systems
/catalog/25613/manipulating-qu...Manipulating Quantum Systems: An Assessment of Atomic, Molecular, and Optical Physics in the United States
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/catalog/25130/an-american-cri...IMG-ALT Cover Image: An American Crisis
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IMG-ALT Cover Image: A Vision for NSF Earth Sciences 2020-2030
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https://www.nap.edu/newTrivial anchor text
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/catalog/25772/necessity-use-a...Text duplicate Prepublication
IMG-ALT Cover Image: Necessity, Use, and Care of Laboratory Dogs at the U.S. Department of Veterans Affairs
/catalog/25772/necessity-use-a...Necessity, Use, and Care of Laboratory Dogs at the U.S. Department of Veterans Affairs
/catalog/25791/the-clinical-ut...Text duplicate Prepublication
IMG-ALT Cover Image: The Clinical Utility of Compounded Bioidentical Hormone Therapy
/catalog/25791/the-clinical-ut...The Clinical Utility of Compounded Bioidentical Hormone Therapy: A Review of Safety, Effectiveness, and Use
/catalog/25852/characteristics...Text duplicate Prepublication
IMG-ALT Cover Image: Characteristics and Elements of Non-Punitive Employee Safety Reporting Systems for Public Transportation
/catalog/25852/characteristics...Characteristics and Elements of Non-Punitive Employee Safety Reporting Systems for Public Transportation
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/catalog/25848/highway-hydraul...Highway Hydraulic Engineering State of Practice
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/most-downloadedText duplicate Trivial anchor text
more
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/catalog/24783/how-people-lear...How People Learn II: Learners, Contexts, and Cultures
/catalog/9853/how-people-learn...IMG-ALT Cover Image: How People Learn
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/catalog/25202/implementing-qu...Implementing Quality Measures for Accountability in Community-Based Care for People with Serious Illness: Proceedings of a Workshop
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/catalog/13165/a-framework-for...A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas
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/catalog/20304/1990-update-to-...1990 Update to Strategy for Exploration of the Inner Planets
/catalog/19317/the-outlook-for...IMG-ALT Cover Image: The Outlook for Science and Technology, 1985
/catalog/19317/the-outlook-for...The Outlook for Science and Technology, 1985
/catalog/9560/final-report-of-...IMG-ALT Cover Image: Final Report of the Committee on Scientific Problems of Human Migration
/catalog/9560/final-report-of-...Final Report of the Committee on Scientific Problems of Human Migration: Report and Circular Series of the National Research Council
/catalog/21335/industrialized-...IMG-ALT Cover Image: Industrialized Housing
/catalog/21335/industrialized-...Industrialized Housing: An Inquiry Into Factors Influencing Entry Decisions by Major Manufacturing Corporations
/catalog/21562/separations-by-...IMG-ALT Cover Image: Separations by Solvent Extraction With Tri-n-octylphosphine Oxide
/catalog/21562/separations-by-...Separations by Solvent Extraction With Tri-n-octylphosphine Oxide
https://www.nap.edu/collectionText duplicate Trivial anchor text
more
/collection/37/infectious-diseaseView all titles
/collection/95/crisis-standard...Text duplicate View all titles
/collection/35/emergency-prepa...Text duplicate View all titles
/collection/34/climate-changeText duplicate View all titles
/collection/94/coronavirus-res...Text duplicate View all titles
/catalog.php?record_id=18358Anchor IMG-ALT Video: Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
/catalog.php?record_id=18358Anchor Confronting Commercial Sexual Exploitation and Sex Trafficking of Minors in the United States
/visualizations/integration-of...IMG-ALT Infographic: Ten Things You Probably Didn't Know About Immigrants
/visualizations/integration-of...Ten Things You Probably Didn't Know About Immigrants
/catalog.php?record_id=18373Anchor IMG-ALT Video: Abrupt Impacts of Climate Change
/catalog.php?record_id=18373Anchor Abrupt Impacts of Climate Change
/catalog/18612/stem-integratio...Anchor IMG-ALT Video: STEM Integration in K-12 Education
/catalog/18612/stem-integratio...Anchor STEM Integration in K-12 Education
https://www.youtube.com/watch?...External IMG-ALT Video: Bullying: Through a Teacher's Eyes
https://www.youtube.com/watch?...External Bullying: Through a Teacher's Eyes
https://www.facebook.com/natio...External IMG-ALT Facebook
https://twitter.com/theNASEMExternal IMG-ALT Twitter
https://plus.google.com/111471...External Subdomain IMG-ALT Google Plus
http://www.pinterest.com/NAPressExternal IMG-ALT Pinterest
http://feeds.nap.edu/nap/newExternal IMG-ALT RSS
/content/connect-with-nap-and-...View more
/content/request-desk-copiesDesk Copy
/content/request/exam_copy.htmlExam Copy
/content/request-review-copiesReview Copy
/content/request-rights-and-pe...Reprint Permission
/content/bookstore.htmlBookstore at the Keck Center
https://www.nap.edu/topic/276Agriculture Agriculture
https://www.nap.edu/topic/277Behavioral and Social Sciences Behavioral and Social Sciences
https://www.nap.edu/topic/292Biography and Autobiography Biography and Autobiography
https://www.nap.edu/topic/278Biology and Life Sciences Biology and Life Sciences
https://www.nap.edu/topic/279Computers and Information Technology Computers and Information Technology
https://www.nap.edu/topic/280Conflict and Security Issues Conflict and Security Issues
https://www.nap.edu/topic/281Earth Sciences Earth Sciences
https://www.nap.edu/topic/282Education Education
https://www.nap.edu/topic/283Energy and Energy Conservation Energy and Energy Conservation
https://www.nap.edu/topic/284Engineering and Technology Engineering and Technology
https://www.nap.edu/topic/285Environment and Environmental Studies Environment and Environmental Studies
https://www.nap.edu/topic/286Explore Science Explore Science
https://www.nap.edu/topic/287Food and Nutrition Food and Nutrition
https://www.nap.edu/topic/288Health and Medicine Health and Medicine
https://www.nap.edu/topic/289Industry and Labor Industry and Labor
https://www.nap.edu/topic/290Math, Chemistry, and Physics Math, Chemistry, and Physics
https://www.nap.edu/topic/423Policy for Science and Technology Policy for Science and Technology
https://www.nap.edu/topic/293Space and Aeronautics Space and Aeronautics
https://www.nap.edu/topic/478Surveys and Statistics Surveys and Statistics
https://www.nap.edu/topic/294Transportation and Infrastructure Transportation and Infrastructure
https://www.nap.edu/academy-scopeBrowse Topics in AcademyScope
IMG-ALT Browse titles in AcademyScope
https://www.nap.edu/Anchor Back to top
https://www.nap.edu/Home
/content/about-the-national-ac...Text duplicate About
https://notes.nap.edu/External Notes from NAP
https://www.nap.edu/collectionSearchable Collections
https://www.nap.edu/topicBrowse by Topic
https://www.nap.edu/newBrowse New Releases
https://www.nap.edu/authorText duplicate Browse by Division
https://www.nap.edu/academy-scopeBrowse with AcademyScope
/content/contact-customer-serviceContact Customer Service
/content/searching-nap-publica...Tips for Searching
/content/using-mynapHelp With MyNAP
/content/about-pdfsDownloading and Reading PDFs
/content/help-with-orderingPlacing an Order
/content/returnsReturning a Book
/content/shipping-and-handling...Shipping and Handling Options
/content/help-with-discountsDiscounts
/content/information-for-book-...Book Trade Customers
/content/request-rights-and-pe...Rights and Permissions
/content/international-orderin...International Ordering and Distribution
/content/translation-rightsTranslation Rights
https://www.nap.edu/updatesE-mail Updates
https://www.facebook.com/natio...External Text duplicate Facebook
https://twitter.com/theNASEMExternal Text duplicate Twitter
https://www.instagram.com/theN...External Instagram
http://www.nap.edu/readfeed.phpText duplicate RSS
/content/connect-with-nap-and-...Trivial anchor text
More
http://www.nas.edu/New window External Text duplicate IMG-ALT The National Academies of Sciences, Engineering, and Medicine
A-TITLE The National Academies of Sciences, Engineering, and Medicine
http://www.national-academies....External Terms of Use and Privacy Statement

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.nap.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 is very slow (1.57 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This website loads 4 CSS files. This may affect the page load time negatively.
This website loads 8 javascript files. This may affect the load time negatively.
The file size of the HTML document is fine (81 kB).

HTTP Response Header

NameValue
dateSun, 05 Jul 2020 13:23:05 GMT
serverNAP
strict-transport-securitymax-age=63072000; includeSubdomains;
referrer-policyno-referrer-when-downgrade
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content-security-policydefault-src * data: 'unsafe-inline' 'unsafe-eval';
feature-policycamera none
transfer-encodingchunked
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 54,882 referring domains.
This website has 3,612,911 backlinks.
This website has backlinks from 40,211 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

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User-agent: Googlebot 
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Facebook popularity

Shares / Likes / Comments
1,565

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

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

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
NAP61%Check
National61%Check
Report47%Check
Science47%Check
National Academies47%Check
National Research45%Check
National Academy45%Check
Medicine42%Check
National Academies Press42%Check
Engineering42%Check

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