Aaas.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
81% 
Page structure
81% 
Link structure
18% 
Server
97% 
External factors
100% 
SEO Score
Response time
0.38 s
File size
117.60 kB
Words
702
Media files
26
Number of links
115 internal / 30 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
AAAS Home | American Association for the Advancement of Science
The page title should be shorter than 580 pixels. It is 615 pixels long. Optimize title
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://www.aaas.org/
There is a valid canonical link 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)
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
msvalidate.01F7970E3445C9D1E0034028F6779EDB10
google-site-verification8H-M6n30763A7mGcQ8f8WGMTj-aIsO3OCCZWtTjm3X8
GeneratorDrupal 8 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
twitter:cardsummary
twitter:site@aaas
og:site_nameAmerican Association for the Advancement of Science
og:urlhttps://www.aaas.org/
charsetutf-8

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Page quality

Content
(Critically important)
There are 2 text duplicates on this page:
  • Duplicate: Photo credit: The correlation does not extend to a language's words, s...
This page contains 702 words. That's ok.
25.8% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
6 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 22.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 4 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 14 tags for this page.
Image SEO
(Somewhat important)
21 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
..._AsianGrammar_carousel.jpg?itok=s-0p2QLoShibuya, Tokyo Japan street
...1_MuscleFiber_carousel.jpg?itok=oNRTUPk6depictions of artificial muscle fiber
...021-08/news_doser_hero.png?itok=4JryG1lGScreenshot from DoSER's 25th anniversary event
...21-08/news_summer_hero.png?itok=FcCjeiBgBe an Engineer
...21_WachtelSen_carousel.jpg?itok=A01PgFtAimage of small cell lung cancer
...926 aaas-org site_hmpg.jpg?itok=mBoke-n6No alt attribute provided
...07/news_0730_nk_square.png?itok=VqzSvpzRNo alt attribute provided
..._AAAS_Resources_Square.png?itok=4cIbRSm_No alt attribute provided
...lic/2021-04/AM22_theme.jpg?itok=nKFwbPCENo alt attribute provided
...04/Untitled design (3).png?itok=9LJsuIQFNo alt attribute provided
...722_sciencetype_square.png?itok=EXB2Bn5DNo alt attribute provided
..._0623_seachange_square.png?itok=oWWZsp7BNo alt attribute provided
...s_081521_hyenas_teaser.jpg?itok=d1MPI_y9No alt attribute provided
...s_070821_Noster_teaser.jpg?itok=bJVwCPt6No alt attribute provided
...F-class-2020-21-square.jpg?itok=5hcYEy9PNo alt attribute provided
...6/news_0630_mmf_square.png?itok=eZVZQz-RNo alt attribute provided
...news_0623_kavli_square.png?itok=8qaiFwGANo alt attribute provided
...fault/files/2021-04/endia_santee HS.jpegNo alt attribute provided
/sites/default/files/2021-04/RP_HS-crop.jpgNo alt attribute provided
...ault/files/2021-04/Leyte_Winfield-HS.jpgNo alt attribute provided
...ront-page-blue-bg_2021.png?itok=NxEdgUVfNo alt attribute provided
...21-06/Leslie Sternlieb.png?itok=MrOtik5-No alt attribute provided
...Red Feather Lakes_0_0.jpeg?itok=7uJUdliVNo alt attribute provided

Page structure

H1 heading
(Critically important)
The H1 heading is empty
Headings
(Important)
Some headings occur twice on the page.
There are 30 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Empty heading
H2 WHO WE ARE
H2 WHAT WE DO
H2 GET INVOLVED
H2 MEMBERSHIP
H2 Site Footer
H3 Empty heading
H3 OUR MEMBERS
H3 Support AAAS
H4 Explore Our Programs
H4 Resource Center
H4 Support AAAS Duplicate text
H4 Quick Links
H4 External Links
H4 Read the Latest Issue of Science
H4 Film Highlights AAAS Science Diplomacy Efforts with North Korea
H4 COVID-19 Resources, Research, and News Coverage from AAAS and the Science Family of Journals
H4 Submit your student e-poster abstract for the hybrid 2022 AAAS Annual Meeting by September 14!
H4 DoSER’s Science for Seminaries Wins Expanded Reason Award
H4 AAAS IF/THEN Ambassadors Dr. Ciara Sivels and Dr. Jessica Taaffe Featured in 3M Documentary 'Not the Science Type'
H4 Transforming Institutions: Systemic Change for DEI in STEMM, a five-part learning series beginning July 21
H4 Inherited Social Networks Shape Hyena Society and Survival
H4 Gut-Brain Axis Yields Clues to Neurodegenerative Disease
H4 The S&T Policy Fellowship Application is Now Open!
H4 Mass Media Fellows Reflect on Paths to Science Communication
H4 AAAS Kavli Awards Honor Distinguished Science Journalism
H4 External Sites
H4 Leaving a Legacy to AAAS
H4 Leslie Sternlieb on the Power of Science to Change the Human Condition
H4 Geologist Elisabeth Ervin-Blankenheim is Showing Us Why Geology Matters
H4 Useful Links
H4 Focus Areas
Some anchor texts are used more than once.
11 links don't have an anchor text.
There are 17 links with a trivial anchor text.
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 (30) on this page.
LinkAttributesAnchor text
https://www.aaas.org/Anchor Skip to main content
https://www.aaas.org/Anchor Skip to search
https://www.aaas.org/Anchor Skip to footer
https://www.aaas.org/AAAS
https://www.aaas.org/Text duplicate AAAS
https://www.aaas.org/Text duplicate AAAS
https://www.aaas.org/Text duplicate AAAS
https://www.aaas.org/missionMission and History
https://www.aaas.org/programsOur Programs
https://www.aaas.org/statementsStatements
https://www.aaas.org/newsAAAS News
https://www.aaas.org/publicationsScience Journals
https://www.aaas.org/governanceGovernance
https://www.aaas.org/fellowsAAAS Fellows
https://www.aaas.org/awardsAwards
https://www.aaas.org/careersCareers at AAAS
https://www.aaas.org/contact-aaasContact Us
https://www.aaas.org/programsExplore Our Programs
https://www.aaas.org/focus-areasOUR FOCUS AREAS
/focus-areas/advocacy-evidenceAdvocacy for Evidence
/focus-areas/careers-stemCareers in STEM
/focus-areas/diversity-equity-...Diversity, Equity & Inclusion
/focus-areas/federal-science-b...Federal Science Budget Analysis
/focus-areas/human-rights-law-...Human Rights, Ethics & Law
/focus-areas/public-engagementPublic Engagement
/focus-areas/science-diplomacyScience Diplomacy
/focus-areas/science-educationScience Education
/focus-areas/shaping-science-p...Shaping Science Policy
https://www.aaas.org/resourcesResource Center
https://www.aaas.org/membershipMembership
https://www.aaas.org/eventsEvents
https://www.aaas.org/supportSupport AAAS
https://www.aaas.org/fellowshipsFellowships
https://www.aaas.org/careersCareers
/page/training-sessionsTraining Sessions
https://www.aaas.org/awardsText duplicate Awards
https://meetings.aaas.org/External Subdomain Annual Meeting
https://www.aaas.org/supportText duplicate Support AAAS
/membership/why-joinWhy Join
https://purchase.aaas.org/orde...External Subdomain Become a Member
https://purchase.aaas.org/orde...External Subdomain Gift a Membership
https://purchase.aaas.org/orde...External Subdomain Renew
/membership/benefitsMember Benefits
/membership/connectConnect
https://www.aaas.org/user/loginMember Login
/membership/helpFAQ & Support
/giving/supportAAASGIVE
https://www.aaas.org/resourcesRESOURCE CENTER
https://www.aaas.org/programsPROGRAMS
https://www.aaas.org/newsNEWS
https://www.aaas.org/eventsEVENTS
https://www.aaas.org/user/loginMEMBER LOGIN
https://purchase.aaas.org/orde...External Subdomain JOIN
https://members.aaas.org/homeExternal Subdomain AAAS Communities
http://www.sciencemag.org/careersExternal SCIENCE CAREERS
http://www.sciencemag.org/External SCIENCE FAMILY OF JOURNALS
/page/more-aaas-sitesMore AAAS Sites
/news/correlation-discovered-b...IMG-ALT Shibuya, Tokyo Japan street
/news/correlation-discovered-b...Trivial anchor text
Read more
/news/electrically-spun-artifi...IMG-ALT depictions of artificial muscle fiber
/news/electrically-spun-artifi...Text duplicate Trivial anchor text
Read more
/news/doser-builds-relationshi...IMG-ALT Screenshot from DoSER's 25th anniversary event
/news/doser-builds-relationshi...Text duplicate Trivial anchor text
Read more
/news/science-summer-activitie...IMG-ALT Be an Engineer
/news/science-summer-activitie...Text duplicate Trivial anchor text
Read more
/news/scientist-honored-discov...IMG-ALT image of small cell lung cancer
/news/scientist-honored-discov...Text duplicate Trivial anchor text
Read more
/news/correlation-discovered-b...Text duplicate Trivial anchor text
Read more
https://purchase.aaas.org/orde...External Subdomain Join Now
https://www.sciencemag.org/External No Text
https://www.sciencemag.org/External Read the Latest Issue of Science
https://www.sciencemag.org/External Trivial anchor text
More
/news/film-highlights-aaas-sci...No Text
/news/film-highlights-aaas-sci...Film Highlights AAAS Science Diplomacy Efforts with North Korea
/news/film-highlights-aaas-sci...Text duplicate Trivial anchor text
More
/programs/covid-19-resourcesNo Text
/programs/covid-19-resourcesCOVID-19 Resources, Research, and News Coverage from AAAS and the Science Family of Journals
/programs/covid-19-resourcesText duplicate Trivial anchor text
More
https://meetings.aaas.org/e-po...External Subdomain No Text
https://meetings.aaas.org/e-po...External Subdomain Submit your student e-poster abstract for the hybrid 2022 AAAS Annual Meeting by September 14!
https://meetings.aaas.org/e-po...External Subdomain Text duplicate Trivial anchor text
More
/news/dosers-science-seminarie...No Text
/news/dosers-science-seminarie...DoSER’s Science for Seminaries Wins Expanded Reason Award
/news/dosers-science-seminarie...Text duplicate Trivial anchor text
More
/news/aaas-ifthen-ambassadors-...No Text
/news/aaas-ifthen-ambassadors-...AAAS IF/THEN Ambassadors Dr. Ciara Sivels and Dr. Jessica Taaffe Featured in 3M Documentary 'Not the Science Type'
/news/aaas-ifthen-ambassadors-...Text duplicate Trivial anchor text
More
https://seachangeinstitute.aaa...External Subdomain No Text
https://seachangeinstitute.aaa...External Subdomain Transforming Institutions: Systemic Change for DEI in STEMM, a five-part learning series beginning July 21
https://seachangeinstitute.aaa...External Subdomain Text duplicate Trivial anchor text
More
/news/inherited-social-network...No Text
/news/inherited-social-network...Inherited Social Networks Shape Hyena Society and Survival
/news/inherited-social-network...Text duplicate Trivial anchor text
More
/news/gut-brain-axis-yields-cl...No Text
/news/gut-brain-axis-yields-cl...Gut-Brain Axis Yields Clues to Neurodegenerative Disease
/news/gut-brain-axis-yields-cl...Text duplicate Trivial anchor text
More
https://fellowshipapp.aaas.org...External Subdomain No Text
https://fellowshipapp.aaas.org...External Subdomain The S&T Policy Fellowship Application is Now Open!
https://fellowshipapp.aaas.org...External Subdomain Text duplicate Trivial anchor text
More
/news/mass-media-fellows-refle...No Text
/news/mass-media-fellows-refle...Mass Media Fellows Reflect on Paths to Science Communication
/news/mass-media-fellows-refle...Text duplicate Trivial anchor text
More
/news/aaas-kavli-awards-honor-...No Text
/news/aaas-kavli-awards-honor-...AAAS Kavli Awards Honor Distinguished Science Journalism
/news/aaas-kavli-awards-honor-...Text duplicate Trivial anchor text
More
https://members.aaas.org/homeExternal Subdomain AAAS Communities Connecting the Scientific Community
http://www.sciencemag.org/careersExternal SCIENCE CAREERS The premiere center for scientific jobs
http://www.sciencemag.org/External SCIENCE FAMILY OF JOURNALS Six of the field's leading journals
/page/more-aaas-sitesText duplicate More AAAS Sites
/membership/member-spotlight/a...No Text
/membership/member-spotlight/a...Endia Santee Helps Build a Strong Platform for Women in STEM
/membership/member-spotlight/r...No Text
/membership/member-spotlight/r...Robert Pal Is a Man on a Mission – of Ecological Restoration
/membership/member-spotlight/d...No Text
/membership/member-spotlight/d...From Chemistry to Empowering Women, Leyte Winfield Finds Answers
https://www.aaas.org/membershipLearn More
https://www.aaas.org/1848SocietyLeaving a Legacy to AAAS
https://www.aaas.org/1848SocietyText duplicate Trivial anchor text
More
/membership/member-spotlight/l...Leslie Sternlieb on the Power of Science to Change the Human Condition
/membership/member-spotlight/l...Text duplicate Trivial anchor text
More
/membership/member-spotlight/g...Geologist Elisabeth Ervin-Blankenheim is Showing Us Why Geology Matters
/membership/member-spotlight/g...Text duplicate Trivial anchor text
More
https://www.aaas.org/supportText duplicate Support AAAS
https://www.aaas.org/Text duplicate AAAS
https://www.aaas.org/contact-aaasText duplicate Contact Us
https://www.aaas.org/missionAbout Us
https://www.linkedin.com/group...External LinkedIn
https://www.facebook.com/AAAS....External Facebook
https://www.instagram.com/aaas...External Instagram
https://twitter.com/aaasExternal Twitter
https://www.youtube.com/channe...External Youtube
https://www.aaas.org/Trellis
http://members.aaas.org/External Subdomain No Text
https://www.aaas.org/membershipText duplicate Membership
https://www.aaas.org/careersText duplicate Careers at AAAS
/privacy-policyPrivacy Policy
https://www.aaas.org/terms-of-useTerms of Use
/focus-areas/science-educationText duplicate Science Education
/focus-areas/science-diplomacyText duplicate Science Diplomacy
/focus-areas/public-engagementText duplicate Public Engagement
/focus-areas/careers-stemText duplicate Careers in STEM
/focus-areas/shaping-science-p...Text duplicate Shaping Science Policy
/focus-areas/advocacy-evidenceText duplicate Advocacy for Evidence
/focus-areas/federal-science-b...R&D Budget Analysis
/focus-areas/human-rights-law-...Text duplicate Human Rights, Ethics & Law

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.aaas.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.38 seconds.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (118 kB).

HTTP Response Header

NameValue
connectionkeep-alive
content-length25352
cache-controlmax-age=900, public
content-encodinggzip
content-languageen
content-typetext/html; charset=UTF-8
etagW/"1630015789"
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedThu, 26 Aug 2021 22:09:49 GMT
link<https://www.aaas.org/>; rel="shortlink", <https://www.aaas.org/>; rel="canonical"
link<https://www.aaas.org/home>; rel="revision"
servernginx
x-content-type-optionsnosniff
x-drupal-cacheMISS
x-drupal-dynamic-cacheMISS
x-frame-optionsSAMEORIGIN
x-generatorDrupal 8 (https://www.drupal.org)
x-pantheon-styx-hostnamestyx-fe1-b-5494589947-b7n8h
x-styx-req-id54c34558-06ba-11ec-a43f-d690c820607d
x-ua-compatibleIE=edge
dateThu, 26 Aug 2021 22:11:18 GMT
x-served-bycache-mdw17337-MDW, cache-fra19183-FRA
x-cacheHIT, MISS
x-cache-hits1, 0
x-timerS1630015878.901756,VS0,VE107
pantheon-trace-iddb1f08ac939246b2844956cc58840055
varyAccept-Encoding, Cookie, Cookie, Cookie
age87
accept-rangesbytes
via1.1 varnish, 1.1 varnish
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 page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 24,887 referring domains.
This page has 2,168,344 backlinks.
This page has backlinks from 18,721 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 4667 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: AhrefsBot    
User-agent: DotBot
User-agent: MJ12bot
Disallow: /

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# This specifically targets the URL parameter pattern seen in a typical Drupal Search (e.g. Solr facets).
Disallow: /*?f[*
Disallow: /*&f[*
Disallow: /*?f%5B0*
Disallow: /*&f%5B1*
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
Disallow: /fellows/historic
Disallow: /fellows/listing
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=contact/
Disallow: /?q=logout/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
# Paths (clean URLs) - fixed
Disallow: /admin
Disallow: /comment/reply
Disallow: /filter/tips
Disallow: /node/add
Disallow: /search
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /fellows/historic
Disallow: /fellows/listing
# Paths (no clean URLs) - fixed
Disallow: /index.php/admin
Disallow: /index.php/comment/reply
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add
Disallow: /index.php/search
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
# Paths (no clean URLs) – fixed
Disallow: /?q=admin
Disallow: /?q=comment/reply
Disallow: /?q=contact
Disallow: /?q=logout
Disallow: /?q=node/add
Disallow: /?q=search
Disallow: /?q=user/password
Disallow: /?q=user/register
Disallow: /?q=user/login

Most important keywords

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

KeywordResultRecheck
AAAS68%Check
AAAS Science61%Check
Science55%Check
AAAS Communities52%Check
Science Diplomacy47%Check
SCIENCE FAMILY47%Check
Science Summer46%Check
American Association46%Check
SCIENCE CAREERS45%Check
Resource44%Check

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