Aaas.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
81% 
Page structure
81% 
Link structure
25% 
Server
97% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
117.60 kB
Words
721
Media files
26
Number of links
121 internal / 24 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: Proteins released in response to stress hormones also li...
This page contains 721 words. That's ok.
20.7% 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 20.57 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 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 website 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
https://www.aaas.org/No alt attribute provided
https://www.aaas.org/No alt attribute provided
https://www.aaas.org/No alt attribute provided
...0_neutrophils_carousel.jpg?itok=-pIceA2yneutrophils
...2/news_1204_kavli_hero.png?itok=cHVwfp3OA stylized infographic on flattening the curve
...2/news_1202_mason_hero.png?itok=fULjBSGVA collage of four women's headshots
...26_electedfellows_hero.png?itok=B-LtkRLKnews_1126_electedfellows_hero
.../news_1116_loreal_hero.png?itok=NeLWqwrlHeadshots of five smiling women
...0212aaas-org site_hmpg.jpg?itok=6hiOxELiNo alt attribute provided
...2/Untitled design (29).png?itok=hZSmZ3wCNo alt attribute provided
..._AAAS_Resources_Square.png?itok=4cIbRSm_No alt attribute provided
...c/2020-02/AM21_aaasorg.jpg?itok=eXL2yDFsNo alt attribute provided
...920_mouse_cells_teaser.jpg?itok=p-npTdK-No alt attribute provided
...ews_1117_ifthen_square.png?itok=ArKYhpyINo alt attribute provided
...220_PharmaMoney_teaser.jpg?itok=97GBHxymNo alt attribute provided
...news_1102_stpf_square1.png?itok=2ZBvmmoyNo alt attribute provided
...1/Untitled design (27).png?itok=Q-iIjbO5No alt attribute provided
...news_1021_forum_square.png?itok=6H0Ahz_CNo alt attribute provided
...2120_aspirinBSC_teaser.jpg?itok=R5YIViovNo alt attribute provided
...102820_penguins_teaser.jpg?itok=74dz6_UlNo alt attribute provided
...efault/files/2020-07/Gilbert_440x440.jpgNo alt attribute provided
...lt/files/2020-07/Hammerstedt_440x440.jpgNo alt attribute provided
...default/files/2020-07/Goulet_440x440.jpgNo alt attribute provided
...c/2020-03/Janet Chen_1.jpg?itok=dfB-5UddNo alt attribute provided
...ic/2019-06/w_orenstein.jpg?itok=-VyMgR_rNo alt attribute provided
...lic/2019-04/Mani-480_1.jpg?itok=0fkvxt6KNo 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 In Memoriam: Abana Jacobs, Tireless Advocate for Science Education and AAAS
H4 COVID-19 Resources, Research, and News Coverage from AAAS and the Science Family of Journals
H4 Register today for the virtual 2021 AAAS Annual Meeting!
H4 New Techniques Track Development of Millions of Cells in Animals
H4 AAAS IF/THEN Ambassadors Inspire Girls to Pursue STEM
H4 Expensive Drugs for Rare Muscle Disease Bring Only Minor Benefits
H4 Science & Technology Policy Fellows Seize Opportunities in Federal Government
H4 AAAS Statement on Proposed Rule by U.S. Homeland Security Affecting Nonimmigrant Academic Students
H4 Systemic Racism in the Sciences Requires Structural Solutions
H4 Aspirin Reverses Chemotherapy Resistance in Breast Cancer Cells and Mice
H4 New Algorithm Optimizes Data Collection by Drones on Antarctica
H4 External Sites
H4 Sitting Down with Dr. Janet Chen
H4 Walter Orenstein: Vaccine Fears Threaten Progress Against Disease
H4 AAAS Mani L. Bhaumik Award for Public Engagement with Science
H4 Useful Links
H4 Focus Areas
Some anchor texts are used more than once.
13 links don't have an anchor text.
There are 19 links with a trivial anchor text.
The amount of internal links is ok.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are 24 external links 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/stress-can-awaken-sleepi...IMG-ALT neutrophils
/news/stress-can-awaken-sleepi...Trivial anchor text
Read more
/news/christie-aschwanden-covi...IMG-ALT A stylized infographic on flattening the curve
/news/christie-aschwanden-covi...Text duplicate Trivial anchor text
Read more
/news/aaas-announces-2021-mari...IMG-ALT A collage of four women's headshots
/news/aaas-announces-2021-mari...Text duplicate Trivial anchor text
Read more
/news/aaas-announces-leading-s...IMG-ALT news_1126_electedfellows_hero
/news/aaas-announces-leading-s...Text duplicate Trivial anchor text
Read more
/news/loreal-usa-funds-researc...IMG-ALT Headshots of five smiling women
/news/loreal-usa-funds-researc...Text duplicate Trivial anchor text
Read more
/news/stress-can-awaken-sleepi...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/memoriam-abana-jacobs-ti...No Text
/news/memoriam-abana-jacobs-ti...In Memoriam: Abana Jacobs, Tireless Advocate for Science Education and AAAS
/news/memoriam-abana-jacobs-ti...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/regi...External Subdomain No Text
https://meetings.aaas.org/regi...External Subdomain Register today for the virtual 2021 AAAS Annual Meeting!
https://meetings.aaas.org/regi...External Subdomain Text duplicate Trivial anchor text
More
/news/new-techniques-track-dev...No Text
/news/new-techniques-track-dev...New Techniques Track Development of Millions of Cells in Animals
/news/new-techniques-track-dev...Text duplicate Trivial anchor text
More
/news/aaas-ifthen-ambassadors-...No Text
/news/aaas-ifthen-ambassadors-...AAAS IF/THEN Ambassadors Inspire Girls to Pursue STEM
/news/aaas-ifthen-ambassadors-...Text duplicate Trivial anchor text
More
/news/expensive-drugs-rare-mus...No Text
/news/expensive-drugs-rare-mus...Expensive Drugs for Rare Muscle Disease Bring Only Minor Benefits
/news/expensive-drugs-rare-mus...Text duplicate Trivial anchor text
More
/news/science-technology-polic...No Text
/news/science-technology-polic...Science & Technology Policy Fellows Seize Opportunities in Federal Government
/news/science-technology-polic...Text duplicate Trivial anchor text
More
/sites/default/files/2020-10/A...No Text
/sites/default/files/2020-10/A...AAAS Statement on Proposed Rule by U.S. Homeland Security Affecting Nonimmigrant Academic Students
/sites/default/files/2020-10/A...Text duplicate Trivial anchor text
More
/news/systemic-racism-sciences...No Text
/news/systemic-racism-sciences...Systemic Racism in the Sciences Requires Structural Solutions
/news/systemic-racism-sciences...Text duplicate Trivial anchor text
More
/news/aspirin-reverses-chemoth...No Text
/news/aspirin-reverses-chemoth...Aspirin Reverses Chemotherapy Resistance in Breast Cancer Cells and Mice
/news/aspirin-reverses-chemoth...Text duplicate Trivial anchor text
More
/news/new-algorithm-optimizes-...No Text
/news/new-algorithm-optimizes-...New Algorithm Optimizes Data Collection by Drones on Antarctica
/news/new-algorithm-optimizes-...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...AAAS Fellow Juan Gilbert Builds Tech for Voting and to Make STEM More Divers
/membership/member-spotlight/a...No Text
/membership/member-spotlight/a...Archaeologist Scott Hammerstedt looks for answers in Tulsa Race Massacre of 1921
/membership/member-spotlight/m...No Text
/membership/member-spotlight/m...Marine Biologist Dr. Tamar L. Goulet Explores Mutualism on Coral Reefs
https://www.aaas.org/membershipLearn More
https://www.aaas.org/JanetChenSitting Down with Dr. Janet Chen
https://www.aaas.org/JanetChenText duplicate Trivial anchor text
More
/membership/member-spotlight/w...Walter Orenstein: Vaccine Fears Threaten Progress Against Disease
/membership/member-spotlight/w...Text duplicate Trivial anchor text
More
/news/aaas-mani-l-bhaumik-awar...AAAS Mani L. Bhaumik Award for Public Engagement with Science
/news/aaas-mani-l-bhaumik-awar...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 website redirects to "https://www.aaas.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
This website loads 4 javascript files. This may affect the load time negatively.
The page response time is excellent with 0.14 seconds.
This website 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-length24989
cache-controlmax-age=900, public
content-encodinggzip
content-languageen
content-typetext/html; charset=UTF-8
etagW/"1607181437"
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedSat, 05 Dec 2020 15:17:17 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-cacheHIT
x-drupal-dynamic-cacheMISS
x-frame-optionsSAMEORIGIN
x-generatorDrupal 8 (https://www.drupal.org)
x-pantheon-styx-hostnamestyx-fe1-b-5488d894d8-cbdxk
x-styx-req-idc9c2406e-3728-11eb-b0a0-aeb2e6da99c3
x-ua-compatibleIE=edge
dateSun, 06 Dec 2020 06:40:09 GMT
x-served-bycache-mdw17339-MDW, cache-fra19162-FRA
x-cacheHIT, HIT
x-cache-hits1, 1
x-timerS1607236810.712147,VS0,VE104
varyAccept-Encoding, Cookie, Cookie, Cookie
age608
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 website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 18,527 referring domains.
This website has 1,978,920 backlinks.
This website has backlinks from 14,544 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

#
# 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

Facebook popularity

Shares / Likes / Comments
4,667

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

Most important keywords

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

KeywordResultRecheck
AAAS68%Check
Science55%Check
AAAS Announces52%Check
AAAS Communities52%Check
science journals48%Check
2021 AAAS Annual Meeting47%Check
SCIENCE FAMILY47%Check
Science Education47%Check
New46%Check
American Association46%Check

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