Nsta.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
55% 
Page structure
95% 
Link structure
43% 
Server
92% 
External factors
100% 
SEO Score
Response time
0.16 s
File size
105.80 kB
Words
1416
Media files
11
Number of links
137 internal / 34 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Homepage | NSTA
The page title is too short. (168 pixels of 580 max pixel length) 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.nsta.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
viewportwidth=device-width, initial-scale=1.0
GeneratorDrupal 8 (Thunder | http://www.thunder.org)
MobileOptimizedwidth
HandheldFriendlytrue
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are 10 text duplicates on this page:
  • Duplicate 1: Join us on Tuesday, August 10, 2021, from 12:00 PM to 1:15 PM ET for t...
  • Duplicate 2: Join us on Thursday, August 19, 2021, from 7:00 PM to 8:00 PM ET to le...
  • Duplicate 3: Transforming Science Learning: Part 1: Leveraging Assets to Build on S...
  • Duplicate 4: Join us on Wednesday, August 25, 2021, from 7:00 PM to 8:30 PM ET for ...
  • Duplicate 5: Join us on Thursday, September 16, 2021, from 7:00 PM to 8:00 PM ET, t...
The average number of words per sentence of 28.07 words is high.
This page contains 1416 words. That's ok.
24.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
30 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
No Apple touch icon is specified.
This page loads 6 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 28 tags for this page.
Image SEO
(Somewhat important)
7 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
...es/custom/nstabuild/images/logo-nsta.svgNSTA - National Science Teachers Association
/themes/custom/nstabuild/images/logo-sm.svgNSTA - National Science Teachers Association
...es/custom/nstabuild/images/join-icon.svgNo alt attribute provided
...utting_Concepts_webseminar_Mar21_660.jpgCrosscutting-Concepts
/themes/custom/nstabuild/images/logo-sm.svgNSTA - National Science Teachers Association
...ocialMedia_Logos_Facebook_color_30_0.pngNo alt attribute provided
...cialMedia_Logos_Twitter_whiteblue_30.pngNo alt attribute provided
...alMedia_Logos_Instagram_whiteblue_30.pngNo alt attribute provided
...cialMedia_Logos_Youtube_whiteblue_30.pngNo alt attribute provided
...ialMedia_Logos_LinkedIn_whiteblue_30.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
We Are Grateful for All You Do
The H1 heading is perfect.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 We Are Grateful for All You Do
H2 Network
H3 Discover
H3 Topics
H3 Popular Topics
H3 NSTA Daily Do
H3 Bestselling Books
H3 Learn
H3 Upcoming Web Seminars
H3 Homepage
H3 Learning Opportunities
H3 Empty heading
H3 Membership
H4 MyNSTA Community
H4 Empty heading
H4 Crosscutting Concepts: A Professional Book Study for K-12 Educators
H4 Network with Peers at Upcoming Web Seminars
H5 August 2021
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (34) on this page.
LinkAttributesAnchor text
https://www.nsta.org/Anchor Skip to main content
https://www.nsta.org/IMG-ALT NSTA - National Science Teachers Association
https://www.nsta.org/bookstoreBookstore
https://my.nsta.org/account/lo...External Subdomain Log In
https://www.nsta.org/membershipJoin
https://my.nsta.org/searchExternal Subdomain Search
https://www.nsta.org/membershipText duplicate Join
https://www.nsta.org/resourcesResources
https://www.nsta.org/publicationsPublications
https://www.nsta.org/bookstoreText duplicate Bookstore
/conferences-and-eventsConferences & Events
/professional-learningProfessional Learning
https://www.nsta.org/membershipMembership
/science-standardsScience Standards
/awards-and-competitionsAwards & Competitions
https://www.nsta.org/donateDonate
/resources/topicsby Topic
/resources/levelsby Level
https://www.nsta.org/typesby Type
https://www.nsta.org/daily-doDaily Do Lesson Plans
https://www.nsta.org/freeFree Resources
https://www.nsta.org/blogBlog
/types/journalsJournals
https://www.nsta.org/bookstoreBooks
https://my.nsta.org/ebooksExternal Subdomain Interactive eBooks+
https://www.nsta.org/enewsletterse-Newsletters
https://www.nsta.org/bookstoreBestselling Books
https://www.nsta.org/bookstoreLatest Books
https://www.nsta.org/nsta-kidsNSTA Kids
/popular-book-seriesPopular Book Series
/write-nsta-pressProspective Authors
https://www.nsta.org/egift-cardsGift Cards
https://www.nsta.org/calendarCalendar
https://my.nsta.org/webseminarsExternal Subdomain Web Seminars
https://www.nsta.org/exhibitorsExhibits & Sponsorship
/engage-spring-21NSTA Engage: Spring21
https://www.nsta.org/stem21STEM21
/professional-learningLatest Resources
/nsta-district-professional-le...District Professional Learning
https://my.nsta.org/webseminarsExternal Subdomain Text duplicate Web Seminars
https://my.nsta.org/online-cou...External Subdomain Online Course Providers
https://www.nsta.org/membershipJoin Today
/school-and-district-membershi...Schools & Districts
/college-professorsCollege Professors & Students
/corporate-membershipCorporate
https://my.nsta.org/ngss/Acces...External Subdomain The Standards
/teachers-and-administratorsTeachers and Admin
https://www.nsta.org/parent-qParents
https://new.nsta.org/shell-sci...External Subdomain Shell Science Lab Regional Challenge
https://www.ecybermission.com/External eCYBERMISSION
http://www.exploravision.org/External Toshiba/NSTA ExploraVision
http://www.jshs.org/External Junior Science & Humanities Symposium
/awards-and-recognition-programTeaching Awards
/topics/biologyBiology
/topics/chemistryChemistry
/topics/climate-changeClimate Change
/topics/earth-space-scienceEarth & Space Science
/topics/evolutionEvolution
https://www.nsta.org/topics/ngssNGSS
/topics/new-science-teachersNew Science Teachers
/topics/physicsPhysics
https://www.nsta.org/topics/stemSTEM
https://www.nsta.org/topicsview all
/levels/early-childhoodEarly Childhood
/levels/elementaryElementary
/levels/middle-schoolMiddle School
/levels/high-schoolHigh School
/levels/postsecondaryPostsecondary
/levels/informal-educationInformal Education
https://www.nsta.org/bookstoreText duplicate Books
https://www.nsta.org/journalsJournal Articles
https://www.nsta.org/lesson-plansLesson Plans
https://www.nsta.org/blogBlog Posts
https://my.nsta.org/ebooksExternal Subdomain Text duplicate Interactive eBooks+
https://www.nsta.org/podcastsPodcasts
https://www.nsta.org/enewsletterse-newsletters
/science-and-childrenScience & Children
/science-scopeScience Scope
/science-teacherThe Science Teacher
/journal-college-science-teachingJournal of College Sci. Teaching
/connected-science-learningConnected Science Learning
https://www.nsta.org/bookstoreText duplicate Bestselling Books
https://www.nsta.org/bookstoreText duplicate Latest Books
https://www.nsta.org/nsta-kidsText duplicate NSTA Kids
/popular-book-seriesText duplicate Popular Book Series
/write-nsta-pressText duplicate Prospective Authors
https://www.nsta.org/nsta-reportsNSTA Reports
https://www.nsta.org/bookbeatBook Beat
/nextgennavigatorNext-Gen Navigator
/stemclassroomSTEM Classroom
/corporate-membersCorporate Members
https://my.nsta.org/ngss/Acces...External Subdomain Anchor Text duplicate Elementary
https://my.nsta.org/ngss/Acces...External Subdomain Anchor Text duplicate Middle School
https://my.nsta.org/ngss/Acces...External Subdomain Anchor Text duplicate High School
https://my.nsta.org/accountExternal Subdomain My Account
https://my.nsta.org/mylibraryExternal Subdomain My Library
https://my.nsta.org/mylibrary/...External Subdomain Collections
https://my.nsta.org/forumExternal Subdomain Discussion Forums
https://my.nsta.org/peersExternal Subdomain Peers
https://my.nsta.org/groupExternal Subdomain Cohorts
https://www.nsta.org/membershipLearn More
/american-rescue-planAmerican Rescue Plan Science Learning Package for Schools and Districts
https://my.nsta.org/event/cros...External Subdomain Web Seminar Series • Crosscutting Concepts: August 2021: A Professional Book Study for K-12 Educators
https://www.nsta.org/stem21STEM21 • Virtual Conference, July 24-30
https://www.nsta.org/membershipNSTA Membership
https://www.nsta.org/lesson-plansText duplicate Lesson Plans
https://www.nsta.org/journalsText duplicate Journals
https://www.nsta.org/freeText duplicate Free Resources
/levels/postsecondaryText duplicate Postsecondary
/levels/elementaryText duplicate Elementary
/levels/high-schoolText duplicate High School
/levels/middle-schoolText duplicate Middle School
https://www.nsta.org/sensemakingSensemaking
/resources/daily-doFull Daily Do Library
/lesson-plan/why-ocean-water-w...Lesson Plan Why Is Ocean Water Warming Faster in Some Places Than Others?
/lesson-plan/how-can-cows-diet...Lesson Plan How Can a Cow's Diet Affect the Climate?
/lesson-plan/what-do-cardboard...Lesson Plan What Do Cardboard Boxes Have to Do With Carbon Emissions?
/lesson-plan/how-can-we-use-da...Lesson Plan How Can We Use Data to Predict the Length of a Shadow?
/resources/crosscutting-concep...NSTA Press Book Crosscutting Concepts: Strengthening Science and Engineering Learning Maybe you have a good grasp of disciplinary core ideas and science and ...
/resources/nsta-quick-referenc...NSTA Press Book The NSTA Quick-Reference Guide to the NGSS, K-12 Since the release of the first draft of the Next Generation Science Standards (NGSS), NSTA h...
/resources/picture-perfect-ste...NSTA Press Book Picture-Perfect STEM Lessons, K–2: Using Children’s Books to Inspire STEM Learning "Teachers in our district have been fans of Picture-Perfec...
/resources/eureka-grade-3-5-sc...NSTA Press Book Eureka! Grade 3–5 Science Activities and Stories Winner of the Bronze EXCEL Award from Association Media & Publishing!...
/resources/teacher-tip-tuesday...Web Seminar Teacher Tip Tuesday: Learn and Lead on Twitter, August 10, 2021 Join us on Tuesday, August 10, 2021, from 12:00 PM to 1:15 PM ET for the kick-off...
/resources/science-update-amaz...Web Seminar Science Update: The Amazon: Why We Should Care and What We Should Fear, August 19, 2021 Join us on Thursday, August 19, 2021, from 7:00 PM to 8:0...
https://www.nsta.org/node/520626Member Web Seminar Transforming Science Learning: Part 1: Leveraging Assets to Build on Student Experiences, August 25, 2021 Join us on Wednesday, August 25,...
/resources/web-seminar-are-you...Web Seminar Web Seminar: Are your Lab SOPs in Place for a Safer School Year?, September 16, 2021 Join us on Thursday, September 16, 2021, from 7:00 PM to 8:0...
/professional-learningMore Professional Learning
/distance-learningDistance Learning
https://my.nsta.org/webseminarsExternal Subdomain Text duplicate Web Seminars
https://my.nsta.org/forum/dist...External Subdomain Forum Discussion Topic: Distance Learning
https://my.nsta.org/peersExternal Subdomain Meet our Top Users
https://twitter.com/hashtag/NG...External #NGSSslowchat
/blog/practice-what-you-teachPractice What You Teach
/resources/teacher-tip-tuesday...Text duplicate Web Seminar Teacher Tip Tuesday: Learn and Lead on Twitter, August 10, 2021 Join us on Tuesday, August 10, 2021, from 12:00 PM to 1:15 PM ET for the kick-off...
/resources/science-update-amaz...Text duplicate Web Seminar Science Update: The Amazon: Why We Should Care and What We Should Fear, August 19, 2021 Join us on Thursday, August 19, 2021, from 7:00 PM to 8:0...
https://www.nsta.org/node/520626Text duplicate Member Web Seminar Transforming Science Learning: Part 1: Leveraging Assets to Build on Student Experiences, August 25, 2021 Join us on Wednesday, August 25,...
/resources/web-seminar-are-you...Text duplicate Web Seminar Web Seminar: Are your Lab SOPs in Place for a Safer School Year?, September 16, 2021 Join us on Thursday, September 16, 2021, from 7:00 PM to 8:0...
https://www.nsta.org/node/520627Member Web Seminar Transforming Science Learning: Part 2: Leveraging Assets to Build on Student Experiences, September 22, 2021 Join us on Wednesday, Septemb...
/resources/science-update-our-...Web Seminar Science Update: Our Universe through Sight, Sound & Touch, September 23, 2021 Join us on Thursday, September 23, 2021, from 7:00 PM to 8:00 PM ET...
/resources/web-seminar-lab-saf...Web Seminar Web Seminar: Lab Safety Considerations for Pre-service Elementary Science/STEM Teachers, September 30, 2021 Pre-service Elementary Teachers join ...
/resources/web-seminar-lab-saf...Web Seminar Web Seminar: Lab Safety Considerations for Pre-service Secondary Science/STEM Teachers, October 4, 2021 Pre-service Secondary Teachers join us on...
/resources/web-seminar-looking...Web Seminar Web Seminar: Looking for a Few Good Educators to Serve on the NSTA Council and Board of Directors, October 7, 2021 Join us on Thursday, October 7...
/resources/science-update-stat...Web Seminar Science Update: State of the Climate, October 14, 2021 Join us on Thursday, October 14, 2021, from 7:00 PM to 8:00 PM ET to learn about the lates...
/resources/web-seminar-develop...Web Seminar Web Seminar: Developing a Competitive Teacher Award Application, November 4, 2021 Join us on Thursday, November 4, 2021, from 7:00 PM to 8:00 PM ...
/resources/science-update-park...Web Seminar Science Update: Parker Solar Probe Close Up View of the Sun’s Environment, November 18, 2021 Join us on Thursday, November 18, 2021, from 7:00 PM...
/resources/science-update-prot...Web Seminar Science Update: Protecting the Elusive & Endangered Hawaiian False Killer Whale, December 2, 2021 Join us on Thursday, December 2, 2021, from 7:0...
https://my.nsta.org/membership...External Subdomain JOIN NOW
https://www.nsta.org/bookstoreText duplicate Bookstore
/conferences-eventsText duplicate Conferences & Events
/professional-learningText duplicate Professional Learning
https://www.nsta.org/membershipText duplicate Membership
/science-standardsText duplicate Science Standards
https://www.nsta.org/blogText duplicate Blog
/awards-and-competitionsCompetitions
https://www.nsta.org/overviewAbout NSTA
/contact-and-locationContact and Location
/nsta-partnersCorporate & Federal Partner Programs
/meet-nsta-leadershipMeet the NSTA Leadership
https://careers.nsta.org/External Subdomain NSTA Career Center
/nstas-official-positionsPosition Statements
/press-releasesPress Releases
http://nstasciencesupplyguide....External Science Supply Guide
/administratorsFor Administrators
/college-professorsFor College Professors
https://www.nsta.org/advertisersFor Advertisers
https://www.nsta.org/exhibitorsFor Exhibitors
http://www.facebook.com/NSTA.FBNew window External No Text
https://twitter.com/NSTANew window External No Text
https://www.instagram.com/offi...New window External No Text
https://www.youtube.com/user/N...New window External No Text
https://www.linkedin.com/compa...New window External No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nsta.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 6 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.16 seconds.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (106 kB).

HTTP Response Header

NameValue
connectionkeep-alive
content-length29472
cache-controlmax-age=3600, public
content-encodinggzip
content-languageen
content-typetext/html; charset=UTF-8
etagW/"1628153682"
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedThu, 05 Aug 2021 08:54:42 GMT
link<https://www.nsta.org/>; rel="shortlink", <https://www.nsta.org/>; rel="canonical"
link<https://www.nsta.org/node/475>; rel="revision"
servernginx
strict-transport-securitymax-age=300
x-content-type-optionsnosniff
x-drupal-cacheHIT
x-drupal-dynamic-cacheUNCACHEABLE
x-frame-optionsSAMEORIGIN
x-generatorDrupal 8 (https://www.drupal.org)
x-pantheon-styx-hostnamestyx-fe4-a-667d78d458-92zh6
x-styx-req-id2e0098b7-f5cc-11eb-a342-56aec0d217ee
x-ua-compatibleIE=edge
dateThu, 05 Aug 2021 09:22:18 GMT
x-served-bycache-mdw17346-MDW, cache-fra19125-FRA
x-cacheHIT, MISS
x-cache-hits1, 0
x-timerS1628155339.563336,VS0,VE120
pantheon-trace-id6b0316582e974bcc8c140b4e8430068e
varyAccept-Encoding, Cookie, Cookie, Cookie
age1053
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 9,211 referring domains.
This page has 519,577 backlinks.
This page has backlinks from 7,087 different ip addresses.
Facebook popularity
(Somewhat important)
This page 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: *
# 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
# 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/
# 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/

Facebook popularity

Shares / Likes / Comments
1,826

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

Search preview

www.nsta.org
Homepage | NSTA

Most important keywords

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

KeywordResultRecheck
NSTA70%Check
Homepage47%Check
Book44%Check
Web44%Check
Web Seminar44%Check
Seminar44%Check
Science Learning web seminar44%Check
Topics43%Check
Learn43%Check
Topic43%Check

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