Nctm.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
66% 
Page structure
75% 
Link structure
2% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.62 s
File size
193.50 kB
Words
780
Media files
21
Number of links
193 internal / 43 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Index - National Council of Teachers of Mathematics
The length of the page title is perfect. (467 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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
testEmpty
description<p><br/></p>
keywordsMathmathetics
langen
twitter:widgets:cspon
X-UA-CompatibleIE=edge
charsetutf-8

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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 780 words. That's ok.
17.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 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 22 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: featured article
Image SEO
(Somewhat important)
16 images have no alt attribute. The content of alt attributes is used by search engines.
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.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Featured Classroom Resources
H2 Adding It All Up Podcast
H2 Journals
H2 Featured Jobs
H2 News
H3 Position Statements
H4 Notice and Wonder
H4 Illuminations
H4 Problems of the Week
H4 Free Resource of the Week
H5 All Grades Contextualizing Explanations to Support Sense Making
H5 Grades PK–2 Break Out of Your Routine with Escape Rooms
H5 Grades 3–5 Productive Talk Across a Launch-Explore-Discuss Lesson
H5 Teaching is a Journey The Power of Open-Ended Questions
H5 Featured Article Belonging Matters: Amplifying Teachers’ Voices in Schools
H5 Empty heading
H5 Featured Article Identity, Power, and Dignity: A Positional Analysis of Gisela in Her High School Mathematics Classroom
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.
7 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (43) on this page.
LinkAttributesAnchor text
https://www.nctm.org/No Text
/login/?rurl=/Log in
/Membership/Join-Options/Join
https://www.nctm.org/Cart/View Cart
https://www.nctm.org/storeStore
/classroomresources/Classroom Resources
/noticeandwonder/Notice and Wonder
https://illuminations.nctm.org/External Subdomain Illuminations
https://www.nctm.org/pows/Problems of the Week
/Membership/NCTM-Problems-to-P...Problems to Ponder
/Classroom-Resources/Innovativ...Innovative Lessons and Activities
/online-learning/webinars/grou...Classroom Conversations
https://www.nctm.org/tips/Tips for Teachers
/Classroom-Resources/Features/...Math Sightings
/generation-genius/Video Lessons
/backtoschool/Back to School Resources
/Publications/Publications-Mai...Publications
/store/all-products/featured/Featured Books
https://mediakits.theygsgroup....External Subdomain Advertise
https://www.nctm.org/mtlt/Mathematics Teacher: Learning and Teaching PK-12
https://www.nctm.org/jrme/Journal for Research in Mathematics Education
https://www.nctm.org/mte/Mathematics Teacher Educator
https://pubs.nctm.org/page/sub...External Subdomain Institutional Subscriptions
/Publications/Rights-and-Permi...Rights and Permissions
/Publications/Write,-Review,-R...Write, Review, Referee
/Publications/Legacy-Journals-...Legacy Journals and Blogs
/standardspositions/Standards & Positions
https://www.nctm.org/PtA/Principles to Actions
/Standards-and-Positions/NCTM-...Position Statements
https://www.nctm.org/change/Catalyzing Change
/Standards-and-Positions/CAEP-...Standards for Mathematics Teacher Preparation
/curriculumfocalpoints/Curriculum Focal Points
/Standards-and-Positions/GAISE...GAISE II
/Standards-and-Positions/Focus...Focus in High School Mathematics
/Standards-and-Positions/NCTM-...NCTM Standards
/advocacy-main/Advocacy
/Research-and-Advocacy/policie...Policies and Recommendations
/advocacy-toolkit/Advocacy Toolkit
http://cqrcengage.com/nctm/?8External Advocacy and Legislation
/Advocacy/Features/ESSER/Distr...ESSER - District Solutions
https://www.nctm.org/essatoolkit/Every Student Succeeds Act - ESSA Toolkit
/socialjustice/NCTM Social Justice and Equity Resources
/Conferences-and-Professional-...Capitol Hill Day 2023
https://www.nctm.org/research/Research
/Research-and-Advocacy/researc...Research Briefs & Clips
/Research-and-Advocacy/Linking...Linking Research & Practice
/Conferences-and-Professional-...Research Conference
/store/jrmemono/Research Monographs
https://pubs.nctm.org/view/jou...External Subdomain Text duplicate Journal for Research in Mathematics Education
/mathematics2021/Continuing the Journey
/conferencespd/Conferences & Professional Development
https://www.nctm.org/chicago2024NCTM Annual Meeting & Exposition
/Conferences-and-Professional-...Professional Development Resources
https://www.nctm.org/nationals/National Conferences
/chicago2024/research/Text duplicate Research Conference
/virtualconferences/Virtual Conference
/institutes2024/Interactive Institutes
/Conferences-and-Professional-...Speaking at NCTM Events
/online-learningWebinars
https://www.nctm.org/pd/Professional Services
/Advocacy/Features/ESSER/Distr...NCTM District Solutions
/Professional-Development/NCTM...NCTM Teacher Education Program Review Training
/ncte-nctm2024/NCTE-NCTM Joint Conference on Elementary Literacy & Mathematics
http://mediakits.theygsgroup.c...External Subdomain Exhibit, Advertise, Sponsor
/Conferences-and-Professional-...Subdomain Book Study
/grantsawards/Grants & Awards
https://www.nctm.org/funding/Funding Opportunities
https://www.nctm.org/MET/About Mathematics Education Trust
https://www.nctm.org/Grants/Browse All Grants
https://www.nctm.org/Donate/Giving Opportunities
/Grants-and-Awards/Special-Eve...Special Events
/Grants-and-Awards/Lifetime-Ac...Lifetime Achievement Award
/Grants-and-Awards/Awards/Life...Social Justice and Mathematics
https://www.nctm.org/membership/Membership
https://members.nctm.org/site/...External Subdomain Individuals
/Membership/Schools-and-Distri...Schools and Districts
/Membership/Group-Content-Access/Group Content Access
https://www.nctm.org/About/About
https://www.nctm.org/affiliates/Affiliates
https://www.nctm.org/news/News & Calendar
http://nctm-jobs.careerwebsite...External Subdomain Career Center
/Get-Involved/Get Involved
https://www.nctm.org/support-us/Support Us
https://my.nctm.org/home/External Subdomain MyNCTM
https://www.nctm.org/About/Text duplicate About
https://www.nctm.org/affiliates/Text duplicate Affiliates
https://www.nctm.org/news/Text duplicate News & Calendar
http://nctm-jobs.careerwebsite...External Subdomain Text duplicate Career Center
/Get-Involved/Text duplicate Get Involved
https://www.nctm.org/support-us/Text duplicate Support Us
https://my.nctm.org/home/External Subdomain Text duplicate MyNCTM
/login/?rurl=/Log In
https://www.nctm.org/About/Text duplicate About
https://www.nctm.org/affiliates/Text duplicate Affiliates
https://www.nctm.org/news/Text duplicate News & Calendar
http://nctm-jobs.careerwebsite...External Subdomain Text duplicate Career Center
/Get-Involved/Text duplicate Get Involved
https://www.nctm.org/support-us/Text duplicate Support Us
https://my.nctm.org/home/External Subdomain Text duplicate MyNCTM
/Membership/Join-Options/Join Now
https://www.nctm.org/Cart/Text duplicate View Cart
https://www.nctm.org/storeNCTM Store
https://www.nctm.org/A-TITLE National Council of Teachers of Mathematics
/classroomresources/Text duplicate Classroom Resources
/noticeandwonder/Text duplicate Notice and Wonder
https://illuminations.nctm.org/External Subdomain Text duplicate Illuminations
https://www.nctm.org/pows/Text duplicate Problems of the Week
/Membership/NCTM-Problems-to-P...Text duplicate Problems to Ponder
/Classroom-Resources/Innovativ...Text duplicate Innovative Lessons and Activities
/online-learning/webinars/grou...Text duplicate Classroom Conversations
https://www.nctm.org/tips/Text duplicate Tips for Teachers
/Classroom-Resources/Features/...Text duplicate Math Sightings
/generation-genius/Text duplicate Video Lessons
/backtoschool/Text duplicate Back to School Resources
/Publications/Publications-Mai...Text duplicate Publications
/store/all-products/featured/Text duplicate Featured Books
https://mediakits.theygsgroup....External Subdomain Text duplicate Advertise
https://www.nctm.org/mtlt/Text duplicate Mathematics Teacher: Learning and Teaching PK-12
https://www.nctm.org/jrme/Text duplicate Journal for Research in Mathematics Education
https://www.nctm.org/mte/Text duplicate Mathematics Teacher Educator
https://pubs.nctm.org/page/sub...External Subdomain Text duplicate Institutional Subscriptions
/Publications/Rights-and-Permi...Text duplicate Rights and Permissions
/Publications/Write,-Review,-R...Text duplicate Write, Review, Referee
/Publications/Legacy-Journals-...Text duplicate Legacy Journals and Blogs
/standardspositions/Text duplicate Standards & Positions
https://www.nctm.org/PtA/Text duplicate Principles to Actions
/Standards-and-Positions/NCTM-...Text duplicate Position Statements
https://www.nctm.org/change/Text duplicate Catalyzing Change
/Standards-and-Positions/CAEP-...Text duplicate Standards for Mathematics Teacher Preparation
/curriculumfocalpoints/Text duplicate Curriculum Focal Points
/Standards-and-Positions/GAISE...Text duplicate GAISE II
/Standards-and-Positions/Focus...Text duplicate Focus in High School Mathematics
/Standards-and-Positions/NCTM-...Text duplicate NCTM Standards
/advocacy-main/Text duplicate Advocacy
/Research-and-Advocacy/policie...Text duplicate Policies and Recommendations
/advocacy-toolkit/Text duplicate Advocacy Toolkit
http://cqrcengage.com/nctm/?8External Text duplicate Advocacy and Legislation
/Advocacy/Features/ESSER/Distr...Text duplicate ESSER - District Solutions
https://www.nctm.org/essatoolkit/Text duplicate Every Student Succeeds Act - ESSA Toolkit
/socialjustice/Text duplicate NCTM Social Justice and Equity Resources
/Conferences-and-Professional-...Text duplicate Capitol Hill Day 2023
https://www.nctm.org/research/Text duplicate Research
/Research-and-Advocacy/researc...Text duplicate Research Briefs & Clips
/Research-and-Advocacy/Linking...Text duplicate Linking Research & Practice
/Conferences-and-Professional-...Text duplicate Research Conference
/store/jrmemono/Text duplicate Research Monographs
https://pubs.nctm.org/view/jou...External Subdomain Text duplicate Journal for Research in Mathematics Education
/mathematics2021/Text duplicate Continuing the Journey
/conferencespd/Text duplicate Conferences & Professional Development
https://www.nctm.org/chicago2024Text duplicate NCTM Annual Meeting & Exposition
/Conferences-and-Professional-...Text duplicate Professional Development Resources
https://www.nctm.org/nationals/Text duplicate National Conferences
/chicago2024/research/Text duplicate Research Conference
/virtualconferences/Text duplicate Virtual Conference
/institutes2024/Text duplicate Interactive Institutes
/Conferences-and-Professional-...Text duplicate Speaking at NCTM Events
/online-learningText duplicate Webinars
https://www.nctm.org/pd/Text duplicate Professional Services
/Advocacy/Features/ESSER/Distr...Text duplicate NCTM District Solutions
/Professional-Development/NCTM...Text duplicate NCTM Teacher Education Program Review Training
/ncte-nctm2024/Text duplicate NCTE-NCTM Joint Conference on Elementary Literacy & Mathematics
http://mediakits.theygsgroup.c...External Subdomain Text duplicate Exhibit, Advertise, Sponsor
/Conferences-and-Professional-...Subdomain Text duplicate Book Study
/grantsawards/Text duplicate Grants & Awards
https://www.nctm.org/funding/Text duplicate Funding Opportunities
https://www.nctm.org/MET/Text duplicate About Mathematics Education Trust
https://www.nctm.org/Grants/Text duplicate Browse All Grants
https://www.nctm.org/Donate/Text duplicate Giving Opportunities
/Grants-and-Awards/Special-Eve...Text duplicate Special Events
/Grants-and-Awards/Lifetime-Ac...Text duplicate Lifetime Achievement Award
/Grants-and-Awards/Awards/Life...Text duplicate Social Justice and Mathematics
https://www.nctm.org/membership/Text duplicate Membership
https://members.nctm.org/site/...External Subdomain Text duplicate Individuals
/Membership/Schools-and-Distri...Text duplicate Schools and Districts
/Membership/Group-Content-Access/Text duplicate Group Content Access
https://www.nctm.org/nominations/Subdomain No Text
/institutes2024/Subdomain No Text
/News-and-Calendar/Messages-fr...Subdomain No Text
https://www.nctm.org/store/Subdomain No Text
/professionalservices/Subdomain No Text
https://nctm.buzzsprout.com/External Subdomain No Text
https://www.nctm.org/Chicago2024Subdomain No Text
https://www.nctm.org/Anchor No Text
https://www.nctm.org/Anchor No Text
/Classroom-Resources/Features/...Subdomain Access the latest lesson plans by grade-band!
A-TITLE Access the latest lesson plans by grade-band!
/Classroom-Resources/Illuminat...Subdomain Do I Have to Mow the Whole Thing?
A-TITLE Do I Have to Mow the Whole Thing?
/Classroom-Resources/Problems-...Subdomain Summer Days
A-TITLE Summer Days
/Classroom-Resources/Problems-...Subdomain A-TITLE Pi Day, Lets Eat Cake
/Classroom-Resources/Problems-...Subdomain A-TITLE Pi Day Treats
/Classroom-Resources/Problems-...Subdomain At Least a Mile
A-TITLE At Least a Mile
https://pubs.nctm.org/view/jou...External Subdomain IMG-ALT MTLT PK-12
A-TITLE Mathematics Teacher: Learning and Teaching PK-12
https://pubs.nctm.org/view/jou...External Subdomain Contextualizing Explanations to Support Sense Making
A-TITLE Contextualizing Explanations to Support Sense Making
https://pubs.nctm.org/view/jou...External Subdomain Break Out of Your Routine with Escape Rooms
A-TITLE Break Out of Your Routine with Escape Rooms
https://pubs.nctm.org/view/jou...External Subdomain Productive Talk Across a Launch-Explore-Discuss Lesson
A-TITLE Productive Talk Across a Launch-Explore-Discuss Lesson
https://pubs.nctm.org/view/jou...External Subdomain The Power of Open-Ended Questions
A-TITLE The Power of Open-Ended Questions
https://pubs.nctm.org/view/jou...External Subdomain Write for MTLT. Learn more about submitting an article.
A-TITLE Write for MTLT. Learn more about submitting an article.
https://pubs.nctm.org/view/jou...External Subdomain IMG-ALT MTE
A-TITLE Mathematics Teacher Educator
https://pubs.nctm.org/view/jou...External Subdomain Belonging Matters: Amplifying Teachers’ Voices in Schools
A-TITLE Belonging Matters: Amplifying Teachers’ Voices in Schools
https://www.nctm.org/jrme/IMG-ALT JRME
https://pubs.nctm.org/view/jou...External Subdomain Identity, Power, and Dignity: A Positional Analysis of Gisela in Her High School Mathematics Classroom
A-TITLE Identity, Power, and Dignity: A Positional Analysis of Gisela in Her High School Mathematics Classroom
/login/?rurl=/Text duplicate Log In
https://members.nctm.org/site/...External Subdomain Text duplicate Join Now
http://nctm-jobs.careerwebsite...New window External Subdomain Search Jobs
https://nctm-jobs.careerwebsit...New window External Subdomain Post a Job
/News-and-Calendar/News/NCTM-N...2024 Lifetime Achievement Award Recipient Announced
/News-and-Calendar/News/NCTM-N...NCTM/EMIF Announce Early Childhood Math Webinar Series
/News-and-Calendar/News/NCTM-N...NCTM Releases Position Statement on the Intersection of Culture and Mathematics
/News-and-Calendar/News/NCTM-N...In Memoriam: Christian R. Hirsch
https://www.nctm.org/NewsSee all News »
/online-learning/Webinars/listSubdomain No Text
/noticeandwonder/Subdomain Text duplicate A-TITLE Notice and Wonder
/Standards-and-Positions/Posit...Subdomain Intersection of Culture and Mathematics
A-TITLE Intersection of Culture and Mathematics
/Standards-and-Positions/Posit...Subdomain Data Science
A-TITLE Data Science
/Standards-and-Positions/Posit...Subdomain Linking Mathematics Education Research and Practice
A-TITLE Linking Mathematics Education Research and Practice
/News-and-Calendar/News/NCTM-N...Subdomain Teaching Data Science in High School: Enhancing Opportunities and Success
A-TITLE Teaching Data Science in High School: Enhancing Opportunities and Success
/standards-and-positions/Posit...Subdomain Artificial Intelligence and Mathematics Teaching
A-TITLE Artificial Intelligence and Mathematics Teaching
/Standards-and-Positions/Posit...Subdomain A-TITLE Ability Labels: Disrupting “High,” “Medium,” and “Low” in Mathematics Education
/Standards-and-Positions/Posit...Subdomain A-TITLE Equitable Integration of Technology for Mathematics Learning
/Standards-and-Positions/NCTM-...Subdomain View all NCTM Position Statements.
A-TITLE View all position statements.
https://twitter.com/nctmNew window External A-TITLE Twitter
https://www.linkedin.com/compa...New window External Subdomain A-TITLE LinkedIn
https://instagram.com/nctm.math/New window External A-TITLE Instagram
https://www.youtube.com/@NCTMC...New window External Subdomain A-TITLE YouTube
https://www.facebook.com/Teach...New window External Subdomain A-TITLE Facebook
https://www.tiktok.com/@nctm.mathNew window External Subdomain A-TITLE TikTok
http://my.nctm.org/External Subdomain Text duplicate MyNCTM
http://illuminations.nctm.org/External Subdomain Text duplicate Illuminations
/noticeandwonder/Text duplicate Notice and Wonder
/cdn-cgi/l/email-protection[email protected]
A-TITLE [email protected]
https://mediakit.theygsgroup.c...External Subdomain Advertise with NCTM
https://mediakit.theygsgroup.c...External Subdomain Anchor Exhibit and Sponsor
/News-and-Calendar/For-the-Media/For the Media
https://www.nctm.org/Terms/Terms of Use
https://www.nctm.org/privacy/Privacy Policy
https://www.nctm.org/policies/Code of Conduct
https://www.nctm.org/contact-us/Contact Us

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nctm.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.62 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.
The file size of the HTML document is fine (194 kB).

HTTP Response Header

NameValue
dateWed, 17 Jul 2024 22:18:25 GMT
content-typetext/html; charset=utf-8
cache-controlprivate
varyAccept-Encoding
set-cookie101 Characters
referrer-policystrict-origin-when-cross-origin
cf-cache-statusDYNAMIC
strict-transport-securitymax-age=15552000; includeSubDomains; preload
x-content-type-optionsnosniff
servercloudflare
cf-ray8a4d9b93bed59bb0-FRA
content-encodinggzip
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 6,093 referring domains.
This page has 104,786 backlinks.
This page has backlinks from 4,112 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Robots.txt

User-agent: ia_archiver
Disallow: /standards/

User-agent: *
Disallow: /banners/
Disallow: /workarea/
Disallow: /admin/
Disallow: /extranet/
Disallow: /App_Data/
Disallow: /App_Code/
Disallow: /AssetManagement/
Disallow: /bin/
Disallow: /css/
Disallow: /java/
Disallow: /scripts/
Disallow: /images/
Disallow: /templates/
Disallow: /search
Disallow: /404
Disallow: /404.aspx
Disallow: /oldfiles
Disallow: *.axd
Disallow: *.jnlp
Disallow: *.asp$
Disallow: /eresources/
Disallow: /profdev/library/
Disallow: /tmf/
Disallow: /Easypress/
Disallow: /Edgate/
Disallow: /publications/Microsites/
Disallow: /Classroom-Resources/Core-Math-Tools/
Disallow: /uploadedFiles/Journals_and_Books/More4U/
Disallow: /publications/worlds/
Disallow: /publications/Microsites/Real-World-Math/
Disallow: /Publications/Microsites/Developing-Math-Ideas/
Disallow: /publications/curious/
Disallow: /Publications/Microsites/Math-for-the-Curious/
Disallow: /publications/motomath/
Disallow: /Publications/Microsites/Math of Tomorrow (MOTO)/
Disallow: /Publications/Microsites/moto/
Disallow: /News-and-Calendar/Summing-Up/
Disallow: /dmi/
Disallow: /flipbooks/
Disallow: /handlers/
Disallow: /uploadedimages/
Disallow: /NCTM_IT/SitemapXML/
Disallow: /Publications/More4U/
Disallow: /zz-Site-Examples/
Disallow: /login/
Disallow: /Standards-and-Positions/Principles-and-Standards/E-examples/

Most important keywords

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

KeywordResultRecheck
NCTM52%Check
Teacher52%Check
Mathematics51%Check
Mathematics Teacher51%Check
Teachers50%Check
NCTM Position49%Check
Featured47%Check
National46%Check
National Council46%Check
Grades44%Check

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