Illustrativemathematics.org - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
91% 
Page structure
75% 
Link structure
92% 
Server
87% 
External factors
100% 
SEO Score
Response time
0.49 s
File size
292.40 kB
Words
671
Media files
13
Number of links
41 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Illustrative Mathematics | K-12 Math | Resources for Teachers & Students
The page title should be shorter than 580 pixels. It is 653 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Illustrative Mathematics provides resources and support for giving their students an enduring understanding of mathematics.
The length of the meta description is perfect. (761 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://illustrativemathematics.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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 name is very long.
The domain is no subdomain.
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionIllustrative Mathematics provides resources and support for giving their students an enduring understanding of mathematics.
generatorRank Monsters v.
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
facebook-domain-verificationlye2z8s6cts0whjaswj4eaijl3rkff
google-site-verificationFDgPeYiAmxLWG8rbXo9qrmsQGi4cbECFY-0GdFi0nME
msapplication-TileImagehttps://illustrativemathematics.org/wp-content/uploads/2020/09/cropped-favicon-270x270.png
article:publisherhttps://www.facebook.com/illustratemath
article:modified_time2025-06-03T22:02:37+00:00
langen-us
twitter:cardsummary_large_image
twitter:site@IllustrateMath
og:localeen_US
og:typewebsite
og:titleHome
og:urlhttps://illustrativemathematics.org/
og:site_nameIllustrative Mathematics K–12 Math
og:imagehttps://illustrativemathematics.org/wp-content/uploads/2024/09/default-preview-thumbnail_1200x675.png
og:image:width1280
og:image:height675
og:image:typeimage/png
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 671 words. That's ok.
30% 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.
12 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 23.42 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 233 characters this one is longer than 70 characters:
"diverse representations: with images and scenarios that reflect a diverse society, students can see th..."
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
...tent/uploads/2020/10/IM-logo-tag-rgb.svgIllustrative Mathematics K–12 Math
/wp-content/uploads/2024/07/IM360-home.pngIM v.360IM v.360
...ent/uploads/2020/12/IM-Certified-RGB.pngNo alt attribute providedIM-Certified-RGB
/wp-content/uploads/2022/07/Steps-01a.svgNo alt attribute providedSteps-01a
/wp-content/uploads/2022/07/Steps-02a.svgNo alt attribute providedSteps-02a
/wp-content/uploads/2022/07/Steps-03a.svgNo alt attribute providedSteps-03a
/wp-content/uploads/2022/07/Steps-04a.svgNo alt attribute providedSteps-04a
...uploads/2022/07/Steps-need-more-info.pngNo alt attribute providedSteps-need-more-info
...ontent/uploads/2022/07/Steps-already.pngNo alt attribute providedSteps-already
...tent/uploads/2020/10/ed-reports-info.svgEd Reports graphic ed-reports-info
...1/IllustrativeMathematics-Logo_White.pngIllustrative MathematicsIllustrativeMathematics-Logo_White
...t/uploads/2024/11/GivingTuesdayHeart.svgGiveing Tuedsday Heart
/wp-content/uploads/2024/11/close.svgPress to close this banner message

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 The IM Certified® Experience
H2 Ready to get Started with the IM Certified Experience?
H2 Already using IM, but want to learn more?
H2 The IM Certified Difference
H2 Support Free Math Instruction for All Learners
H3 Contact Us
H3 IM K-12 Math
H3 Illustration of Standards
H3 The IM Story
H3 Quick Links
H4 Illustrative Mathematics
H4 855.741.6284
H4 Email Us
H4 Get in Touch
H5 Empty heading
Some anchor texts are used more than once.
2 links don't have an 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 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
/IMG-ALT Illustrative Mathematics K–12 Math
/math-curriculum/Math Curriculum
/math-curriculum/IM Certified® Math
/math-curriculum/k-5-math/IM® K–5 Math
/math-curriculum/6-8-math/IM® 6–8 Math
/math-curriculum/9-12-math/IM® 9–12 Math
/professional-learning/Professional Learning
/professional-learning/Text duplicate Professional Learning
/professional-learning/im-cert...IM Certification
/im-experience/IM Experience
/im-experience/Text duplicate IM Experience
/im-experience/im-presents/IMx Presents
/im-experience/case-studies/IMx Case Studies
/im-experience/events/IMx Events
/resource-hub/Resources
https://illustrativemathematic...External Blog
https://illustrativemathematic...External New Blog Posts
https://illustrativemathematic...External Grades K–2 Math
https://illustrativemathematic...External Grades 3–5 Math
https://illustrativemathematic...External Grades 6–8 Math
https://illustrativemathematic...External Grades 9–12 Math
https://calendly.com/product-s...New window External Schedule a Call
https://accessim.org/New window External ACCESS FREE VERSION OF IM v.360
/math-curriculum/LEARN MORE ABOUT IM v.360
/math-curriculum/Preview IM K–12 Math
https://accessim.org/New window External No Text
/partners/No Text
/professional-learning/No Text
https://calendly.com/product-s...New window External No Text
/partners/IM Certified partner
/professional-learning/professional learning
https://www.edreports.org/New window External Subdomain EdReports
https://www.facebook.com/illus...New window External Subdomain Follow
A-TITLE Follow on Facebook
https://twitter.com/Illustrate...New window External Text duplicate Follow
A-TITLE Follow on X
https://www.pinterest.com/illu...New window External Subdomain Text duplicate Follow
A-TITLE Follow on Pinterest
https://www.linkedin.com/compa...New window External Subdomain Text duplicate Follow
A-TITLE Follow on LinkedIn
https://www.instagram.com/illu...New window External Subdomain Text duplicate Follow
A-TITLE Follow on Instagram
https://illustrativemathematic...New window External Text duplicate Follow
A-TITLE Follow on RSS
/subscribe/Subscribe
/cdn-cgi/l/email-protection
/cdn-cgi/l/email-protectionEmail Us
/contact-ush
/contact-usGet in Touch
/math-curriculum/k-5-math/K–5 Math
/math-curriculum/6-8-math/6–8 Math
/math-curriculum/9-12-math/9–12 Math
/professional-learning/Text duplicate Professional Learning
/resource-hub/Text duplicate Resources
http://tasks.illustrativemathe...New window External Subdomain Practice Standards
http://tasks.illustrativemathe...New window External Subdomain Content Standards/Tasks
/about/Our Purpose
/facilitators/IM Certified Facilitators
/partners/IM Certified Partners
/impact/IMpact
/mathematic-news/News
/frequently-asked-questions/FAQ
/jobs/Careers
/presentations/Presentations
/privacy-policy/Privacy Policy
/im-trademark-usage-policy/IM Trademark Usage Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://illustrativemathematics.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.49 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (292 kB).

HTTP Response Header

NameValue
dateTue, 22 Jul 2025 23:22:15 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
x-powered-byWP Engine
link<https://illustrativemathematics.org/wp-json/>; rel="https://api.w.org/"
x-cacheableSHORT
cache-controlmax-age=600, must-revalidate
x-cacheHIT: 4
x-cache-groupnormal
cf-cache-statusDYNAMIC
servercloudflare
cf-ray9636add68e195613-CDG
content-encodingbr
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 270 referring domains.
This page has 3,602 backlinks.
This page has backlinks from 222 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow:

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illustrativemathematics.org
Illustrative Mathematics | K-12 Math | Resources for Teachers &...
Illustrative Mathematics provides resources and support for giving their students an enduring understanding of mathematics.

Most important keywords

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

KeywordResultRecheck
Math88%Check
Mathematics84%Check
Illustrative Mathematics81%Check
Illustrative79%Check
12 Math72%Check
K-12 Math70%Check
IM Math70%Check
math teacher67%Check
Free Math65%Check
IM K-12 Math65%Check
Show more keywords and terms

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