Mathtutor.web.cmu.edu - SEO Checker

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Overview of the SEO Check
Meta information
99% 
Page quality
66% 
Page structure
79% 
Link structure
92% 
Server
70% 
External factors
100% 
SEO Score
Response time
1.45 s
File size
10.90 kB
Words
283
Media files
10
Number of links
7 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Mathtutor: a free site where middle school students learn math
The length of the page title is perfect. (557 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Mathtutor is a free website designed to help 6th, 7th and 8th grade students learn math by doing.
The length of the meta description is perfect. (592 pixels out of 1000 max pixel length)
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 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
descriptionMathtutor is a free website designed to help 6th, 7th and 8th grade students learn math by doing.
viewportwidth=device-width, user-scalable=yes, initial-scale=1
csrf-paramauthenticity_token
csrf-tokentYjTF2GsmwCeT-ZOxL3sDC-7AdcW_YvCAZ6BwjTbcYvgc5ih-S8JxPzK2TqALF3mc119aMxCnZ_Nf-C9qavUBg
action-cable-url/cable
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 283 words on this page. Good pages should have about 800 words of useful content.
27.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
6 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 14.1 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, user-scalable=yes, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
2 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.

Media list

URLAlt attributeTitle
...s/google_g_logo-e783388b597a6195692e.svgNo alt attribute provided
...htutor_color_36-f858f5a33389effb86dd.pngMathtutor
...c/icons/door_in-f09bb80a927d58f857f0.pngNo alt attribute provided
...ges/Mathtutor Demos HTML/Assets/6.07.pngDecimal Addition
...ges/Mathtutor Demos HTML/Assets/7.12.pngConversion Factors
...ges/Mathtutor Demos HTML/Assets/8.22.pngArea of Polygons and Circles
.../logos/ies_logo-574c0c02d514428b59f0.pngInstitute of Education SciencesInstitute of Education Sciences
...s/learnlab_logo-26d71fbd8fc54641ccb9.pngPittsburgh Science of Learning CenterPittsburgh Science of Learning Center
...os/ctat_logo_34-03bce5c35600ef352ce5.pngCognitive Tutor Authoring ToolsCognitive Tutor Authoring Tools
.../logos/cmu_logo-ed19563f4665f4c891dc.pngCarnegie Mellon UniversityCarnegie Mellon University

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.

Heading structure

Heading levelContent
H2 Mathtutor: a free site where middle school students learn math
H2 Sign in
H3 Students
H3 Educators
H3 Teacher Support
H3 Investigators
H3 Mathtutor Version 6.1 on tutorshop
H4 Differentiated Instruction
H4 Automatic Record-keeping
H4 Aligned to Standards
H4 Interactive Software Tutors
H4 Proven Success
There are too few (5) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
/auth/google_oauth2Nofollow Sign in with Google
/login?type=anonymousNofollow Go to the Tutors
/contact_usContact Us
https://www.cs.cmu.edu/~aleven/External Subdomain Vincent Aleven, PhD
https://www.cs.cmu.edu/~bmclaren/External Subdomain Bruce M McLaren, PhD
https://www.google.com/chrome/New window External Subdomain a different browser
https://mathtutor.web.cmu.edu/IMG-ALT Mathtutor
/privacy_policyPrivacy Policy
/homeexplore more tutors
http://www.cmu.edu/External Subdomain Carnegie Mellon University
http://ies.ed.gov/External Subdomain IMG-ALT Institute of Education Sciences
http://www.learnlab.org/External Subdomain IMG-ALT Pittsburgh Science of Learning Center
http://ctat.pact.cs.cmu.edu/External Subdomain IMG-ALT Cognitive Tutor Authoring Tools
http://www.cmu.edu/index.shtmlExternal Subdomain Text duplicate IMG-ALT Carnegie Mellon University
/reset_passwordReset Password

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://mathtutor.web.cmu.edu/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 is slow (1.45 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 (11 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
status200 OK
cache-controlmax-age=0, private, must-revalidate
varyOrigin
strict-transport-securitymax-age=63072000; includeSubDomains
referrer-policystrict-origin-when-cross-origin
x-permitted-cross-domain-policiesnone
x-xss-protection1; mode=block
x-request-id770d660c-6f2a-473e-8470-eb8f9e060b77
x-download-optionsnoopen
etagW/"42cb8229b5fd700fe49e489713c3052e"
x-runtime0.020303
x-content-type-optionsnosniff
x-chromelogger-dataeyJ2ZXJzaW9uIjoiMC4xLjIiLCJjb2x1bW5zIjpbImxvZyIsImJhY2t0cmFjZSIsInR5cGUiXSwicm93cyI6W119
dateWed, 23 Jul 2025 07:13:23 GMT
set-cookie289 Characters
x-powered-byPhusion Passenger(R) 6.0.16
servernginx/1.18.0 + Phusion Passenger(R) 6.0.16
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 89 referring domains.
This page has 100 backlinks.
This page has backlinks from 34 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# See http://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file

Similar sites

Search preview

mathtutor.web.cmu.edu
Mathtutor: a free site where middle school students learn math
Mathtutor is a free website designed to help 6th, 7th and 8th grade students learn math by doing.

Most important keywords

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

KeywordResultRecheck
Mathtutor81%Check
learn math76%Check
students learn math73%Check
students learn68%Check
school students learn math68%Check
Students65%Check
site62%Check
free62%Check
Free Site62%Check
middle school students learn60%Check
Show more keywords and terms

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