Code.org - SEO Checker

Overview of the SEO Check
Meta information
95% 
Page quality
42% 
Page structure
50% 
Link structure
68% 
Server
61% 
External factors
100% 
SEO Score
Response time
2.92 s
File size
226.80 kB
Words
350
Media files
15
Number of links
66 internal / 38 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Learn today, build a brighter tomorrow. | Code.org
The length of the page title is perfect. (444 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Every student in every school deserves the opportunity to study computer science.
The length of the meta description is perfect. (507 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
Server location: United States of America
The language is not specified in the HTML markup.
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
google-site-verificationEWBLxcxuqqtcdWikkxAOnMoaawa6XDoEPlvwO6wOg-A
descriptionEvery student in every school deserves the opportunity to study computer science.
viewportwidth=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no
article:publisherhttps://www.facebook.com/Code.org
twitter:site@codeorg
twitter:urlhttps://code.org/
twitter:titleLearn computer science. Change the world.
twitter:descriptionEvery student in every school deserves the opportunity to study computer science.
twitter:image:srchttps://code.org/images/default-og-image.png
twitter:cardphoto
fb:app_id500177453358606
og:site_nameCode.org
og:typearticle
og:urlhttps://code.org/
og:titleLearn computer science. Change the world.
og:descriptionEvery student in every school deserves the opportunity to study computer science.
og:imagehttps://code.org/images/default-og-image.png
og:image:width1220
og:image:height640
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=Edge

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 350 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 7.5 words is low.
23.1% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 14 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
8 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)
Create music with code
Too many H1 headings
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Create music with code
H1 Code.org thanks
H4 Please select your language
Some anchor texts are used more than once.
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 too many external links (38) on this page.
LinkAttributesAnchor text
https://support.code.org/hc/en...External Subdomain one of our supported browsers
https://code.org/IMG-ALT Code.org Home
https://code.org/studentsLearn
https://code.org/teachTeach
https://code.org/administratorsDistricts
https://code.org/promoteStats
https://code.org/helpHelp Us
https://studio.code.org/incubatorExternal Subdomain Incubator
https://code.org/aboutAbout
https://studio.code.org/projec...External Subdomain Sprite Lab
https://studio.code.org/projec...External Subdomain Artist
https://studio.code.org/projec...External Subdomain App Lab
https://studio.code.org/projec...External Subdomain Game Lab
https://studio.code.org/projec...External Subdomain Dance Party
https://studio.code.org/s/musi...External Subdomain Music Lab
https://studio.code.org/projectsExternal Subdomain View all projects...
https://studio.code.org/users/...External Subdomain Sign in
https://support.code.org/New window Nofollow External Subdomain Help and support
https://support.code.org/hc/en...New window Nofollow External Subdomain Report a problem
https://studio.code.org/catalogExternal Subdomain Course Catalog
https://code.org/administratorsText duplicate Districts
https://studio.code.org/incubatorExternal Subdomain Text duplicate Incubator
https://support.code.org/New window Nofollow External Subdomain Text duplicate Help and support
https://support.code.org/hc/en...New window Nofollow External Subdomain Text duplicate Report a problem
https://code.org/studentsText duplicate Learn
https://code.org/teachEducator Overview
/educate/curriculum/elementary...Elementary School
/educate/curriculum/middle-schoolMiddle School
/educate/curriculum/high-schoolHigh School
https://hourofcode.com/External Hour of Code
/educate/curriculum/3rd-partyBeyond Code.org
/educate/resources/inspireInspire a Student
/educate/communityOnline Community
https://code.org/educate/itTechnical Requirements
/educate/resources/videosTools and Videos
https://code.org/promoteText duplicate Stats
https://code.org/helpText duplicate Help Us
https://code.org/aboutAbout Us
https://code.org/about/leadershipLeadership
https://code.org/about/donorsDonors
https://code.org/about/partnersPartners
https://code.org/about/teamFull Team
https://code.org/about/newsNewsroom
https://code.org/about/evaluationEvaluation
https://code.org/about/jobsCareers
https://code.org/contactContact Us
https://code.org/faqFAQs
https://code.org/privacyPrivacy Policy
https://code.org/cookiesCookie Notice
https://code.org/tosTerms of Service
https://studio.code.org/s/musi...External Subdomain Try Music Lab
https://code.org/musicLearn more
https://studio.code.org/coursesExternal Subdomain 92M students on Code.org
https://code.org/diversity39M of our students are young women
https://studio.code.org/projec...External Subdomain 303M projects created on Code.org
https://code.org/teach2M teachers use Code.org
https://code.org/advocacy50 All 50 states support computer science
https://hourofcode.com/External Hour of Code Explore, play, and create!
https://code.org/hourofcodeTry the Hour of Code
https://hourofcode.com/External About the Hour of Code
https://hourofcode.com/eventsExternal Host an Hour of Code
https://code.org/studentsStudents Explore our courses
/student/elementaryText duplicate Elementary School
/student/middle-highMiddle school +
https://code.org/careers-with-csText duplicate Careers
https://code.org/teachEducators Teach your students
/educate/curriculum/elementary...Elementary school
/educate/curriculum/middle-schoolMiddle school
/educate/curriculum/high-schoolHigh school
https://code.org/helpGet involved Support diversity in computing
https://code.org/promoteSee the stats
https://code.org/yourschoolBring CS to your school
https://code.org/donateDonate
https://studio.code.org/projec...External Subdomain Over 303 million Code.org projects created
https://code.org/donateText duplicate Donate
https://code.org/about/supportersSee more supporters
https://code.org/privacyText duplicate Privacy Policy
https://code.org/cookiesText duplicate Cookie Notice
https://code.org/aboutText duplicate About
https://code.org/partnersText duplicate Partners
https://medium.com/@codeorgNew window External Blog
https://code.org/donateText duplicate Donate
https://code.org/shopStore
http://support.code.org/New window External Subdomain Support
https://code.org/tosTerms
https://aws.amazon.com/what-is...External Subdomain IMG-ALT Powered by AWS Cloud Computing
https://www.facebook.com/Code....New window External Subdomain No Text
https://twitter.com/codeorgNew window External No Text
https://www.instagram.com/code...New window External Subdomain No Text
https://medium.com/@codeorgNew window External No Text
https://code.org/privacyText duplicate Privacy Policy
https://code.org/cookiesText duplicate Cookie Notice
https://code.org/aboutText duplicate About
https://code.org/partnersText duplicate Partners
https://medium.com/@codeorgNew window External Text duplicate Blog
https://code.org/donateText duplicate Donate
https://code.org/shopText duplicate Store
https://support.code.org/New window External Subdomain Text duplicate Support
https://code.org/tosText duplicate Terms
https://www.facebook.com/Code.orgNew window External Subdomain No Text
https://twitter.com/codeorgNew window External No Text
https://www.instagram.com/codeorgNew window External Subdomain No Text
https://medium.com/@codeorgNew window External No Text
https://aws.amazon.com/what-is...External Subdomain Text duplicate IMG-ALT Powered by AWS Cloud Computing

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://code.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 (2.92 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.
This page loads 14 JavaScript files. This may affect the load time negatively.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (227 kB).

HTTP Response Header

NameValue
content-typetext/html;charset=utf-8
dateSat, 25 May 2024 10:33:31 GMT
set-cookie178 Characters
servernginx/1.18.0 (Ubuntu)
cache-controlpublic, must-revalidate, max-age=14400, s-maxage=86400
link</images/music-lab/music-lab-homepage-banner-bg.png>; rel=preload; as=image; media="not all and (-webkit-min-device-pixel-ratio: 2), not all and (min-resolution: 192dpi)";,</images/music-lab/music-lab-homepage-banner-bg.png>; rel=preload; as=image; media="(-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi)";
x-xss-protection1; mode=block
x-content-type-optionsnosniff
x-frame-options
content-security-policydefault-src 'self' https:; frame-src 'self' https: blob:; worker-src 'self' blob: ; child-src blob: ; script-src 'self' https: 'unsafe-inline' https://vaas.acapela-group.com 'unsafe-eval'; style-src 'self' https: 'unsafe-inline'; img-src 'self' https: data: blob: https://*.code.org; font-src 'self' https: data:; connect-src 'self' https: https://api.pusherapp.com wss://ws.pusherapp.com wss://*.firebaseio.com http://localhost:8080 https://curriculum.code.org/ wss://*.code.org; media-src 'self' https: data: https://*.code.org http://vaas.acapela-group.com; report-uri //code.org/https/mixed-content; frame-ancestors 'self' https://*.schoology.com http://*.disney.com http://*.diznee.net cuantrix.mx code.org studio.code.org curriculum.code.org https://*.lausd.iap.allhere.co
content-encodinggzip
content-languageen
strict-transport-securitymax-age=31536000
varyAccept-Encoding
x-cacheMiss from cloudfront
via1.1 37236193bd380575cb98e661bedbb260.cloudfront.net (CloudFront)
x-amz-cf-popFRA56-P8
x-amz-cf-id98A4muh8B-v_muZosjW2sZIJnGteLJmHdw5aWmsUp8i1MLiRmaOgzA==
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 19,970 referring domains.
This page has 1,606,956 backlinks.
This page has backlinks from 13,448 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 154324 shares and comments on Facebook.

Search preview

code.org
Learn today, build a brighter tomorrow. | Code.org
Every student in every school deserves the opportunity to study computer science.

Most important keywords

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

KeywordResultRecheck
Code78%Check
org62%Check
CODE logo58%Check
Music56%Check
Create50%Check
Music Lab49%Check
School46%Check
Learn46%Check
Student46%Check
computer46%Check

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