Codehs.com - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
76% 
Page structure
58% 
Link structure
3% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.07 s
File size
204.70 kB
Words
1266
Media files
42
Number of links
255 internal / 42 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CodeHS - Teach Coding and Computer Science at Your School | CodeHS
The page title should be shorter than 580 pixels. It is 658 pixels long. 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)
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
google-site-verificationSmldlz-jASB9Ig8wQow3Wo4h7NCERLlhg85CPDDO0hg
viewportwidth=device-width, initial-scale=1
referrerstrict-origin-when-cross-origin
turbolinks-cache-controlno-cache
langen
twitter:cardsummary
twitter:site@CodeHS
twitter:titleCodeHS - Teach Coding and Computer Science at Your School | CodeHS
twitter:imagehttps://static1.codehs.com/img/codehs_appicon170x170.png
og:imagehttps://static1.codehs.com/img/codehs_appicon170x170.png
og:titleCodeHS - Teach Coding and Computer Science at Your School | CodeHS
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are 2 text duplicates on this page:
  • Duplicate: Comprehensive computer science curriculum for grades K-12 including ha...
The average number of words per sentence of 27.45 words is high.
This page contains 1266 words. That's ok.
18.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
14 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)
A viewport "width=device-width, initial-scale=1" 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 25 tags for this page.
Image SEO
(Somewhat important)
30 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
static1.codehs.com/img/brand_logo.pngNo alt attribute provided
...com/img/logos/codehs_logo_white_text.pngCodeHS Logo
...keting/curriculum_page/K-12 Pathways.pngNo alt attribute provided
.../marketing/curriculum_page/Standards.pngNo alt attribute provided
...img/marketing/curriculum_page/States.pngNo alt attribute provided
...rriculum_page/Supplemental_materials.pngNo alt attribute provided
...s.com/img/program_icons/java-console.pngNo alt attribute provided
...odehs.com/img/program_icons/graphics.pngNo alt attribute provided
....codehs.com/img/program_icons/python.pngNo alt attribute provided
...c1.codehs.com/img/program_icons/html.pngNo alt attribute provided
...1.codehs.com/img/program_icons/karel.pngNo alt attribute provided
...ehs.com/b46469b780f8bb458a1728fc1c2e1497No alt attribute provided
...atic1.codehs.com/img/homepage/editor.pngNo alt attribute provided
...om/img/marketing/pro_page/activities.pngNo alt attribute provided
...tic1.codehs.com/img/courses/intro_cs.pngNo alt attribute provided
...ic1.codehs.com/img/courses/micro_bit.pngNo alt attribute provided
....codehs.com/img/courses/intro_python.pngNo alt attribute provided
...odehs.com/img/courses/cyber_security.pngNo alt attribute provided
...om/img/marketing/pro_page/fast_grade.pngNo alt attribute provided
...odehs.com/img/homepage/badge_collage.pngNo alt attribute provided
static1.codehs.com/img/homepage/pd.pngNo alt attribute provided
...hs.com/img/homepage/news/forbes_logo.pngforbes logo
...com/img/homepage/news/usa_today_logo.pngUSA today logo
...hs.com/img/homepage/news/edweek_logo.pngEdweek logo
...s.com/img/homepage/news/edsurge_logo.pngEdsurge logo
...odehs.com/img/homepage/news/wsj_logo.jpgWall Street Journal logo
...om/img/homepage/news/techcrunch_logo.pngTechCrunch Logo
...ehs.com/img/homepage/news/today_logo.pngToday show logo
/uploads/b723ab97a11cc58ec34ef459a7b016a3No alt attribute provided
/uploads/2eccbd6d9f058784e4da62c3df543895No alt attribute provided
/uploads/d7ba9fc0ebd7709ef47dd56e19106442No alt attribute provided
/uploads/bbed8d6d101263354f35ebe31b226a45No alt attribute provided
/uploads/dd2d2dc55420a278bb30d6b586d2151aNo alt attribute provided
...com/img/marketing/icons/chevron-left.pngNo alt attribute provided
...com/img/marketing/icons/chevron-left.pngNo alt attribute provided
/uploads/1c27c362eb796d40b7a7793623393a47No alt attribute provided
/uploads/bfe86e988a45c836a05d2a582703f56eNo alt attribute provided
/uploads/d02cf72f000bc84a337e60fce3d779a3No alt attribute provided
....com/img/logos/codehs_logo_dark_text.pngCodeHS Logo
...odehs.com/img/marketing/icons/x_logo.pngCodeHS Twitter
...com/img/marketing/icons/threads_logo.pngCodeHS Threads
Video URLWidthHeight
...e.com/embed/VXKG_VtR3Yc?rel=0&showinfo=0560315

Page structure

H1 heading
(Critically important)
The Top Coding and Computer Science Platform for K-12 Schools
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 59 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 The Top Coding and Computer Science Platform for K-12 Schools
H2 Products
H2 Use Cases
H2 Computer Science Curriculum
H2 Professional Development
H2 Online IDE
H2 New Sandbox Program
H2 Everything You Need, All In One Spot
H2 Online IDE Built for Education
H2 Coding Learning Management System
H2 Customizable K-12 Computer Science Curriculum
H2 CodeHS Pro
H2 Industry-Relevant Certifications
H2 Top-Notch Professional Development
H2 Join the CodeHS Community
H2 Featured In
H2 How Schools are Using CodeHS in Virtual & In-Person Classrooms
H2 More Resources
H2 Sign up for a free CodeHS account and start coding today!
H3 Customizable K-12 Computer Science Curriculum Duplicate text
H3 Online & In-Person Training for Teachers
H3 Write, Run, & Debug Code in an Online IDE
H3 Java
H3 JavaScript
H3 Python 3
H3 HTML
H3 Karel
H3 Turtle
H3 LMS
H3 Curriculum
H3 IDE
H3 Certifications
H3 CodeHS Pro Duplicate text
H3 Professional Development Duplicate text
H3 Introduction to Computer Science in JavaScript
H3 Physical Computing with micro:bit
H3 Introduction to Computer Science in Python
H3 Fundamentals of Cybersecurity
H3 Building a Computer Science Program for Young Girls
H3 Making Computer Science Fun And Real-World Relatable
H3 Celebrating Student Progress: Digital and Analog
H3 From Coding to Robotics, Mr. Barnett Opens New Doors For His Students
H3 Forging Equality for Black Male Youth through Business, Technology, and Brotherhood
H4 Products Duplicate text
H4 Use Cases Duplicate text
H4 Platform
H4 Curriculum Duplicate text
H4 PD
H4 Programming Languages
H4 Resources
H4 Company
H4 Products Duplicate text
H4 Platform Duplicate text
H4 PD Duplicate text
H4 Resources Duplicate text
H4 Use Cases Duplicate text
H4 Curriculum Duplicate text
H4 Programming Languages Duplicate text
H4 Company Duplicate text
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.
1 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 (42) on this page.

Found links on this page

LinkAttributesAnchor text
https://codehs.com/No Text
https://codehs.com/lmsCoding LMS
https://codehs.com/ideOnline IDE
https://codehs.com/proCodeHS Pro
https://codehs.com/curriculumComputer Science Curriculum
/info/certificationsCertifications
https://codehs.com/pdProfessional Development
https://codehs.com/districtsDistricts
https://codehs.com/schoolsSchools
https://codehs.com/teachersTeachers
https://codehs.com/lmsText duplicate Coding LMS
https://codehs.com/ideText duplicate Online IDE
https://codehs.com/proText duplicate CodeHS Pro
https://codehs.com/curriculumText duplicate Computer Science Curriculum
/info/certificationsText duplicate Certifications
https://codehs.com/pdText duplicate Professional Development
https://codehs.com/districtsText duplicate Districts
https://codehs.com/schoolsText duplicate Schools
https://codehs.com/teachersText duplicate Teachers
/info/platform/assignmentsAssignments Create & configure your course assignments
/info/platform/classroom_manag...Classroom Manage & organize your class with customizable settings
https://codehs.com/info/gradingGrading Streamline your grading workflow.
/info/platform/progress_trackingData Track & analyze student assessments & progress data
https://codehs.com/ideWrite Code Write, run, & debug code all in a web-based IDE
/info/integrationsIntegrations Connect CodeHS to your district’s educational platform
/info/platform/assignmentsText duplicate Assignments Create & configure your course assignments
/info/platform/classroom_manag...Text duplicate Classroom Manage & organize your class with customizable settings
https://codehs.com/info/gradingText duplicate Grading Streamline your grading workflow.
/info/platform/progress_trackingText duplicate Data Track & analyze student assessments & progress data
https://codehs.com/ideText duplicate Write Code Write, run, & debug code all in a web-based IDE
/info/integrationsText duplicate Integrations Connect CodeHS to your district’s educational platform
https://codehs.com/curriculumOverview ›
/curriculum/catalogCourse Catalog
/curriculum/catalog?tag=AP Cou...AP Courses
/curriculum/catalog?tag=Interd...Interdisciplinary
https://codehs.com/hourofcodeHour of Code
/curriculum/spanishSpanish Courses
/curriculum/pathways/k-12K-12 Pathways
/elementary/curriculumElementary
/curriculum/pathways/middleschoolMiddle School
/curriculum/pathways/highschoolHigh School
/curriculum/standardsStandards
https://codehs.com/statesStates
https://codehs.com/practicePractice
https://codehs.com/tutorial/Tutorials
https://codehs.com/textbooksDigital Textbooks
/curriculum/catalogText duplicate Course Catalog
/curriculum/catalog?tag=AP Cou...Text duplicate AP Courses
/curriculum/catalog?tag=Interd...Text duplicate Interdisciplinary
https://codehs.com/hourofcodeText duplicate Hour of Code
/curriculum/spanishText duplicate Spanish Courses
/curriculum/pathwaysText duplicate K-12 Pathways
/elementary/curriculumText duplicate Elementary
/curriculum/pathways/middleschoolText duplicate Middle School
/curriculum/pathways/highschoolText duplicate High School
https://codehs.com/statesText duplicate States
https://codehs.com/info/standardsText duplicate Standards
https://codehs.com/practiceText duplicate Practice
https://codehs.com/tutorialsText duplicate Tutorials
https://codehs.com/textbooksText duplicate Digital Textbooks
https://codehs.com/pdText duplicate Overview ›
https://codehs.com/info/pd/onlineOnline PD Courses
/info/pd/inpersonIn-Person & Virtual Workshops
https://codehs.com/info/pd/freeFree PD Events
/info/pd/certification_prepTeacher Certification Prep
/pd/microcredentialsMicrocredentials
https://codehs.com/pd/membershipPD Membership
https://codehs.com/pdText duplicate Professional Development
https://codehs.com/info/pd/onlineText duplicate Online PD Courses
/info/pd/inpersonText duplicate In-Person & Virtual Workshops
https://codehs.com/info/pd/freeText duplicate Free PD Events
/info/pd/certification_prepText duplicate Teacher Certification Prep
/pd/microcredentialsText duplicate Microcredentials
https://codehs.com/ideText duplicate Overview ›
/explore/sandbox/javascriptJavaScript
/explore/sandbox/pythonPython
/explore/sandbox/javaJava
/explore/sandbox/htmlHTML
/explore/sandbox/c++C++
/explore/sandbox/sqlSQL
https://codehs.com/ideText duplicate Online IDE
/explore/sandbox/javascriptText duplicate JavaScript
/explore/sandbox/pythonText duplicate Python
/explore/sandbox/javaText duplicate Java
/explore/sandbox/htmlText duplicate HTML
/explore/sandbox/c++Text duplicate C++
/explore/sandbox/sqlText duplicate SQL
/explore/sandbox/karelKarel
https://codehs.com/aboutAbout
https://codehs.com/privacycenterPrivacy Center
https://codehs.com/info/storiesCase Studies
https://codehs.com/statesText duplicate States
https://codehs.com/testimonialsTestimonials
https://codehs.com/tweetsTweets
https://readwritecode.blog/External Read Write Code Blog
https://codinginthewild.com/External Coding in the Wild
https://help.codehs.com/External Subdomain Knowledge Base
https://codehs.com/projectsStudent Projects
https://codehs.com/careercenterCareer Center
https://codehs.com/aboutText duplicate About
https://codehs.com/privacycenterText duplicate Privacy Center
https://codehs.com/info/storiesText duplicate Case Studies
https://codehs.com/statesText duplicate States
https://codehs.com/testimonialsText duplicate Testimonials
https://codehs.com/tweetsText duplicate Tweets
https://readwritecode.blog/External Text duplicate Read Write Code Blog
https://codinginthewild.com/External Text duplicate Coding in the Wild
https://help.codehs.com/External Subdomain Text duplicate Knowledge Base
https://codehs.com/projectsText duplicate Student Projects
https://codehs.com/careercenterText duplicate Career Center
https://twitter.com/codehsNew window External No Text
https://www.facebook.com/codehsNew window External Subdomain No Text
https://www.instagram.com/codehs/New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://codehs.com/loginLog In
https://codehs.com/signup/beginSign Up
/editor/explore_demo_in_sandbo...Text duplicate Java
/editor/explore_demo_in_sandbo...Text duplicate JavaScript
/editor/explore_demo_in_sandbo...Python 3
/editor/explore_demo_in_sandbo...Text duplicate HTML
/editor/explore_demo_in_sandbo...Text duplicate Karel
/editor/explore_demo_in_sandbo...Turtle
/explore/sandboxView All
https://codehs.com/roadtrip/New window Learn More
https://codehs.com/loginLogin
/core/signup/beginSign up For Free
https://codehs.com/lmsNew window LMS
https://codehs.com/curriculumNew window Curriculum
https://codehs.com/ideNew window IDE
/info/certificationsNew window Text duplicate Certifications
https://codehs.com/proNew window Text duplicate CodeHS Pro
https://codehs.com/pdNew window Text duplicate Professional Development
https://codehs.com/ideStart Coding
https://codehs.com/lmsText duplicate Learn More
/curriculum/catalog/elementaryExplore the K-5 Course Catalog
/curriculum/catalogExplore the 6-12 Course Catalog
/course/1/overviewText duplicate Learn More
/course/4065/overviewText duplicate Learn More
/course/5657/overviewText duplicate Learn More
/course/6560/overviewText duplicate Learn More
https://codehs.com/proText duplicate Learn More
/info/certificationsText duplicate Learn More
https://codehs.com/pdExplore CodeHS PD
/core/signup/beginNew window Create a Free Teacher Account
https://www.facebook.com/group...New window External Subdomain Join the CodeHS Facebook Group
/info/certified_educatorsNew window Become a CodeHS Certified Educator
https://readwritecode.blog/who...New window External Building a Computer Science Program for Young Girls Rhonda Carpenter-Powell, a CTAE (Career, Technical, and Agricultural Education) Teacher at Forest Park Hi...
https://readwritecode.blog/who...New window External Read Case Study
https://readwritecode.blog/mak...New window External Making Computer Science Fun And Real-World Relatable Alyssa Basthemer, Physics, Medical Terminology, and Computer Science Teacher at The High School of Healt...
https://readwritecode.blog/mak...New window External Text duplicate Read Case Study
https://readwritecode.blog/cel...New window External Celebrating Student Progress: Digital and Analog Brian Smith, Computer Science Teacher at North Star Academy Charter School in Newark, New Jersey Read Case S...
https://readwritecode.blog/cel...New window External Text duplicate Read Case Study
https://readwritecode.blog/fro...New window External From Coding to Robotics, Mr. Barnett Opens New Doors For His Students Spencer Barnett, Computer Science & Robotics Teacher at Denison High School in Denison,...
https://readwritecode.blog/fro...New window External Text duplicate Read Case Study
https://readwritecode.blog/the...New window External Forging Equality for Black Male Youth through Business, Technology, and Brotherhood The Hidden Genius Project Case Study Read Case Study
https://readwritecode.blog/the...New window External Text duplicate Read Case Study
https://readwritecode.blog/New window External ReadWriteCode
https://codinginthewild.com/New window External Coding In The Wild
https://readwritecode.blog/ann...New window External No Text
https://readwritecode.blog/ann...New window External Announcing the 2023 CodeHS Scholars
https://readwritecode.blog/com...New window External No Text
https://readwritecode.blog/com...New window External Comprehensive, Easy-to-Use Computer Science Curriculum for Elementary
https://readwritecode.blog/ann...New window External No Text
https://readwritecode.blog/ann...New window External Announcing the 24–25 CodeHS Road Trip: K-12 Coding Coast-to-Coast
/core/signup/beginText duplicate Sign up For Free
https://www.facebook.com/codehsNew window External Subdomain No Text
https://www.instagram.com/codehs/New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://codehs.com/youtubeNew window No Text
https://twitter.com/codehsNew window External IMG-ALT CodeHS Twitter
https://www.threads.net/@codehsNew window External Subdomain IMG-ALT CodeHS Threads
https://codehs.com/lmsText duplicate Coding LMS
https://codehs.com/ideText duplicate Online IDE
https://codehs.com/proText duplicate CodeHS Pro
https://codehs.com/curriculumText duplicate Computer Science Curriculum
/info/certificationsText duplicate Certifications
https://codehs.com/pdText duplicate Professional Development
https://codehs.com/info/districtsDistrict
https://codehs.com/schoolsText duplicate Schools
https://codehs.com/teachersText duplicate Teachers
https://codehs.com/assignmentsAssignments
/classroom_managementClassroom Management
https://codehs.com/gradingGrading
/progress_trackingData
/explore/sandboxWrite Code
https://codehs.com/integrationsIntegrations
https://codehs.com/ai_toolsAI Tools
https://codehs.com/curriculumText duplicate Curriculum
/curriculum/catalogText duplicate Course Catalog
/curriculum/projectsProject Catalog
/curriculum/pathways/k-12Text duplicate K-12 Pathways
/curriculum/catalog?tag=AP Cou...Text duplicate AP Courses
/curriculum/elementaryText duplicate Elementary
https://codehs.com/statesState Courses
/curriculum/spanishText duplicate Spanish Courses
https://codehs.com/info/standardsText duplicate Standards
https://codehs.com/hourofcodeText duplicate Hour of Code
https://codehs.com/practiceText duplicate Practice
https://codehs.com/tutorialsText duplicate Tutorials
https://codehs.com/textbooksText duplicate Digital Textbooks
/curriculum/ap-csaAP CSA Hub
https://codehs.com/aiAI Curriculum
https://codehs.com/pdPD
https://codehs.com/pd/onlineText duplicate Online PD Courses
/info/pd/inpersonIn-Person PD Workshops
/info/pd/virtualVirtual PD Workshops
https://codehs.com/pd/freeFree PD Workshops
/pd/certification_prepText duplicate Teacher Certification Prep
/pd/microcredentialsText duplicate Microcredentials
https://codehs.com/pd/membershipText duplicate PD Membership
/explore/sandbox/javascriptJavascript
/explore/sandbox/pythonText duplicate Python
/explore/sandbox/javaText duplicate Java
/explore/sandbox/htmlText duplicate HTML
/explore/sandbox/c++Text duplicate C++
/explore/sandbox/sqlText duplicate SQL
/explore/sandbox/karelText duplicate Karel
https://codehs.com/info/storiesText duplicate Case Studies
https://codehs.com/statesText duplicate States
https://codehs.com/testimonialsText duplicate Testimonials
https://codehs.com/tweetsText duplicate Tweets
https://readwritecode.blog/New window External Text duplicate Read Write Code Blog
https://geni.us/ReadWriteCodeNew window External Read Write Code Book
https://help.codehs.com/New window External Subdomain Text duplicate Knowledge Base
https://codehs.com/webinarsWebinars
https://codehs.com/projectsText duplicate Student Projects
https://codehs.com/careercenterText duplicate Career Center
https://codehs.com/aboutText duplicate About
https://codehs.com/teamTeam
https://codehs.com/careersCareers
https://codehs.com/privacycenterText duplicate Privacy Center
https://codehs.com/termsTerms
https://codehs.com/privacyPrivacy Policy
https://codehs.com/securitySecurity
https://codehs.com/accessibilityAccessibility
https://codehs.com/lmsText duplicate Coding LMS
https://codehs.com/ideText duplicate Online IDE
https://codehs.com/proText duplicate CodeHS Pro
/info/curriculumText duplicate Computer Science Curriculum
/info/certificationsText duplicate Certifications
https://codehs.com/pdText duplicate Professional Development
/info/platform/gradebookText duplicate Assignments
/info/platform/rosteringClassroom
/info/platform/gradebookText duplicate Grading
/info/platform/progress_trackingText duplicate Data
/explore/sandboxText duplicate Write Code
https://codehs.com/integrationsText duplicate Integrations
https://codehs.com/aiText duplicate AI Tools
https://codehs.com/pdText duplicate PD
https://codehs.com/pd/onlineText duplicate Online PD Courses
/info/pd/inpersonText duplicate In-Person PD Workshops
/info/pd/virtualText duplicate Virtual PD Workshops
/pd/certification_prepText duplicate Teacher Certification Prep
/pd/microcredentialsText duplicate Microcredentials
https://codehs.com/info/storiesText duplicate Case Studies
https://codehs.com/statesText duplicate States
https://codehs.com/testimonialsText duplicate Testimonials
https://codehs.com/tweetsText duplicate Tweets
https://readwritecode.blog/New window External Text duplicate Read Write Code Blog
https://geni.us/ReadWriteCodeNew window External Text duplicate Read Write Code Book
https://help.codehs.com/New window External Subdomain Text duplicate Knowledge Base
https://codehs.com/webinarsText duplicate Webinars
https://codehs.com/projectsText duplicate Student Projects
https://codehs.com/careercenterText duplicate Career Center
https://codehs.com/info/districtsText duplicate District
https://codehs.com/schoolsText duplicate Schools
https://codehs.com/teachersText duplicate Teachers
https://codehs.com/curriculumText duplicate Curriculum
/curriculum/catalogText duplicate Course Catalog
/curriculum/projectsText duplicate Project Catalog
/curriculum/catalog?tag=AP Cou...Text duplicate AP Courses
/curriculum/elementaryText duplicate Elementary
https://codehs.com/statesText duplicate State Courses
/curriculum/spanishText duplicate Spanish Courses
https://codehs.com/info/standardsText duplicate Standards
https://codehs.com/practiceText duplicate Practice
https://codehs.com/tutorialsText duplicate Tutorials
https://codehs.com/textbooksText duplicate Digital Textbooks
/curriculum/ap-csaText duplicate AP CSA Hub
/explore/sandbox/javascriptText duplicate Javascript
/explore/sandbox/pythonText duplicate Python
/explore/sandbox/javaText duplicate Java
/explore/sandbox/htmlText duplicate HTML
/explore/sandbox/c++Text duplicate C++
/explore/sandbox/sqlText duplicate SQL
/explore/sandbox/sqlText duplicate Karel
https://codehs.com/aboutText duplicate About
https://codehs.com/teamText duplicate Team
https://codehs.com/careersText duplicate Careers
https://codehs.com/privacycenterText duplicate Privacy Center
https://codehs.com/termsText duplicate Terms
https://codehs.com/privacyText duplicate Privacy Policy
https://codehs.com/securityText duplicate Security
https://codehs.com/accessibilityText duplicate Accessibility
/info/certified_educatorsNew window CodeHS Certified Educators
https://www.facebook.com/group...New window External Subdomain CodeHS Educator Facebook Group
https://store.codehs.com/New window External Subdomain CodeHS Store

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://codehs.com/"
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 excellent with 0.07 seconds.
The file size of the HTML document is fine (205 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
dateWed, 16 Oct 2024 08:00:52 GMT
serverApache
x-frame-optionsSAMEORIGIN
set-cookie147 Characters
content-encodinggzip
varyCookie,Accept-Encoding
x-cacheHit from cloudfront
via1.1 a2fcaa589cf2ad79b72da94df54baac6.cloudfront.net (CloudFront)
x-amz-cf-popFRA56-P10
x-amz-cf-idsXQCBOe5MB1udSteisina7EvyZ3IlPjM5JdC2bLEbse5tg-VNZwX1Q==
age23596
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 1,523 referring domains.
This page has 612,846 backlinks.
This page has backlinks from 1,141 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /checkout/
Disallow: /uploads/
Disallow: /mask
Disallow: /investors
Disallow: /partners
Disallow: /maintenance
Disallow: /embed_item/
Disallow: /sandbox/
Disallow: /2023conference

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