code.org
Free K–12 Curriculum for Digital Fluency | CodeAI
Last scanned Jul 29, 2026, 3:00 PM · 11 views
Overall score
Great
Summary
Code.org® is an education innovation nonprofit dedicated to the vision that every student in every school has the opportunity to learn computer science and artificial intelligence as part of their core K-12 education. This website uses Next.js behind CloudFront CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Code.org
Code.org® is an education innovation nonprofit dedicated to the vision that every student in every school has the opportunity to learn computer science and artificial intelligence as part of their core K-12 education. We expand access to and participation in computer science in schools, with a focus on increasing participation by young women and students from other underrepresented groups. The leading provider of K-12 computer science curriculum in the largest school districts in the United States, Code.org also organizes the annual Hour of Code campaign, which has engaged more than 15% of all students in the world. Code.org is supported by generous donors including Microsoft, Amazon, Google and many others.
- Seattle, WA, US
Top issues to fix
8 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
458 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+6 overall since Jul 21, 2026
- Overall
- 87
- SEO
- 85
- Security
- 75
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Code.org
Code.org® is an education innovation nonprofit dedicated to the vision that every student in every school has the opportunity to learn computer science and artificial intelligence as part of their core K-12 education. We expand access to and participation in computer science in schools, with a focus on increasing participation by young women and students from other underrepresented groups. The leading provider of K-12 computer science curriculum in the largest school districts in the United States, Code.org also organizes the annual Hour of Code campaign, which has engaged more than 15% of all students in the world. Code.org is supported by generous donors including Microsoft, Amazon, Google and many others.
- Founded
- Jan 1, 2013
Contact
Email, phone, and address published on this site's own pages.
- Address
- Seattle, WA, US
Meta tags
- Title
- Free K–12 Curriculum for Digital Fluency | CodeAI
- Description
- Bring computer science and AI education to your classroom with CodeAI’s free K–12 curriculum, hands-on projects, and teacher professional development—no prior experience needed.
- Canonical
- https://code.org/en-US/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- code.marketing-sites.code.org
- Valid from
- Apr 22, 2026
- Valid to
- Nov 5, 2026
- Days until expiry
- 99
- SAN domains
- code.marketing-sites.code.org, code.org, preview-code.marketing-sites.code.org, www.code.marketing-sites.code.org, www.code.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 6
Links
18 internal · 7 external · 20 broken
Images
18 total · 0 missing alt
Scripts / Styles
48 scripts · 28 stylesheets
JS / CSS size
376 KB · 162 KB
Page size
603 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://code.org
- Final URL
- https://code.org/en-US?msclkid=a16d4395ae51154500df25c79c4a71be%2F
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 446 ms
- HTML size
- 603 KB
- Redirect chain
- https://code.org → https://code.org/en-US?msclkid=a16d4395ae51154500df25c79c4a71be%2F
See something wrong on this report? Request a correction
Related websites
Same technology stack
discord.dev
Discord Developer Platform - Documentation - Discord
emplifyhealth.org
Emplify Health | A Little Empathy Changes Everything
cutshort.io
Cutshort: Making Top Professionals More Successful.
cyware.com
Cyware - AI-Powered Threat Intelligence Platform | Home
ashbyprd.com
All-in-one Recruiting Software for Ambitious Teams | Ashby
fhinck.com
Fhinck — Task Mining + Agentes de IA | AI First
Frequently asked questions
- What technology does code.org use?
- code.org is built with Next.js, Google Analytics.
- Is code.org secure (HTTPS)?
- Yes. code.org uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 5, 2026.
- Who hosts code.org?
- Hosting provider information for code.org is not available yet.
- What is code.org's SEO score?
- code.org scored 85/100 for SEO in the latest analysis (great).
- What is code.org's overall website score?
- code.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- What company operates code.org?
- code.org is operated by Code.org. Code.org® is an education innovation nonprofit dedicated to the vision that every student in every school has the opportunity to learn computer science and artificial intelligence as part of their core K-12 education. We expand access to and participation in computer science in schools, with a focus on increasing participation by young women and students from other underrepresented groups. The leading provider of K-12 computer science curriculum in the largest school districts in the United States, Code.org also organizes the annual Hour of Code campaign, which has engaged more than 15% of all students in the world. Code.org is supported by generous donors including Microsoft, Amazon, Google and many others.
- Has code.org's score changed over time?
- code.org's overall score has improved by 6 points (from 81 to 87) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card