codecademy.com
Learn to Code - for Free | Codecademy
Last scanned Jul 29, 2026, 6:00 PM · 8 views
Overall score
Great
Summary
Learn the technical skills to get the job you want. This website uses Next.js behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (90/100). Top issue: robots.txt not found.
Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
Top issues to fix
7 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
383 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 21, 2026
- Overall
- 85
- SEO
- 90
- Security
- 75
- Performance
- 90
- Accessibility
- 85
Organization
Company details published in this site's own structured data.
Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
Meta tags
- Title
- Learn to Code - for Free | Codecademy
- Description
- Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
- Canonical
- https://www.codecademy.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- www.codecademy.com
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 61
- SAN domains
- www.codecademy.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 22 · H3 1
Links
74 internal · 11 external · 20 broken
Images
62 total · 13 missing alt
Scripts / Styles
26 scripts · 3 stylesheets
JS / CSS size
3.8 KB · 155 KB
Page size
429 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://codecademy.com
- Final URL
- https://www.codecademy.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 375 ms
- HTML size
- 429 KB
- Redirect chain
- https://codecademy.com → https://www.codecademy.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does codecademy.com use?
- codecademy.com is built with Next.js, Cloudflare Analytics.
- Is codecademy.com secure (HTTPS)?
- Yes. codecademy.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 29, 2026.
- Who hosts codecademy.com?
- Hosting provider information for codecademy.com is not available yet.
- What is codecademy.com's SEO score?
- codecademy.com scored 90/100 for SEO in the latest analysis (excellent).
- What is codecademy.com's overall website score?
- codecademy.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- Has codecademy.com's score changed over time?
- codecademy.com's overall score has declined by 3 points (from 88 to 85) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card