k12.com
K12 Online School Programs for All Grade Levels
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Excellent
Summary
K12 offers online school programs for students in grades K-12, combining flexibility and quality education. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100).
K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
SEO
0 issue(s) found
Performance
506 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- K12 Online School Programs for All Grade Levels
- Description
- K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now.
- Canonical
- https://www.k12.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
- Manifest
- https://www.k12.com/wp-content/themes/k12-theme-v2/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 141.193.213.21
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
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.k12.com
- Valid from
- Jul 19, 2026
- Valid to
- Oct 17, 2026
- Days until expiry
- 82
- SAN domains
- www.k12.com
Security headers
- Strict-Transport-SecurityMissing
- 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 24 · H3 14
Links
155 internal · 38 external · 0 broken
Images
78 total · 0 missing alt
Scripts / Styles
76 scripts · 15 stylesheets
JS / CSS size
904 KB · 194 KB
Page size
268 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Careers
Scan details
- Requested URL
- https://k12.com
- Final URL
- https://www.k12.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 501 ms
- HTML size
- 268 KB
- Redirect chain
- https://k12.com → https://www.k12.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does k12.com use?
- k12.com is built with React, Vue.js, WordPress, jQuery, Google Analytics.
- Is k12.com secure (HTTPS)?
- Yes. k12.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 17, 2026.
- Who hosts k12.com?
- k12.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is k12.com's SEO score?
- k12.com scored 100/100 for SEO in the latest analysis (excellent).
- What is k12.com's overall website score?
- k12.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Is k12.com hiring?
- Yes. k12.com has 18 open roles listed on their careers page.
OpenGraph & Twitter Card
OpenGraph
Twitter Card