Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 141.193.213.21 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (4 HTTP resources) | The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 141.193.213.21
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (4 HTTP resources) The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://k12.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.k12.com/ | 200 | HTTP/2 200 |
#1 URL https://k12.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.k12.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 21.9 ms |
| TCP Connect | 23.7 ms |
| TLS Handshake | 7.1 ms |
| Time To First Byte (TTFB) | 53.8 ms |
| Content Download | 2.7 ms |
| Total Response Time | 56.5 ms |
DNS Lookup 21.9 ms
TCP Connect 23.7 ms
TLS Handshake 7.1 ms
Time To First Byte (TTFB) 53.8 ms
Content Download 2.7 ms
Total Response Time 56.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | K12 Online School Programs for All Grade Levels |
| Meta 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/ |
| Robots Meta | follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large |
| Open Graph Title | K12 Online School Programs for All Grade Levels |
| Open Graph Description | K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now. |
| Twitter Card | summary_large_image |
| Twitter Title | K12 Online School Programs for All Grade Levels |
| Twitter Description | K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now. |
Title K12 Online School Programs for All Grade Levels
Meta 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/
Robots Meta follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
Open Graph Title K12 Online School Programs for All Grade Levels
Open Graph Description K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now.
Twitter Card summary_large_image
Twitter Title K12 Online School Programs for All Grade Levels
Twitter Description K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now.
Detected Technologies
| Technology | WordPress React jQuery Google Analytics Cloudflare PHP |
Technology WordPress React jQuery Google Analytics Cloudflare PHP
HTTP Headers
| Date
| Thu, 20 Aug 2026 00:42:54 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding,Cookie |
| Accept-ch
| Sec-CH-UA-Mobile |
| Link
| ; rel=shortlink |
| X-nitro-cache
| MISS |
| X-nitro-disabled
| 1 |
| X-nitro-disabled-reason
| Test Mode |
| X-powered-by
| WP Engine |
| X-cacheable
| SHORT |
| Cache-control
| max-age=600, must-revalidate |
| X-cache
| HIT: 1 |
| X-cache-group
| normal |
| Last-modified
| Thu, 20 Aug 2026 00:42:23 GMT |
| Cf-cache-status
| HIT |
| Access-control-allow-origin
| https://es.k12.com |
| Set-cookie
| __cf_bm=0a86XEYSgTBmK.oEP_s5mY4CINatUdrLNgb9AZ0xVvI-1787186574.4106233-1.0.1.1-_WDnUSM0CSJSp3YICnvp3EwnPImMiAkuZUnFMoWOTv9nwJ7dF4yNoHn41Rytxd4zv18lfYzWyJOCTluIo2TgTNyflh9TPHCDQTwMYjmvM_stDfp7JepBLONx.aTteKTS; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.k12.com; Expires=Thu, 20 Aug 2026 01:12:54 GMT |
| Age
| 210 |
| Content-encoding
| gzip |
| Cf-ray
| a2dd5c5a0d69f6dd-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | K12 offers online school programs for students in grades K-12, combining flexibility and quality education. ✓Explore our virtual school options now. |
| Robots | follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large |
| Msapplication-TileImage |  |
Date Thu, 20 Aug 2026 00:42:54 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Vary Accept-Encoding,Cookie
Accept-ch Sec-CH-UA-Mobile
Link ; rel=shortlink
X-nitro-cache MISS
X-nitro-disabled 1
X-nitro-disabled-reason Test Mode
X-powered-by WP Engine
X-cacheable SHORT
Cache-control max-age=600, must-revalidate
X-cache HIT: 1
X-cache-group normal
Last-modified Thu, 20 Aug 2026 00:42:23 GMT
Cf-cache-status HIT
Access-control-allow-origin https://es.k12.com
Set-cookie __cf_bm=0a86XEYSgTBmK.oEP_s5mY4CINatUdrLNgb9AZ0xVvI-1787186574.4106233-1.0.1.1-_WDnUSM0CSJSp3YICnvp3EwnPImMiAkuZUnFMoWOTv9nwJ7dF4yNoHn41Rytxd4zv18lfYzWyJOCTluIo2TgTNyflh9TPHCDQTwMYjmvM_stDfp7JepBLONx.aTteKTS; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.k12.com; Expires=Thu, 20 Aug 2026 01:12:54 GMT
Age 210
Content-encoding gzip
Cf-ray a2dd5c5a0d69f6dd-CDG
Alt-svc h3=":443"; ma=86400
