Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.17.28 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.18.17.28
Server Software cloudflare
CDN Cloudflare
Compression gzip
Performance
| DNS Lookup | 16.7 ms |
| TCP Connect | 18.8 ms |
| TLS Handshake | 8 ms |
| Time To First Byte (TTFB) | 501.9 ms |
| Content Download | 2.5 ms |
| Total Response Time | 504.4 ms |
DNS Lookup 16.7 ms
TCP Connect 18.8 ms
TLS Handshake 8 ms
Time To First Byte (TTFB) 501.9 ms
Content Download 2.5 ms
Total Response Time 504.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; preload |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; preload
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Free Online Courses & Online Learning | Alison |
| Meta Description | Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training |
| Canonical | https://alison.com |
| Open Graph Title | Free Online Courses & Online Learning | Alison |
| Open Graph Description | Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training |
| Open Graph Image | https://cdn01.alison-static.net/public/html/site/img/shar... |
| Twitter Card | summary |
| Twitter Title | Free Online Courses & Online Learning | Alison |
| Twitter Description | Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training |
| Twitter Image | https://cdn01.alison-static.net/public/html/site/img/shar... |
Title Free Online Courses & Online Learning | Alison Meta Description Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training Canonical https://alison.com Open Graph Title Free Online Courses & Online Learning | Alison Open Graph Description Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training Open Graph Image https://cdn01.alison-static.net/public/html/site/img/shar... Twitter Card summary Twitter Title Free Online Courses & Online Learning | Alison Twitter Description Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training Twitter Image https://cdn01.alison-static.net/public/html/site/img/shar... Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare Intercom |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare Intercom
HTTP Headers
| Date
| Thu, 20 Aug 2026 07:31:24 GMT |
| Content-type
| text/html; charset=utf-8 |
| Set-cookie
| _cfuvid=sfrmSwmn6e8hShTKQvhU9Gaoc5m37y9ENt33Q77tm7c-1787211083.9932747-1.0.1.1-MzkEbgRQWWQEnPGD2lZrP21XJo0GeONLHedEyyAN3ZE; HttpOnly; SameSite=None; Secure; Path=/; Domain=alison.com |
| Cf-ray
| a2dfb2bafe391344-CDG |
| Cf-cache-status
| DYNAMIC |
| Access-control-allow-origin
| * |
| Cache-control
| no-cache, private |
| Server
| cloudflare |
| X-xss-protection
| 1; mode=block |
| Strict-transport-security
| max-age=31536000; preload |
| Vary
| Accept-Encoding |
| Access-control-allow-headers
| x-requested-with, Content-Type, origin, authorization, accept, client-security-token |
| Access-control-allow-methods
| PUT, GET, POST, DELETE, OPTIONS, PATCH |
| Access-control-max-age
| 1000 |
| Content-security-policy
| frame-ancestors 'self'; |
| Cross-origin-opener-policy
| same-origin-allow-popups |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Server-timing
| cfEdge;dur=465,cfOrigin;dur=0 |
| Content-encoding
| gzip |
Meta Tags
| Keywords | alison courses |
| Description | Free online courses with certificates. Join 15 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training |
| Csrf-token | 1mSx4zosbHXVTlvuqLOuBxJFppMHdW18GVCEqBaZ |
| Viewport | width=device-width, initial-scale=1 |
| Theme-color | #ffffff |
Date Thu, 20 Aug 2026 07:31:24 GMT
Content-type text/html; charset=utf-8
Set-cookie _cfuvid=sfrmSwmn6e8hShTKQvhU9Gaoc5m37y9ENt33Q77tm7c-1787211083.9932747-1.0.1.1-MzkEbgRQWWQEnPGD2lZrP21XJo0GeONLHedEyyAN3ZE; HttpOnly; SameSite=None; Secure; Path=/; Domain=alison.com
Cf-ray a2dfb2bafe391344-CDG
Cf-cache-status DYNAMIC
Access-control-allow-origin *
Cache-control no-cache, private
Server cloudflare
X-xss-protection 1; mode=block
Strict-transport-security max-age=31536000; preload
Vary Accept-Encoding
Access-control-allow-headers x-requested-with, Content-Type, origin, authorization, accept, client-security-token
Access-control-allow-methods PUT, GET, POST, DELETE, OPTIONS, PATCH
Access-control-max-age 1000
Content-security-policy frame-ancestors 'self';
Cross-origin-opener-policy same-origin-allow-popups
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Server-timing cfEdge;dur=465,cfOrigin;dur=0
Content-encoding gzip
