Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.11.207 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.18.11.207
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://bootstrapcdn.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.bootstrapcdn.com/ | 200 | HTTP/2 200 |
#1 URL https://bootstrapcdn.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.bootstrapcdn.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 7 ms |
| TLS Handshake | 7.8 ms |
| Time To First Byte (TTFB) | 23.5 ms |
| Content Download | 2 ms |
| Total Response Time | 25.5 ms |
DNS Lookup 5.2 ms
TCP Connect 7 ms
TLS Handshake 7.8 ms
Time To First Byte (TTFB) 23.5 ms
Content Download 2 ms
Total Response Time 25.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Official CDN of Bootstrap and Font Awesome · BootstrapCDN |
| Meta Description | The recommended free CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons. |
| Canonical | https://www.bootstrapcdn.com/ |
| Open Graph Title | Official CDN of Bootstrap and Font Awesome |
| Open Graph Description | The recommended free CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons. |
| Open Graph Image | http://www.bootstrapcdn.com/assets/img/og.dd30b10.png |
| Twitter Card | summary |
| Twitter Title | Official CDN of Bootstrap and Font Awesome |
Title Official CDN of Bootstrap and Font Awesome · BootstrapCDN Meta Description The recommended free CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons. Canonical https://www.bootstrapcdn.com/ Open Graph Title Official CDN of Bootstrap and Font Awesome Open Graph Description The recommended free CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons. Open Graph Image http://www.bootstrapcdn.com/assets/img/og.dd30b10.png Twitter Card summary Twitter Title Official CDN of Bootstrap and Font Awesome Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Cloudflare |
Technology Bootstrap jQuery Google Analytics Cloudflare
HTTP Headers
| Date
| Wed, 19 Aug 2026 22:40:52 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cache-control
| public, max-age=300 |
| Content-encoding
| gzip |
| Expect-ct
| max-age=0 |
| Referrer-policy
| strict-origin-when-cross-origin |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Vary
| Accept-Encoding |
| X-content-type-options
| nosniff |
| X-download-options
| noopen |
| X-frame-options
| DENY |
| X-permitted-cross-domain-policies
| none |
| X-xss-protection
| 0 |
| Age
| 1131112 |
| Last-modified
| Fri, 07 Aug 2026 08:33:50 GMT |
| Cf-cache-status
| HIT |
| Server
| cloudflare |
| Cf-ray
| a2dca9996aba1344-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Description | The recommended free CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons. |
| Msapplication-TileColor | #222 |
| Msapplication-config | /assets/img/favicons/browserconfig.xml |
| Theme-color | #222 |
Date Wed, 19 Aug 2026 22:40:52 GMT
Content-type text/html; charset=utf-8
Cache-control public, max-age=300
Content-encoding gzip
Expect-ct max-age=0
Referrer-policy strict-origin-when-cross-origin
Strict-transport-security max-age=31536000; includeSubDomains; preload
Vary Accept-Encoding
X-content-type-options nosniff
X-download-options noopen
X-frame-options DENY
X-permitted-cross-domain-policies none
X-xss-protection 0
Age 1131112
Last-modified Fri, 07 Aug 2026 08:33:50 GMT
Cf-cache-status HIT
Server cloudflare
Cf-ray a2dca9996aba1344-CDG
Alt-svc h3=":443"; ma=86400
