Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.67.71.145 |
| 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 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.67.71.145
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 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.
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 6.9 ms |
| TLS Handshake | 7.5 ms |
| Time To First Byte (TTFB) | 532.1 ms |
| Content Download | 0.4 ms |
| Total Response Time | 532.5 ms |
DNS Lookup 5.2 ms
TCP Connect 6.9 ms
TLS Handshake 7.5 ms
Time To First Byte (TTFB) 532.1 ms
Content Download 0.4 ms
Total Response Time 532.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Front Page | USB-IF |
| Canonical | https://usb.org/front-page |
Title Front Page | USB-IF
Canonical https://usb.org/front-page
Detected Technologies
| Technology | Drupal Bootstrap jQuery Google Analytics Cloudflare |
Technology Drupal Bootstrap jQuery Google Analytics Cloudflare
HTTP Headers
| Date
| Wed, 22 Jul 2026 02:54:54 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| X-powered-by
| PleskLin |
| Cache-control
| max-age=3600, public |
| X-drupal-dynamic-cache
| MISS |
| Link
| ; rel="canonical", ; rel="shortlink", ; rel="revision" |
| X-ua-compatible
| IE=edge |
| Content-language
| en |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Vary
| accept-encoding |
| X-generator
| Drupal 8 (https://www.drupal.org) |
| X-drupal-cache
| HIT |
| Last-modified
| Tue, 21 Jul 2026 16:08:54 GMT |
| Etag
| W/"1784650134" |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RWv1%2FzcQdzGl2Wp1fwlYm9HPFaWkARuIfJzl2Doi1FSk2%2B%2FduWdOEDFtghE8qJ2Jt9sasB%2BkqLGOoO6OMeHOq0mMjssBzHtsLUipV5uDWXtoWddUwgsyT7UlPc7PM4i7FlSXfAU%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a1ef29d32d0b022f-CDG |
Meta Tags
| Generator | Drupal 8 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Date Wed, 22 Jul 2026 02:54:54 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
X-powered-by PleskLin
Cache-control max-age=3600, public
X-drupal-dynamic-cache MISS
Link ; rel="canonical", ; rel="shortlink", ; rel="revision"
X-ua-compatible IE=edge
Content-language en
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Expires Sun, 19 Nov 1978 05:00:00 GMT
Vary accept-encoding
X-generator Drupal 8 (https://www.drupal.org)
X-drupal-cache HIT
Last-modified Tue, 21 Jul 2026 16:08:54 GMT
Etag W/"1784650134"
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RWv1%2FzcQdzGl2Wp1fwlYm9HPFaWkARuIfJzl2Doi1FSk2%2B%2FduWdOEDFtghE8qJ2Jt9sasB%2BkqLGOoO6OMeHOq0mMjssBzHtsLUipV5uDWXtoWddUwgsyT7UlPc7PM4i7FlSXfAU%3D"}]}
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a1ef29d32d0b022f-CDG
