Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 193.218.139.99 |
| Server Software | Tengine |
| 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. |
|
🕐 🟡 Slow Response (1245 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 193.218.139.99
Server Software Tengine
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.
🕐 🟡 Slow Response (1245 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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://sfu-kras.ru:443 | 301 | HTTP/2 301 |
| 2 | https://sfu.ru/ru | 200 | HTTP/2 200 |
#1 URL https://sfu-kras.ru:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://sfu.ru/ru
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 153.6 ms |
| TCP Connect | 250.8 ms |
| TLS Handshake | 100.6 ms |
| Time To First Byte (TTFB) | 754.8 ms |
| Content Download | 489.8 ms |
| Total Response Time | 1244.6 ms |
DNS Lookup 153.6 ms
TCP Connect 250.8 ms
TLS Handshake 100.6 ms
Time To First Byte (TTFB) 754.8 ms
Content Download 489.8 ms
Total Response Time 1244.6 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 | Сибирский федеральный университет | Сибирский федеральный университет |
| Meta Description | Официальный сайт Сибирского федерального университета |
| Canonical | https://sfu.ru/ru |
Title Сибирский федеральный университет | Сибирский федеральный университет
Meta Description Официальный сайт Сибирского федерального университета
Canonical https://sfu.ru/ru
Detected Technologies
| Technology | React Google Analytics Next.js |
Technology React Google Analytics Next.js
HTTP Headers
| Server
| Tengine |
| Date
| Fri, 24 Jul 2026 04:32:57 GMT |
| Content-type
| text/html; charset=utf-8 |
| Vary
| RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding |
| Link
| ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2" |
| Cache-control
| private, no-cache, no-store, max-age=0, must-revalidate |
| Content-encoding
| gzip |
| Set-cookie
| sl-session=uWmKd3k8ZGoZz+D4KdcIzw==; SameSite=None; Secure; Path=/; Max-Age=86400; HttpOnly |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | Официальный сайт Сибирского федерального университета |
| Yandex-verification | 959c3d4cdfa92f0b |
Server Tengine
Date Fri, 24 Jul 2026 04:32:57 GMT
Content-type text/html; charset=utf-8
Vary RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding
Link ; rel=preload; as="font"; crossorigin=""; type="font/woff2", ; rel=preload; as="font"; crossorigin=""; type="font/woff2"
Cache-control private, no-cache, no-store, max-age=0, must-revalidate
Content-encoding gzip
Set-cookie sl-session=uWmKd3k8ZGoZz+D4KdcIzw==; SameSite=None; Secure; Path=/; Max-Age=86400; HttpOnly