Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 31.186.103.211 |
| Server Software | nginx/1.20.2 + Phusion Passenger(R) 6.0.15 |
| 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 31.186.103.211
Server Software nginx/1.20.2 + Phusion Passenger(R) 6.0.15
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 | 103.5 ms |
| TCP Connect | 147.3 ms |
| TLS Handshake | 90.6 ms |
| Time To First Byte (TTFB) | 434.7 ms |
| Content Download | 43.7 ms |
| Total Response Time | 478.4 ms |
DNS Lookup 103.5 ms
TCP Connect 147.3 ms
TLS Handshake 90.6 ms
Time To First Byte (TTFB) 434.7 ms
Content Download 43.7 ms
Total Response Time 478.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Теории и практики |
| Meta Description | Семинары, лекции и другие формы интеллектуального досуга, полезные курсы в . Онлайн-курсы и видео-лекции. Мнения и новости из мира образования и популярной науки. |
| Robots Meta | noyaca |
| Open Graph Title | Теории и практики
|
| Open Graph Image | https://theoryandpractice.ru/assets/facebook.png |
Title Теории и практики Meta Description Семинары, лекции и другие формы интеллектуального досуга, полезные курсы в . Онлайн-курсы и видео-лекции. Мнения и новости из мира образования и популярной науки. Robots Meta noyaca Open Graph Title Теории и практики
Open Graph Image https://theoryandpractice.ru/assets/facebook.png Detected Technologies
| Technology | Bootstrap Google Analytics Google Tag Manager Nginx PHP |
Technology Bootstrap Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Status
| 200 OK |
| Cache-control
| max-age=0, private, must-revalidate |
| Date
| Tue, 21 Jul 2026 15:58:28 GMT |
| Vary
| Origin |
| X-request-id
| eb0ef9d33bf8cfd1412bd263c0b94138 |
| X-ua-compatible
| IE=Edge,chrome=1 |
| Etag
| W/"274896738fa3fdaa8f45070c9fb0c7b3" |
| X-runtime
| 0.147710 |
| X-rack-cache
| miss |
| Set-cookie
| _theory-session=BAh7CEkiD3Nlc3Npb25faWQGOgZFVEkiJWYzYmRkM2MzNzI2NTNlYTZiY2ZiY2VmMmM4NTc2ZDIwBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMVlwaGRWSUdYN3hoV2N2S0p5RUxTdjNZR2xLeFRlTGF5UmNqamx5Q1d5Lzg9BjsARkkiEXByZXZpb3VzX3VybAY7AEYiBi8%3D--aadd4f0d89273a25adafd7461815001b036473b1; domain=.theoryandpractice.ru; path=/; expires=Mon, 21-Jul-2036 15:41:51 GMT; HttpOnly |
| X-powered-by
| Phusion Passenger(R) 6.0.15 |
| Server
| nginx/1.20.2 + Phusion Passenger(R) 6.0.15 |
| X-frame-options
| SAMEORIGIN |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE=edge,chrome=1 |
| Fb:app_id | 164309120298959 |
| Content-Language | ru |
| Content-Type | text/html; charset=utf-8 |
| Description | Семинары, лекции и другие формы интеллектуального досуга, полезные курсы в . Онлайн-курсы и видео-лекции. Мнения и новости из мира образования и популярной науки. |
| Document-state | Dynamic |
| Apple-mobile-web-app-capable | yes |
| Mobile-web-app-capable | yes |
| Csrf-param | authenticity_token |
| Csrf-token | YphdVIGX7xhWcvKJyELSv3YGlKxTeLayRcjjlyCWy/8= |
| X-dns-prefetch-control | on |
| Msvalidate.01 | 35AF5EFFFC196E67E102026462EBA8FF |
| Viewport | width=device-width, initial-scale=1, maximum-scale=1 |
| Google-site-verification | nIPSEyKvWGlVMaLExBFPith-PBuXdvKQ56-VvbTIUi4 |
| Yandex-verification | 17c498feed9e0d81 |
| Robots | noyaca |
| Pmail-verification | c73a850ad2485d86171617f7c7406ee5 |
Content-type text/html; charset=utf-8
Status 200 OK
Cache-control max-age=0, private, must-revalidate
Date Tue, 21 Jul 2026 15:58:28 GMT
Vary Origin
X-request-id eb0ef9d33bf8cfd1412bd263c0b94138
X-ua-compatible IE=Edge,chrome=1
Etag W/"274896738fa3fdaa8f45070c9fb0c7b3"
X-runtime 0.147710
X-rack-cache miss
Set-cookie _theory-session=BAh7CEkiD3Nlc3Npb25faWQGOgZFVEkiJWYzYmRkM2MzNzI2NTNlYTZiY2ZiY2VmMmM4NTc2ZDIwBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMVlwaGRWSUdYN3hoV2N2S0p5RUxTdjNZR2xLeFRlTGF5UmNqamx5Q1d5Lzg9BjsARkkiEXByZXZpb3VzX3VybAY7AEYiBi8%3D--aadd4f0d89273a25adafd7461815001b036473b1; domain=.theoryandpractice.ru; path=/; expires=Mon, 21-Jul-2036 15:41:51 GMT; HttpOnly
X-powered-by Phusion Passenger(R) 6.0.15
Server nginx/1.20.2 + Phusion Passenger(R) 6.0.15
X-frame-options SAMEORIGIN
Content-encoding gzip
