Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 188.225.28.38 |
| Server Software | nginx/1.30.3 |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 188.225.28.38
Server Software nginx/1.30.3
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 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.
Performance
| DNS Lookup | 58.4 ms |
| TCP Connect | 102.2 ms |
| TLS Handshake | 49.9 ms |
| Time To First Byte (TTFB) | 352.2 ms |
| Content Download | 0.3 ms |
| Total Response Time | 352.5 ms |
DNS Lookup 58.4 ms
TCP Connect 102.2 ms
TLS Handshake 49.9 ms
Time To First Byte (TTFB) 352.2 ms
Content Download 0.3 ms
Total Response Time 352.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Национальный книжный центр (НКЦ) |
| Meta Description | Педагогическое издательство "Национальный книжный центр" |
| Robots Meta | index, follow |
Title Национальный книжный центр (НКЦ)
Meta Description Педагогическое издательство "Национальный книжный центр"
Robots Meta index, follow
Detected Technologies
| Technology | jQuery Google Analytics Nginx PHP |
Technology jQuery Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx/1.30.3 |
| Date
| Tue, 28 Jul 2026 00:32:22 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding |
| P3p
| policyref="/bitrix/p3p.xml", CP="NON DSP COR CUR ADM DEV PSA PSD OUR UNR BUS UNI COM NAV INT DEM STA" |
| X-powered-cms
| Bitrix Site Manager (e4c8078f9a2c257a0e07e1d895262002) |
| Set-cookie
| BITRIX_SM_LAST_VISIT=28.07.2026%2003%3A32%3A21; expires=Fri, 23 Jul 2027 00:32:21 GMT; Max-Age=31103999; path=/; domain=nbcmedia.ru |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| X-frame-options
| SAMEORIGIN |
| Content-security-policy
| frame-ancestors 'self'; |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Robots | index, follow |
| Description | Педагогическое издательство "Национальный книжный центр" |
| Yandex-verification | 778d2c876bb606c4 |
Server nginx/1.30.3
Date Tue, 28 Jul 2026 00:32:22 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding
P3p policyref="/bitrix/p3p.xml", CP="NON DSP COR CUR ADM DEV PSA PSD OUR UNR BUS UNI COM NAV INT DEM STA"
X-powered-cms Bitrix Site Manager (e4c8078f9a2c257a0e07e1d895262002)
Set-cookie BITRIX_SM_LAST_VISIT=28.07.2026%2003%3A32%3A21; expires=Fri, 23 Jul 2027 00:32:21 GMT; Max-Age=31103999; path=/; domain=nbcmedia.ru
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
X-frame-options SAMEORIGIN
Content-security-policy frame-ancestors 'self';
Content-encoding gzip
