Information that we collected when analyzing the site
Update date: 03.08.2026
URL site
A unique address of the page on the Internet, on which it can be found and opened in a browser
21vek-ege.ru
Title
The title of the page that is displayed in the browser tab and serves as the main name of the pages for search engines and users
Курсы подготовки к ЕГЭ и ОГЭ 2021 в Санкт-Петербурге - Центр 21 век
Description
A brief description of the contents of the page, which is often shown in the search results under the heading and helps users understand what the page is about
Учебный центр 21 век проводит запись на подготовительные курсы ЕГЭ/ОГЭ по всем предметам в Санкт-Петербурге. Школа подготовки к экзаменам: Центр XXI век.
Technologies
Technologies used on the site
Streamwood
SvelteKit
VK Pixel
React
Cart Functionality
core-js
Let's Encrypt
Font Awesome
1C-Bitrix
jQuery
PWA
Preact
Nginx
Bootstrap
Magnific Popup
Svelte
Node.js
Vite
PHP
Contacts
Contacts that we collected when analyzing the site
Update date: 03.08.2026
Telephone numbers
Contact numbers of the phones indicated on the contact page for communication with the company or responsible persons
+781238393░░
+792194295░░
+781231447░░
Proven emails
Email addresses that were verified and confirmed as correct and relevant for communication
░░░░░░░@yandex.ru
Social media
Links to the official pages of the company on social networks
Site rating
The site's rating according to analytical services
Update date: 13.12.2025
URL site
The address of the site that owns the rating
21vek-ege.ru
Site quality index (X)
An indicator of popularity and demand for a site among users according to analytical services
20
The number of reviews
0
The number of positive reviews
0
The number of negative reviews
0
Site headers
Information about HTTP headings received when website request
Update date: 03.08.2026
Status code
HTTP server response, indicating the result of the request
200
Protocol
Data transmission protocol used by the server (for example, HTTP or HTTPS)
https
IP server address
IP address of server, which processed a request
45.90.245.194
Caching (Cache-Control)
Instructions for caching the response by a browser or proxy
must-revalidate, max-age=172800, private
The date of the answer
The time when the server formed the answer
Mon, 03 Aug 2026 09:50:12 GMT
Server
Information about server software that processed a request
nginx/1.26.1
ETAG
Identifier version of the contents for caching and checking changes
b1b411826d5b7f1a282f7ae4744708f5
The length of the contents
Body body size in bytes
97815
Vary
The heading that indicates what parameters the answer may change
Accept-Encoding
Compound
Information about the type of connection (for example, Keep-Alive or Close)
keep-alive
Reply message
Text message accompanying status code
OK
DNS Information
Data obtained in the analysis of the domain zone
Update date: 25.07.2026
URL
The address at which DNS-records were requested
21vek-ege.ru
A-record
IPV4 addresses, to which the domain is attached
45.90.245.194
A-record (www)
IPV4 Address Pontodomen www
45.90.245.194
NS-records
Name servers (NAME Servers) serving the domain
ns1.redz.ru
ns2.redz.ru
Basic NS (Soa)
The main server of the names indicated in the Soa-record
ns1.redz.ru
Administrator email (soa)
Email address responsible for the domain specified in the Soa-record
ns2@redz.ru
Information Whois
Whois data containing information about the domain and its owner
Update date: 08.08.2026
URL domain
The unique address of the domain on the Internet
21vek-ege.ru
Registrar
The company through which the domain is registered
Курсы Гидов и Экскурсоводов в центре 21 век: курсы, обучение, профессиональное допобразование в Санкт-Петербурге
Дополнительное образование в центре 21 век: различные курсы, дополнительное профессиональное обучение, профессиональное допобразование в Санкт-Петербурге