21-school.ru
Обучение программированию с нуля в Школе 21 - бесплатные IT курсы с трудоустройством от Сбера
Last scanned Jul 26, 2026, 4:25 AM · 1 view
Overall score
Great
Summary
Программирование с нуля в «Школе 21» от Сбербанка с трудоустройством. This website uses Next.js hosted on AS-SERVICEPIPE - SERVICEPIPE LLC, RU. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance fair (65/100). Top issue: Title longer than 60 characters.
Программирование с нуля в «Школе 21» от Сбербанка с трудоустройством. Рассказываем, как начать учиться программированию в бесплатной школе цифровых технологий.
- Russia
- Hosted on AS-SERVICEPIPE - SERVICEPIPE LLC, RU
Top issues to fix
7 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
1.03 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Программирование с нуля в «Школе 21» от Сбербанка с трудоустройством. Рассказываем, как начать учиться программированию в бесплатной школе цифровых технологий.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Обучение программированию с нуля в Школе 21 - бесплатные IT курсы с трудоустройством от Сбера
- Description
- Программирование с нуля в «Школе 21» от Сбербанка с трудоустройством. Рассказываем, как начать учиться программированию в бесплатной школе цифровых технологий.
- Canonical
- Language
- ru
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://21-school.ru/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AS-SERVICEPIPE - SERVICEPIPE LLC, RU
- CDN provider
- —
- IP address
- 91.221.165.183
- ASN
- AS201706 (AS-SERVICEPIPE - SERVICEPIPE LLC, RU)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- GlobalSign nv-sa
- Subject
- *.21-school.ru
- Valid from
- Oct 6, 2025
- Valid to
- Nov 7, 2026
- Days until expiry
- 104
- SAN domains
- *.21-school.ru, autodiscover.21-school.ru, mail.21-school.ru, owa.21-school.ru, 21-school.ru
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 11
Links
26 internal · 3 external · 0 broken
Images
23 total · 0 missing alt
Scripts / Styles
20 scripts · 5 stylesheets
JS / CSS size
1.4 MB · 117 KB
Page size
330 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://21-school.ru
- Final URL
- https://21-school.ru
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.02 s
- HTML size
- 330 KB
- Redirect chain
- https://21-school.ru
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does 21-school.ru use?
- 21-school.ru is built with Next.js, Nginx.
- Is 21-school.ru secure (HTTPS)?
- Yes. 21-school.ru uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Nov 7, 2026.
- Who hosts 21-school.ru?
- 21-school.ru is hosted on AS-SERVICEPIPE - SERVICEPIPE LLC, RU.
- What is 21-school.ru's SEO score?
- 21-school.ru scored 80/100 for SEO in the latest analysis (great).
- What is 21-school.ru's overall website score?
- 21-school.ru has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Is 21-school.ru hiring?
- 21-school.ru has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card