stepik.org
Онлайн-курсы - Stepik
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Fair
Summary
Образовательная платформа - Stepik Выберите подходящий вам онлайн-курс из более чем 20 тыс. This website uses Google Analytics hosted on HLL-AS - HLL LLC, RU. SEO is good (75/100) and accessibility is fair (65/100). Security scores good (75/100) and performance poor (40/100). Top issue: Meta description longer than 160 characters.
Образовательная платформа - Stepik Выберите подходящий вам онлайн-курс из более чем 20 тыс. и начните получать востребованные навыки.
- Russia
- Hosted on HLL-AS - HLL LLC, RU
Top issues to fix
11 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Slow estimated load (4.8s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
+5 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
4.79 s
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
Образовательная платформа - Stepik Выберите подходящий вам онлайн-курс из более чем 20 тыс. и начните получать востребованные навыки.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Онлайн-курсы - Stepik
- Description
- Образовательная платформа - Stepik Выберите подходящий вам онлайн-курс из более чем 20 тыс. и начните получать востребованные навыки.
- Canonical
- https://stepik.org/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HLL-AS - HLL LLC, RU
- CDN provider
- —
- IP address
- 178.248.239.111
- ASN
- AS51115 (HLL-AS - HLL LLC, RU)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- stepik.org
- Valid from
- Jul 24, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 88
- SAN domains
- stepic.org, stepik.org, www.stepic.org, www.stepik.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
3 internal · 14 external · 2 broken
Images
10 total · 4 missing alt
Scripts / Styles
11 scripts · 4 stylesheets
JS / CSS size
5.0 MB · 991 KB
Page size
47.7 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 62
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://stepik.org
- Final URL
- https://stepik.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4.79 s
- HTML size
- 47.7 KB
- Redirect chain
- https://stepik.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does stepik.org use?
- stepik.org is built with Django, Google Analytics, Meta Pixel.
- Is stepik.org secure (HTTPS)?
- Yes. stepik.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 22, 2026.
- Who hosts stepik.org?
- stepik.org is hosted on HLL-AS - HLL LLC, RU.
- What is stepik.org's SEO score?
- stepik.org scored 75/100 for SEO in the latest analysis (fair).
- What is stepik.org's overall website score?
- stepik.org has an overall SiteGraph score of 64/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card