openedu.ru
Main page - Open Education
Last scanned Aug 4, 2026, 5:00 PM · 7 views
Overall score
Great
Summary
Free online courses from leading Russian universities. This website uses Next.js. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.
Free online courses from leading Russian universities
Top issues to fix
8 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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
509 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+1 overall since Jul 27, 2026
- Overall
- 87
- SEO
- 70
- Security
- 85
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Free online courses from leading Russian universities
Meta tags
- Title
- Main page - Open Education
- Description
- Free online courses from leading Russian universities
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
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
- openedu.ru
- Valid from
- Aug 2, 2026
- Valid to
- Oct 31, 2026
- Days until expiry
- 88
- SAN domains
- openedu.ru
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 3 · H3 0
Links
46 internal · 4 external · 4 broken
Images
56 total · 0 missing alt
Scripts / Styles
65 scripts · 6 stylesheets
JS / CSS size
87.5 KB · 819 B
Page size
181 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://openedu.ru
- Final URL
- https://openedu.ru
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 506 ms
- HTML size
- 181 KB
- Redirect chain
- https://openedu.ru
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does openedu.ru use?
- openedu.ru is built with Next.js.
- Is openedu.ru secure (HTTPS)?
- Yes. openedu.ru uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 31, 2026.
- Who hosts openedu.ru?
- Hosting provider information for openedu.ru is not available yet.
- What is openedu.ru's SEO score?
- openedu.ru scored 70/100 for SEO in the latest analysis (fair).
- What is openedu.ru's overall website score?
- openedu.ru has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has openedu.ru's score changed over time?
- openedu.ru's overall score has improved by 1 point (from 86 to 87) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card