big3.ru
Большая Тройка
Last scanned Jul 26, 2026, 5:17 AM
Overall score
Fair
Summary
Российская производственная компания Большая Тройка. This website uses PHP hosted on SELECTEL-MSK - JSC Selectel, RU. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance good (75/100). Top issue: Missing canonical link.
Российская производственная компания Большая Тройка
- Russia
- Hosted on SELECTEL-MSK - JSC Selectel, RU
Top issues to fix
6 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
3 issue(s) found
Performance
555 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Российская производственная компания Большая Тройка
Contact
Email, phone, and address published on this site's own pages.
- info@big3.ru
Meta tags
- Title
- Большая Тройка
- Description
- Российская производственная компания Большая Тройка
- Canonical
- Language
- ru
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
- https://big3.ru/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SELECTEL-MSK - JSC Selectel, RU
- CDN provider
- —
- IP address
- 37.48.254.162
- ASN
- AS50340 (SELECTEL-MSK - JSC Selectel, 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
- *.big3.ru
- Valid from
- Feb 8, 2026
- Valid to
- Mar 12, 2027
- Days until expiry
- 229
- SAN domains
- *.big3.ru, big3.ru
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 8 · H3 0
Links
63 internal · 12 external · 0 broken
Images
67 total · 2 missing alt
Scripts / Styles
13 scripts · 7 stylesheets
JS / CSS size
2.0 MB · 920 KB
Page size
117 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
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://big3.ru
- Final URL
- https://big3.ru
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 553 ms
- HTML size
- 117 KB
- Redirect chain
- https://big3.ru
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does big3.ru use?
- big3.ru is built with PHP, jQuery.
- Is big3.ru secure (HTTPS)?
- Yes. big3.ru uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Mar 12, 2027.
- Who hosts big3.ru?
- big3.ru is hosted on SELECTEL-MSK - JSC Selectel, RU.
- What is big3.ru's SEO score?
- big3.ru scored 75/100 for SEO in the latest analysis (fair).
- What is big3.ru's overall website score?
- big3.ru has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Is big3.ru hiring?
- big3.ru has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card