sum1.ru
СУМ1 - Главная
Last scanned Aug 5, 2026, 8:00 PM · 22 views
Overall score
Great
Summary
This website uses Nginx hosted on SELECTEL - JSC Selectel, RU. SEO is good (85/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
СУМ1
- Свердловская наб., д.58, лит.А, Санкт-Петербург, 195160, RU
- Hosted on SELECTEL - JSC Selectel, RU
Top issues to fix
10 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.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
TLS certificate expires in 30 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
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.
+4 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
191 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+6 overall since Jul 26, 2026
- Overall
- 85
- SEO
- 85
- Security
- 65
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
СУМ1
Contact
Email, phone, and address published on this site's own pages.
- info@sum1.ru
- Phone
- 88124080011
- Address
- Свердловская наб., д.58, лит.А, Санкт-Петербург, 195160, RU
Meta tags
- Title
- СУМ1 - Главная
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SELECTEL - JSC Selectel, RU
- CDN provider
- —
- IP address
- 45.90.246.160
- ASN
- AS49505 (SELECTEL - 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
- Let's Encrypt
- Subject
- sum1.ru
- Valid from
- Jun 7, 2026
- Valid to
- Sep 5, 2026
- Days until expiry
- 30
- SAN domains
- sum1.ru, www.sum1.ru
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 3 · H3 8
Links
15 internal · 3 external · 2 broken
Images
52 total · 1 missing alt
Scripts / Styles
13 scripts · 5 stylesheets
JS / CSS size
685 KB · 120 KB
Page size
21.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 169
SEO issues
- Missing meta description
- Missing canonical link
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://sum1.ru
- Final URL
- https://sum1.ru
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 191 ms
- HTML size
- 21.1 KB
- Redirect chain
- https://sum1.ru
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sum1.ru use?
- sum1.ru is built with PHP, jQuery, Nginx.
- Is sum1.ru secure (HTTPS)?
- Yes. sum1.ru uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 5, 2026.
- Who hosts sum1.ru?
- sum1.ru is hosted on SELECTEL - JSC Selectel, RU.
- What is sum1.ru's SEO score?
- sum1.ru scored 85/100 for SEO in the latest analysis (great).
- What is sum1.ru's overall website score?
- sum1.ru has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- What company operates sum1.ru?
- sum1.ru is operated by СУМ1.
- Has sum1.ru's score changed over time?
- sum1.ru's overall score has improved by 6 points (from 79 to 85) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card