linestring.ru

linestring.ru

Last scanned Aug 24, 2026, 1:22 PM · 2 views

81

Overall score

Great

Summary

This website uses Nginx hosted on SELECTEL - JSC Selectel, RU. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.

Russia

Hosted on SELECTEL - JSC Selectel, RU

Top issues to fix

9 issues found · 3 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+3 more issues — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

164 ms

65

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Meta tags

Title: linestring.ru
Description
Canonical
Language: ru
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: 31.184.215.135
ASN: AS49505 (SELECTEL - JSC Selectel, RU)

DNS records

Type	Value
A	31.184.215.135
AAAA	—
MX	mx.yandex.net
TXT	yandex-verification: c1687a5c009e6d1f v=spf1 redirect=_spf.yandex.net
NS	ns2.gcdn.services ns1.gcorelabs.net
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: linestring.ru
Valid from: Aug 23, 2026
Valid to: Nov 21, 2026
Days until expiry: 88
SAN domains: linestring.ru, www.linestring.ru

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 833 B

Page size

1.1 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://linestring.ru
Final URL: https://linestring.ru
HTTP status: 200
HTTP version: HTTP/2
Response time: 164 ms
HTML size: 1.1 KB
Redirect chain: https://linestring.ru

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does linestring.ru use?: linestring.ru is built with Nginx.
Is linestring.ru secure (HTTPS)?: Yes. linestring.ru uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 21, 2026.
Who hosts linestring.ru?: linestring.ru is hosted on SELECTEL - JSC Selectel, RU.
What is linestring.ru's SEO score?: linestring.ru scored 65/100 for SEO in the latest analysis (fair).
What is linestring.ru's overall website score?: linestring.ru has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.