4s-info.ru

https://4s-info.ru· First analyzed 20 May 2026· Updated 20 May 2026

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4s-info.ru

Mobile

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Hosting Provider

SPRINTHOST.RU LLC

IP Address

141.8.192.228

Site Location

🇷🇺 Russiavia tld

Server Location

🇷🇺 St Petersburg, Russia

ASN

AS35278

Server

OpenResty

Nameservers

ns1.sprinthost.ru.ns2.sprinthost.ru.ns4.sprinthost.net.ns3.sprinthost.net.

Performance

Core Web Vitals

Weight

First Contentful Paint

782 ms10%

Speed Index

1.0 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.1 MB

80 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.8.5

cms

chslovov1.0Custom

by Author URI:

View Theme

Technology Stack

12 Technologies Detected

Plugins

Analytics

Libraries

CSS Frameworks

Icon Libraries

Web Servers

Customer Support

SEO Analysis

C63/100

Meta Tags5/15

Content11/12

Headings3/8

Technical19/21

E-E-A-T2/7

Images3/7

Links5/5

URL5/5

Social4/5

Freshness0/4

Mobile3/4

Indexability3/3

4s-info.ru4s-info.ru

ЧС ИНФО — свежие новости и события: Происшествия Политика Экономика...

сибирский информационный портал

Title truncated.

Title Length83 chars

Recommended: 50-60 chars (~510px / 580px)

Description Length31 chars

Recommended: 120-160 chars

Issues (3)

• Title is too long (83 chars, ~510px). Will be truncated in search results.
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (18/23) — critical for accessibility and SEO

9 issues found

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Local SEO

Local Search Readiness

14/100

Poor

4 13

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

D48/100

Bot Access

20/25

Machine Read.

10/25

Schema Data

7/25

Citation

11/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

header/footer

Text ratio:8%

Words:1,046

Token eff.:Optimal

Sections/1K:16.3

Depth:1/5

Structured Data

4 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary12w

Descriptive Headingsavg 9.2w

Canonical URL

Open Graph2/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

AI readiness recommendation preview...

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Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

68/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

13/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

5/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

6/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

46/100

140 mg

CO₂e / view

1.1 MB

Page Weight

70%

Cleaner Than

New Visitor

160 mg

Returning (cached)

80 mg

Annual (10K/mo)

16.8 kg

Emission Segments

Data Center

31 mg

Network

34 mg

Device

75 mg

Resource Breakdown

JavaScript

183.1 KB

Images

635.5 KB

CSS

291.6 KB

HTML

23.4 KB

Green Hosting Not Verified

SPRINTHOST.RU LLC

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

26%Critical

Interactive

HTTPS

No WAF

270d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

14.01.2026

Valid Until

15.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.4s-info.ru4s-info.ru

SHA-256 Fingerprint

1D:9D:3D:1C:1B:85:F2:6C:38:9E:C9:B8:8B:C3:0A:85:A4:21:EE:3A...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 1709s(max-age=1709, public)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Wed, 20 May 2026 19:44:50 GMT

etag

W/"5c8e-6524501fc883f"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mail.4s-info.ru

Domain Information

4s-info.ru

Domain Age

8 years

Created

23.04.2018

Expires

23.04.2027

Registrar

RU-CENTER-RU

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

68/100

Mobile Friendly1 breakpoint

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Roboto

WCAG Partial

61/100

Readability

/30

16/30

10px · LH 1.50

Hierarchy

/20

8/20

WCAG

/25

18/25

3.98:1 min contrast

Performance

/25

19/25

System fonts

Heading Font

Roboto

Sans

Body Font

Roboto

Sans10px

Contrast Ratio

3.98:1

2 issues

Reading Comfort

Single Font Family

left aligned

24px

10px

❌ Critical: 10px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 2 elements below WCAG AA threshold (min 4.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Color Palette

9 unique colors

12.11:1 AAA Light

#ffffff

Background· 61.4%

#303830

Secondary· 5.1%

#a4b7b2

Secondary· 7.8%

#6e5d56

Secondary· 6.2%

#b69379

Secondary· 6.1%

#5b7f98

Secondary· 5%

#f1e8e0

Primary· 2.2%

#993257

Accent· 1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

4s-info.ru(8)st.top100.ru(2)googletagmanager.com(2)stat.sputnik.ru(1)top-fwz1.mail.ru(1)

Website Identity

ЧС-ИНФО

Organization

сибирский информационный портал

4s-info.ru/

8 years old

Location detected: 🇷🇺 Russiavia tld

RU-CENTER-RUru-RU

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Last analyzed: 20 May 2026 at 19:46

Historical Analysis & Change Tracking