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4dk.ru

https://4dk.ru· First analyzed 01 Jun 2026· Updated 01 Jun 2026
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4dk.ru
Desktop screenshot of 4dk.ru
Mobile screenshot of 4dk.ru
Mobile

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Hosting Provider

Mastertel

IP Address

83.69.202.150

Site Location

🇷🇺 Москва, Russiavia schema_nap

Server Location

🇷🇺 Moscow, Russia

ASN

AS29226

Organization

Mastertel

Server

Angie/1.11.5

Nameservers

ns4.zenon.net.ns3.zenon.net.

Performance

84

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.2 MB
179 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Hybrid
⚙️ SSR
Frontend
Framework
Nuxt.js
Styling
Tailwind CSS
Infrastructure
Hosting
Mastertel

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

4 Technologies Detected

Meta Frameworks

1
Nuxt.js

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

SEO Analysis

B78/100
23
6
0
Meta Tags13/15
Content10/12
Headings6/8
Technical22/25
E-E-A-T2/7
Images3/7
Links5/5
URL5/5
Social3/5
Freshness2/4
Mobile4/4
Indexability3/3
4
4dk.ru4dk.ru

Первый Дом Консалтинга «Что делать Консалт»

Первый Дом Консалтинга «Что делать Консалт» – крупнейший в Москве и России поставщик справочной правовой системы Консультант Плюс. Улучшаем бизнес Клиента с ...

Description truncated.
Title Length43 chars

Recommended: 50-60 chars (~266px / 580px)

Description Length167 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    11,036 URLs

    robots.txt

    90 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    37/100
    Needs Work
    10 11

    Sponsored

    AI & LLM Readiness

    D57/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    7/25
    Citation
    18/25

    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
    Text ratio:4%
    Words:1,649
    Token eff.:Optimal
    Sections/1K:13.9

    Structured Data

    4 JSON-LD
    Person×1.3Organization×1.1Product

    Citation Readiness

    Opening Summary48w
    Descriptive Headingsavg 4.9w
    Canonical URL
    Open Graph3/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (8)
    AI readiness recommendation preview...
    Upgrade to view recommendations

    Sponsored

    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.
    B
    76/100
    12
    Passed
    5
    Critical
    0
    Warnings
    Images & Alt Text
    13/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    18/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    15/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    14/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    7/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    9/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 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.
    32/100
    E
    280 mg
    CO₂e / view
    2.2 MB
    Page Weight
    50%
    Cleaner Than
    New Visitor
    320 mg
    vs
    Returning (cached)
    160 mg
    Annual (10K/mo)
    33.6 kg
    Emission Segments
    Data Center
    63 mg
    Network
    67 mg
    Device
    150 mg
    Resource Breakdown
    JavaScript
    1.4 MB
    Images
    756.6 KB
    CSS
    40.3 KB
    Fonts
    6.4 KB
    HTML
    48.9 KB
    Other
    2.1 KB
    Green Hosting Not Verified
    Mastertel
    7 recommendations
    • •Carbon footprint recommendation preview...
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    A

    Security Score

    86%Very Good
    Static / Informational

    HTTPS

    No WAF

    43d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (3072 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    16.04.2026

    Valid Until

    15.07.2026

    Subject Alternative Names (2)

    *.4dk.ru4dk.ru

    SHA-256 Fingerprint

    62:EA:38:85:3A:C4:BD:54:02:30:16:6D:58:CE:A2:C9:BF:CD:58:5C...

    Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html;charset=utf-8
    date
    Mon, 01 Jun 2026 08:11:58 GMT
    server
    Angie/1.11.5
    strict-transport-security
    max-age=63072000; includeSubDomains; preload
    x-frame-options
    DENY
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    70

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (1)

    mx.4dk.ru

    Domain Information

    4dk.ru

    Domain Age
    20y 4m

    Created

    25.01.2006

    Expires

    25.01.2027

    Registrar

    REGRU-RU

    DNSSEC
    Not Enabled

    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.
    A
    82/100
    Mobile Friendly2 breakpoints
    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
    1 recommendation
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    Open Sans

    WCAG Partial
    74/100
    Readability
    /30
    24/30

    16px · LH 1.50

    Hierarchy
    /20
    18/20

    4x ratio

    WCAG
    /25
    16/25

    3.21:1 min contrast

    Performance
    /25
    16/25

    1 font · 8 req

    Heading Font

    Open Sans

    Sans64px

    Body Font

    Open Sans

    Sans16px

    Contrast Ratio

    3.21:1

    18 issues

    Reading Comfort

    ~39 CPL

    Narrow lines
    64px
    h1
    32px
    h2
    24px
    h3
    16px
    p

    ✅ Excellent readability: 16px body text is ideal for all devices.

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

    ⚠️ Partial contrast: 18 elements below WCAG AA threshold (min 3.2:1).

    ⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 4.0x larger than body text.

    ✅ Lean font stack: 1 font families keeps load times fast.

    GGoogle Fonts

    Color Palette

    5 unique colors
    Light
    #012851
    Accent· 54.5%
    #043464
    Primary· 28.900000000000002%
    #f1f7fc
    Primary· 6.4%
    #385b86
    Secondary· 6%
    #b5c6cb
    Secondary· 4.2%

    Business & Marketing Stack

    1 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    1

    Categories

    1

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    19 Resources

    9
    Scripts
    10
    Styles
    6
    Async
    0
    Defer

    Top Script Sources

    mod.calltouch.ru(2)mc.yandex.ru(2)ab-ct.ru(1)api.mindbox.ru(1)local(1)

    Website Identity

    Что Делать Консалт

    Что Делать Консалт

    Organization

    Справочная правовая система, которая дает безопасное решение, но не умалчивает об альтернативных. Здесь работа с законами - не препятствие, а новые перспективы.

    +74951540654
    www.4dk.ru
    20 years old

    ул. Мишина, д. 56, Москва

    127083, Москва, Москва

    RU

    Location detected: 🇷🇺 Russia, Москваvia schema_nap
    REGRU-RUru

    Social Profiles

    Telegram

    Sponsored

    Last analyzed: 01 Jun 2026 at 08:12

    Historical Analysis & Change Tracking

    4dk.ru Technology Stack - Built With Nuxt.js, Swiper, Tailwind CSS, Google Fonts | StackOptic | StackOptic