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prazdrojvisit.cz

https://prazdrojvisit.cz· First analyzed 31 May 2026· Updated 31 May 2026
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prazdrojvisit.cz
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Mobile

Sponsored

Hosting Provider

JON Cust BK Dynamic

IP Address

188.75.165.88

Site Location

🇨🇿 Czech Republicvia tld

Server Location

🇨🇿 Prague, Czechia

ASN

AS196735

Organization

JON Cust BK Dynamic

Server

Nginx

Nameservers

ns.vshosting.eu.ns.vshosting.cloud.ns.vshosting.cz.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
750 ms10%
Speed Index
975 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
4.2 MB
95 requests

Image Optimization

Lazy LoadWebPResponsiveVercel Image Optimization
0–49
50–89
90–100

Architecture Stack

Hybrid
🔀 Hybrid
Frontend
Framework
Next.js
Infrastructure
Hosting
JON Cust BK Dynamic
CDN
Vercel Image

Technology Stack

7 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Facebook Pixel

Meta Frameworks

1
Next.js

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Web Servers

1
Nginxv1.29.1

SEO Analysis

B77/100
24
5
0
Meta Tags12/15
Content10/12
Headings8/8
Technical19/25
E-E-A-T0/7
Images7/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile4/4
Indexability3/3
P
prazdrojvisit.czprazdrojvisit.cz

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Title Length42 chars

Recommended: 50-60 chars (~254px / 580px)

Description Length91 chars

Recommended: 120-160 chars

Issues (0)

    5 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    52 URLs

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    15/100
    Poor
    5 11 2

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

    Sponsored

    AI & LLM Readiness

    D45/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    0/25
    Citation
    13/25

    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.txtinvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:3%
    Words:2,793
    Token eff.:Optimal

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary136w
    Descriptive Headings
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    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.
    A
    88/100
    14
    Passed
    1
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    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
    15/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    11/15
    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.
    1 recommendation
    • •Accessibility recommendation preview...
    Upgrade to view recommendations

    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.
    29/100
    F
    526 mg
    CO₂e / view
    4.2 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    601 mg
    vs
    Returning (cached)
    300 mg
    Annual (10K/mo)
    63.1 kg
    Emission Segments
    Data Center
    117 mg
    Network
    126 mg
    Device
    282 mg
    Resource Breakdown
    JavaScript
    414.3 KB
    Images
    3.2 MB
    CSS
    318.1 KB
    Fonts
    78.0 KB
    HTML
    93.9 KB
    Other
    110.2 KB
    Green Hosting Not Verified
    JON Cust BK Dynamic
    6 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    D

    Security Score

    41%Poor
    Interactive

    HTTPS

    No WAF

    35d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    07.04.2026

    Valid Until

    06.07.2026

    Subject Alternative Names (2)

    prazdrojvisit.czwww.prazdrojvisit.cz

    SHA-256 Fingerprint

    FB:AA:A9:EC:4D:EA:78:04:B8:A2:95:11:9B:76:98:60:10:A8:50:1F...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    access-control-allow-headers
    DNT,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since...
    access-control-allow-methods
    GET, POST, OPTIONS
    access-control-expose-headers
    Content-Length,Content-Range
    cache-control
    🔴 No Cache(private, no-cache, no-store, max-age=0, must-revalidate)
    content-encoding
    📦 Gzip(gzip)
    content-security-policy
    upgrade-insecure-requests
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    45

    SPF
    DKIM
    DMARC

    MX Records (2)

    mx.vshosting.cloud
    mx.vshosting.eu

    Domain Information

    prazdrojvisit.cz

    Domain Age
    15y 11m

    Created

    18.06.2010

    Expires

    17.06.2026

    Last Updated

    06.06.2017

    Registrar

    REG-WEBGLOBE

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    Privacy policy page linked
    Data Protection Officer mentioned
    Legitimate interest basis mentioned

    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.
    B
    78/100
    Mobile Friendly25 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...
    Upgrade to view recommendations

    Typography & Readability

    Roboto

    WCAG Partial
    75/100
    Readability
    /30
    22/30

    16px · LH 1.63

    Hierarchy
    /20
    20/20

    3.44x ratio · ✓ H1→H6

    WCAG
    /25
    13/25

    1:1 min contrast

    Performance
    /25
    20/25

    System fonts

    Heading Font

    Roboto

    Sans55px

    Body Font

    Roboto

    Sans16px

    Contrast Ratio

    1:1

    3 issues

    Reading Comfort

    ~34 CPL

    Narrow lines
    55px
    h1
    40px
    h2
    16px
    p

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

    ⚠️ Hard to read: Flesch score 46/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 1.0:1).

    ✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

    ✅ Strong hierarchy: Headlines are 3.4x larger than body text.

    ⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

    Fluid TypeFlesch 46

    Color Palette

    8 unique colors
    Light
    #ffffff
    Background· 50.99999999999999%
    #000404
    Background· 17.299999999999997%
    #463c29
    Secondary· 5.9%
    #dad5cd
    Border· 5.1%
    #9a8d7c
    Secondary· 4.9%
    #251f10
    Primary· 4.4%

    Business & Marketing Stack

    4 Tools Detected

    Advanced

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    Advertising

    1
    Facebook PixelMid-Market

    Ad platforms and retargeting pixels

    Privacy & Cookies

    1
    CookiebotMid-Market

    Cookie consent and privacy compliance tools

    3

    Categories

    4

    Total Tools

    0

    Enterprise

    2

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    24 Resources

    15
    Scripts
    9
    Styles
    10
    Async
    0
    Defer

    Top Script Sources

    local(6)googletagmanager.com(3)consent.cookiebot.com(2)app.advisio.cz(2)connect.facebook.net(1)

    Website Identity

    prazdrojvisit.cz

    15 years old
    Location detected: 🇨🇿 Czech Republicvia tld
    REG-WEBGLOBEcs

    Social Profiles

    FacebookInstagram

    Sponsored

    Last analyzed: 31 May 2026 at 18:09

    Historical Analysis & Change Tracking

    prazdrojvisit.cz Technology Stack - Built With Next.js, Tailwind CSS, Google Analytics, Google Analytics 4, Google Tag Manager | StackOptic | StackOptic