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obi.cz

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

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Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

99.84.152.51

Site Location

🇨🇿 Czech Republicvia tld

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

CloudFront

CDN

CloudFront

Nameservers

ns02.cancom-mase.net.ns03.cancom-mase.org.ns04.cancom-mase.de.ns01.cancom-mase.com.+1 more

Performance

81

Core Web Vitals

Weight

First Contentful Paint
2.1 s10%
Speed Index
2.7 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
10.1 MB
250 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Platform
AWS CloudFront
CDN
CloudFront

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

9 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Hotjar

Meta Frameworks

1
Nuxt.js

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Advertising

1
Microsoft Advertising

CDN

1
Amazon CloudFront

Libraries

1
Swiper

SEO Analysis

C68/100
20
9
0
Meta Tags5/15
Content8/12
Headings6/8
Technical25/25
E-E-A-T2/7
Images3/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile3/4
Indexability3/3
O
obi.czobi.cz

OBI Česká republika

BOBŘÍ BONUSOVÉ TÝDNY

Title Length19 chars

Recommended: 50-60 chars (~114px / 580px)

Description Length20 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    10 URLs

    10 sub-sitemaps

    robots.txt

    23 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    26/100
    Needs Work
    7 12

    Sponsored

    AI & LLM Readiness

    D45/100
    Bot Access
    20/25
    Machine Read.
    8/25
    Schema Data
    5/25
    Citation
    12/25

    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
    nav
    Text ratio:2%
    Words:1,806
    Token eff.:Optimal
    Depth:1/5

    Structured Data

    2 JSON-LD
    Person×1.3(min)Organization×1.1
    sameAs entity links

    Citation Readiness

    Opening Summary18w
    Descriptive Headingsavg 4.2w
    Canonical URL
    Open Graph3/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (12)
    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+
    93/100
    16
    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
    15/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    10/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

    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.
    49/100
    F
    1.05 g
    CO₂e / view
    10.1 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    1.20 g
    vs
    Returning (cached)
    598 mg
    Annual (10K/mo)
    125.5 kg
    Emission Segments
    Data Center
    51 mg
    Network
    307 mg
    Device
    687 mg
    Resource Breakdown
    JavaScript
    546.9 KB
    Images
    9.4 MB
    CSS
    47.5 KB
    HTML
    54.8 KB
    Other
    59.4 KB
    Green Hosting Verified
    Amazon Web Services (AWS)
    Provider Match
    6 recommendations
    • •Carbon footprint recommendation preview...
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    D

    Security Score

    56%Poor
    Interactive

    HTTPS

    No WAF

    291d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Amazon

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2+H3

    Valid From

    18.02.2026

    Valid Until

    18.03.2027

    OCSP Stapling

    Enabled

    Subject Alternative Names (1)

    www.obi.cz

    SHA-256 Fingerprint

    C8:10:3B:65:08:AB:83:41:AC:B0:53:4F:20:E6:9D:F1:E4:BA:41:74...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    age
    17
    alt-svc
    h3=":443"; ma=86400
    cache-control
    🟡 60s(max-age=60, stale-while-revalidate=300, stale-if-error=3600)
    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html; charset=utf-8
    date
    Sun, 31 May 2026 19:29:51 GMT
    Good Warning Issue

    Email Infrastructure

    Google Workspace

    Score

    100

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (5)

    aspmx.l.google.com
    alt3.aspmx.l.google.com
    alt2.aspmx.l.google.com
    alt1.aspmx.l.google.com

    +1 more

    Domain Information

    obi.cz

    Domain Age
    26y 4m

    Created

    04.02.2000

    Expires

    02.02.2027

    Last Updated

    24.11.2025

    Registrar

    REG-1API

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    Privacy policy page linked
    Data Protection Officer 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.
    A
    83/100
    Mobile Friendly48 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

    Apple Color Emoji + Roboto

    WCAG Partial
    59/100
    Readability
    /30
    18/30

    14px · LH 1.57

    Hierarchy
    /20
    10/20

    1.14x ratio

    WCAG
    /25
    16/25

    3.1:1 min contrast

    Performance
    /25
    15/25

    System fonts

    Heading Font

    Apple Color Emoji

    Sans16px

    Body Font

    Roboto

    Sans14px

    Contrast Ratio

    3.1:1

    3 issues

    Reading Comfort

    ~39 CPL

    Narrow lines
    16px
    h1
    16px
    h2
    24px
    h3
    14px
    p
    Major Third
    Scale

    ⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

    ✅ Optimal line spacing: 1.57 ratio (ideal range 1.4–1.6).

    ⚠️ Hard to read: Flesch score 44/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 3.1:1).

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

    ⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

    Buy on MyFontsFlesch 44

    Color Palette

    5 unique colors
    12.63:1 AAA Light
    #ffffff
    Background· 41.5%
    #333333
    Text· 37.49999999999999%
    #241004
    Primary· 10.2%

    Business & Marketing Stack

    3 Tools Detected

    Advanced

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    A/B Testing & Optimization

    1
    KameleoonEnterprise

    Experimentation and conversion optimization

    2

    Categories

    3

    Total Tools

    1

    Enterprise

    0

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    30 Resources

    20
    Scripts
    10
    Styles
    6
    Async
    3
    Defer

    Top Script Sources

    local(7)assets.obi.de(5)assets.obi.cz(4)googletagmanager.com(1)eum.instana.io(1)

    Website Identity

    OBI

    OBI

    Organization

    BOBŘÍ BONUSOVÉ TÝDNY

    277001004
    www.obi.cz
    26 years old
    Location detected: 🇨🇿 Czech Republicvia tld
    REG-1API📧 Google Workspacecs-CZ

    Social Profiles

    Instagram

    Sponsored

    Last analyzed: 31 May 2026 at 19:30

    Historical Analysis & Change Tracking