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danubealert.com

https://danubealert.com· First analyzed 04 Jun 2026· Updated 04 Jun 2026
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danubealert.com
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Mobile screenshot of danubealert.com
Mobile

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Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.21.49.162

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

jasmine.ns.cloudflare.com.miguel.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
337 ms10%
Speed Index
438 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
21 KB
8 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Cloudflare
CDN
Cloudflare

Technology Stack

7 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Other

1
Leaflet

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

CDN

1
Cloudflare

Customer Support

1
Zendesk

SEO Analysis

B75/100
24
3
0
Meta Tags13/15
Content11/12
Headings8/8
Technical22/25
E-E-A-T0/7
Images0/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile3/4
Indexability3/3
D
danubealert.comdanubealert.com

Danube Levels - Water Level | Danube Water Level | Danube Alert

Monitor Danube water levels and Danube River levels in real time. Real-time hydrological data, flood forecasting and hydrometric stations. Set custom alerts ...

Description truncated.
Title Length63 chars

Recommended: 50-60 chars (~383px / 580px)

Description Length185 chars

Recommended: 120-160 chars

Issues (0)

    3 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    6,622 URLs

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    14/100
    Poor
    4 13 1

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

    Sponsored

    AI & LLM Readiness

    D52/100
    Bot Access
    20/25
    Machine Read.
    14/25
    Schema Data
    2/25
    Citation
    16/25

    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:11%
    Words:3,166
    Token eff.:Good
    Sections/1K:3.8

    Structured Data

    2 JSON-LD
    WebSite

    Citation Readiness

    Opening Summary43w
    Descriptive Headingsavg 7.8w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    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
    70/100
    7
    Passed
    4
    Critical
    1
    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
    12/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    12/15
    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
    1/15
    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.
    66/100
    A+
    2 mg
    CO₂e / view
    21.4 KB
    Page Weight
    95%
    Cleaner Than
    New Visitor
    3 mg
    vs
    Returning (cached)
    1 mg
    Annual (10K/mo)
    264 g
    Emission Segments
    Data Center
    <0.001 g
    Network
    <0.001 g
    Device
    1 mg
    Resource Breakdown
    HTML
    21.4 KB
    Green Hosting Verified
    Cloudflare
    GWF Verified
    4 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A+

    Security Score

    91%Excellent
    Static / Informational

    HTTPS

    WAF

    68d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Google Trust Services

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-256

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2+H3

    Valid From

    14.05.2026

    Valid Until

    12.08.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    danubealert.com*.danubealert.com

    SHA-256 Fingerprint

    63:34:2F:2E:B1:FF:53:83:A6:85:E9:59:F1:42:64:9E:77:24:07:FD...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    alt-svc
    h3=":443"; ma=86400
    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate)
    cf-cache-status
    DYNAMIC
    cf-ray🇮🇹 Milan
    a068d1e4c8cfed16-MXP
    content-encoding
    zstd
    content-type
    text/html; charset=UTF-8
    Good Warning Issue

    Email Infrastructure

    Namecheap Email

    Score

    90

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (2)

    mx1.privateemail.com
    mx2.privateemail.com

    Domain Information

    danubealert.com

    Domain Age
    1y 8m

    Created

    23.09.2024

    Expires

    23.09.2029

    Last Updated

    13.10.2024

    Registrar

    PDR Ltd. d/b/a PublicDomainRegistry.com

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Privacy policy page linked

    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
    73/100
    Mobile Friendly5 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=1.0
    2 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Times New Roman

    WCAG Partial
    68/100
    Readability
    /30
    20/30

    16px · LH --

    Hierarchy
    /20
    18/20

    2x ratio · ✓ H1→H6

    WCAG
    /25
    16/25

    1:1 min contrast

    Performance
    /25
    14/25

    1 font

    Heading Font

    Times New Roman

    Serif32px

    Body Font

    Times New Roman

    Serif16px

    Contrast Ratio

    1:1

    5 issues

    Reading Comfort

    ~40 CPL

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

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

    ❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

    ⚠️ Partial contrast: 5 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 2.0x larger than body text.

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

    Buy on MyFontsFlesch 0

    Color Palette

    5 unique colors
    6.08:1 AA Light
    #ffffff
    Background· 90.5%
    #5d6369
    Other· 1.5%
    #2d99da
    Primary· 6.3%
    #a5c1d1
    Secondary· 1.5%
    #d2e4ed
    Secondary· 0.3%

    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

    7 Resources

    2
    Scripts
    5
    Styles
    1
    Async
    1
    Defer

    Top Script Sources

    local(1)googletagmanager.com(1)

    Website Identity

    Danube Water Level | Danube Alert

    Monitor Danube water levels and Danube River levels in real time. Real-time hydrological data, flood forecasting and hydrometric stations. Set custom alerts for cities along the Danube.

    1 year old
    Location detected: 🇨🇦 Canadavia ip
    PDR Ltd. d/b/a PublicDomainRegistry.com📧 Namecheap Emailen

    Social Profiles

    Telegram

    Sponsored

    Last analyzed: 04 Jun 2026 at 17:57

    Historical Analysis & Change Tracking