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zwartecross.nl

https://zwartecross.nl· First analyzed 22 May 2026· Updated 22 May 2026
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zwartecross.nl
Desktop screenshot of zwartecross.nl
Mobile screenshot of zwartecross.nl
Mobile

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Hosting Provider

cloudflare.com

IP Address

104.26.13.243

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

carl.ns.cloudflare.com.brit.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
592 ms10%
Speed Index
770 ms10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.9 MB
56 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv6.4.8
cms
Fuze framework - Zwarte Crossv2.8Custom
by ebbersmedia.nl

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

11 Technologies Detected

SEO Analysis

C68/100
21
7
1
Meta Tags8/15
Content9/12
Headings8/8
Technical18/25
E-E-A-T5/7
Images3/7
Links2/5
URL5/5
Social3/5
Freshness0/4
Mobile4/4
Indexability3/3
Z
zwartecross.nlzwartecross.nl

Home | Zwarte Cross

Een festival met muziek, motorcross, stunts, humor, theater en spektakel. In 2026 zal het festival plaatsvinden op 16-17-18-19 juli 2026. Tickets zijn nu ver...

Description truncated.
Title Length19 chars

Recommended: 50-60 chars (~121px / 580px)

Description Length167 chars

Recommended: 120-160 chars

Issues (1)

  • Most images missing alt text (148/149) — critical for accessibility and SEO

Crawlability

Sitemap

Type: index

192 URLs

192 sub-sitemaps

robots.txt

5 rules

Local SEO

Local Search Readiness

12/100
Poor
3 13 1

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

D44/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
2/25
Citation
9/25

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
navheader/footer
Text ratio:2%
Words:304
Token eff.:Optimal
Sections/1K:32.9
Depth:2/5

Structured Data

Microdata
Organization×1.1microdata

Citation Readiness

Opening Summary184w
Descriptive Headingsavg 3.1w
Canonical URL
Open Graph3/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
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.
B
70/100
12
Passed
3
Critical
0
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
17/20
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
9/15
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.
3 recommendations
  • Accessibility recommendation preview...

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.
59/100
C
200 mg
CO₂e / view
1.9 MB
Page Weight
50%
Cleaner Than
New Visitor
228 mg
vs
Returning (cached)
114 mg
Annual (10K/mo)
24.0 kg
Emission Segments
Data Center
10 mg
Network
59 mg
Device
131 mg
Resource Breakdown
JavaScript
163.9 KB
Images
761.1 KB
CSS
1.0 MB
HTML
10.8 KB
Green Hosting Verified
Cloudflare
GWF Verified
4 recommendations
  • Carbon footprint recommendation preview...
A

Security Score

86%Very Good
Static / Informational

HTTPS

WAF

42d

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

04.04.2026

Valid Until

03.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

zwartecross.nl*.zwartecross.nl

SHA-256 Fingerprint

F1:F0:32:63:6C:D2:1A:74:30:1A:C9:64:D0:C1:51:93:5E:B0:E1:A1...

Recommendations

Security recommendation preview

HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=86400
cache-control
🔴 No Cache(max-age=3600, public, no-store)
cf-cache-status
EXPIRED
cf-ray🇫🇷 Paris
9ff7fe002e633c8f-CDG
content-encoding
Brotli(br)
content-type
text/html; charset=UTF-8
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

93

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

zwartecross-nl.mail.protection.outlook.com

Domain Information

zwartecross.nl

Domain Age
25y 8m

Created

12.09.2000

Last Updated

23.09.2025

Registrar

Gandi

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

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.
C
64/100
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=1.0,maximum-scale=1.0
3 recommendations
  • Mobile compatibility recommendation preview...

Typography & Readability

Tahoma + arial

WCAG Partial
67/100
Readability
/30
24/30

22px · LH 1.45

Hierarchy
/20
18/20

6.82x ratio · ✓ H1→H6

WCAG
/25
13/25

1:1 min contrast

Performance
/25
12/25

System fonts

Heading Font

Tahoma

Sans150px

Body Font

arial

Sans22px

Contrast Ratio

1:1

23 issues

Reading Comfort

Dual Sans-Serif

left aligned
150px
h1
150px
h2
22px
p
Minor Second
Scale

✅ Excellent readability: 22px body text is ideal for all devices.

✅ Optimal line spacing: 1.45 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 48/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 23 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 6.8x larger than body text.

Color Palette

8 unique colors
Dark
#111111
Primary· 22.6%
#dd1b6c
Accent· 38.400000000000006%
#432b2b
Secondary· 8%
#e7d983
Accent· 7.2%
#6e5f79
Secondary· 6.6%
#8a2f3d
Secondary· 6.2%
#c0a087
Secondary· 6.2%
#a5685f
Secondary· 4.8%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2

User behavior and product analytics

Privacy & Cookies

1

Cookie consent and privacy compliance tools

2

Categories

3

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

23 Resources

16
Scripts
7
Styles
5
Async
2
Defer

Top Script Sources

zwartecross.nl(6)sst.zwartecross.nl(3)static.queue-it.net(2)consent.cookiebot.com(1)s3-us-west-2.amazonaws.com(1)

Website Identity

zwartecross.nl

25 years old
Location detected: 🇳🇱 Netherlandsvia tld
Gandi📧 Microsoft 365

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Last analyzed: 22 May 2026 at 01:20

Historical Analysis & Change Tracking