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knvb.nl

https://knvb.nl· First analyzed 27 Apr 2026· Updated 27 Apr 2026
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knvb.nl
Desktop screenshot of knvb.nl
Mobile screenshot of knvb.nl
Mobile

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Hosting Provider

A2B IP B.V

IP Address

31.134.203.159

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇳🇱 Amsterdam, Netherlands

ASN

AS51088

Organization

A2B IP B.V

Server

webserver

Nameservers

ns1.oxilion.nl.ns2.oxilion.nl.ns3.oxilion.net.

Performance

98

Core Web Vitals

Weight

First Contentful Paint
870 ms10%
Speed Index
1.1 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
68 KB
72 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
A2B IP B.V

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

6 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Microsoft Clarity

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Advertising

1
TikTok Pixel

SEO Analysis

D55/100
15
7
3
Meta Tags9/15
Content11/12
Headings3/8
Technical12/21
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
K
knvb.nlknvb.nl

KNVB.nl: De officiële website van de Koninklijke Nederlandse Voetba...

Met het laatste nieuws vanuit het amateur- en betaald voetbal. Biedt ondersteuning aan vrijwilligers op het kennisplatform KNVB Assist.

Title truncated.
Title Length79 chars

Recommended: 50-60 chars (~464px / 580px)

Description Length135 chars

Recommended: 120-160 chars

Issues (3)

  • • Title is too long (79 chars, ~464px). Will be truncated in search results.
  • • Missing H1 tag — every page should have exactly one H1
  • • Most images missing alt text (78/94) — critical for accessibility and SEO

10 issues found

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Local SEO

Local Search Readiness

3/100
Poor
1 14 2

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

F35/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
0/25
Citation
8/25

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:6%
Words:1,827
Token eff.:Optimal
Sections/1K:4.4

Structured Data

No Schema

Citation Readiness

Opening Summary13w
Descriptive Headingsavg 1.8w
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (12)
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.
D
58/100
7
Passed
7
Critical
1
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
4/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
10/15
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
3/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
5 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.
52/100
A+
8 mg
CO₂e / view
68.1 KB
Page Weight
95%
Cleaner Than
New Visitor
10 mg
vs
Returning (cached)
5 mg
Annual (10K/mo)
1.0 kg
Emission Segments
Data Center
2 mg
Network
2 mg
Device
5 mg
Resource Breakdown
Images
3.9 KB
CSS
31.5 KB
HTML
32.7 KB
Green Hosting Not Verified
A2B IP B.V
5 recommendations
  • •Carbon footprint recommendation preview...
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C

Security Score

61%Fair
Interactive

HTTPS

No WAF

171d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

31.03.2026

Valid Until

15.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.knvb.nlknvb.nl

SHA-256 Fingerprint

F7:0C:7D:59:EE:8A:DB:CD:0C:AF:9A:A5:BA:4C:09:86:EA:BC:74:87...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-cache, must-revalidate)
content-encoding
📦 Gzip(gzip)
content-language
nl
content-type
text/html; charset=utf-8
date
Mon, 27 Apr 2026 22:05:02 GMT
expires
Sun, 19 Nov 1978 05:00:00 GMT
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

95

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

knvb-nl.mail.protection.outlook.com

Domain Information

knvb.nl

Domain Age
29y 1m

Created

21.03.1997

Last Updated

12.12.2025

Registrar

Registrar.eu

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

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
74/100
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
1 recommendation
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

-apple-system + Helvetica

WCAG Partial
54/100
Readability
/30
18/30

17px · LH 1.38

Hierarchy
/20
7/20
WCAG
/25
16/25

1:1 min contrast

Performance
/25
13/25

System fonts

Heading Font

-apple-system

Sans

Body Font

Helvetica

Sans17px

Contrast Ratio

1:1

11 issues

Reading Comfort

~32 CPL

Narrow lines
24px
h2
32px
h3
16px
h4
17px
p

✅ Excellent readability: 17px body text is ideal for all devices.

⚠️ Tight line spacing (1.38). Increase to 1.4–1.6 for better readability.

❌ Very complex text: Flesch score 14/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 15

Color Palette

8 unique colors
7:1 AAA Light
#ffffff
Background· 27.199999999999996%
#595959
Other· 24.799999999999997%
#253780
Primary· 0%
#030406
Secondary· 22%
#071d21
Accent· 10.8%
#2c1f1e
Secondary· 5.2%
#203c32
Primary· 3.1%
#bea093
Secondary· 2.8%

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

3
Google Tag ManagerFree
Google AnalyticsFree
Microsoft ClarityFree

User behavior and product analytics

Advertising

1
TikTok PixelMid-Market

Ad platforms and retargeting pixels

2

Categories

4

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

22 Resources

20
Scripts
2
Styles
19
Async
0
Defer

Top Script Sources

cdn.consentmanager.net(4)analytics.tiktok.com(3)googletagmanager.com(3)c.delivery.consentmanager.net(3)clarity.ms(2)

Website Identity

knvb.nl

29 years old
Location detected: 🇳🇱 Netherlandsvia tld
Registrar.eu📧 Microsoft 365

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Last analyzed: 27 Apr 2026 at 22:05

Historical Analysis & Change Tracking