alarmeringen.nl

https://alarmeringen.nl· First analyzed 16 May 2026· Updated 16 May 2026

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alarmeringen.nl

Mobile

Sponsored

Hosting Provider

Akamai

IP Address

2.21.239.33

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS20940

Organization

Akamai

Nameservers

usc2.akam.net.use2.akam.net.eur5.akam.net.ns1-125.akam.net.+4 more

Performance

Core Web Vitals

Weight

First Contentful Paint

1.2 s10%

Speed Index

1.6 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.2 MB

64 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

Akamai

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

8 Technologies Detected

CSS Frameworks

Analytics

Libraries

Other

Fonts

Tag Managers

SEO Analysis

C66/100

Meta Tags14/15

Content12/12

Headings7/8

Technical16/21

E-E-A-T2/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile1/4

Indexability3/3

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Title Length40 chars

Recommended: 50-60 chars (~233px / 580px)

Description Length146 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (1/1) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Local SEO

Local Search Readiness

16/100

Poor

4 12 1

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.

10/25

Schema Data

6/25

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

code blocksnav

Text ratio:13%

Words:1,083

Token eff.:Optimal

Sections/1K:18.5

Depth:2/5

Structured Data

2 JSON-LD

Organization×1.1WebSiteSearchAction

Citation Readiness

Opening Summary604w

Descriptive Headingsavg 5.8w

Canonical URL

Open Graph0/3

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.

52/100

Passed

Critical

Warnings

Images & Alt Text

5/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

10/20

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

9/15

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.

4 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.

61/100

128 mg

CO₂e / view

1.2 MB

Page Weight

70%

Cleaner Than

New Visitor

146 mg

Returning (cached)

73 mg

Annual (10K/mo)

15.3 kg

Emission Segments

Data Center

6 mg

Network

38 mg

Device

84 mg

Resource Breakdown

JavaScript

275.4 KB

Images

3.2 KB

CSS

972.1 KB

HTML

13.5 KB

Other

315 B

Green Hosting Verified

Cloudflare

GWF Verified

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

66%Fair

Interactive

HTTPS

No WAF

61d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

17.04.2026

Valid Until

16.07.2026

Subject Alternative Names (1)

alarmeringen.nl

SHA-256 Fingerprint

BC:D5:80:CF:38:4F:53:E1:3D:BF:58:BC:BE:74:E2:90:B6:F3:66:0E...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=93600

cache-control

🔴 No Cache(max-age=0, no-cache, no-store, no-store)

content-encoding

📦 Gzip(gzip)

content-length

2394

content-security-policy

frame-ancestors 'none';

content-type

text/html

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

alt1.aspmx.l.google.com

aspmx3.googlemail.com

aspmx.l.google.com

alt2.aspmx.l.google.com

+1 more

Domain Information

alarmeringen.nl

Domain Age

22y 2m

Created

25.02.2004

Last Updated

03.02.2026

Registrar

Registrar.eu

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

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.

67/100

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

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Helvetica Neue + Open Sans

WCAG Partial

61/100

Readability

/30

19/30

14px · LH 1.70

Hierarchy

/20

14/20

1.71x ratio · ✓ H1→H6

WCAG

/25

15/25

1:1 min contrast

Performance

/25

13/25

System fonts

Heading Font

Helvetica Neue

Sans24px

Body Font

Open Sans

Sans14px

Contrast Ratio

1:1

17 issues

Reading Comfort

~43 CPL

Narrow lines

24px

29px

14px

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

⚠️ Hard to read: Flesch score 36/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 17 elements below WCAG AA threshold (min 1.0:1).

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

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

Flesch 36

Color Palette

6 unique colors

6.64:1 AA Light

#eeeeee

Background· 42.5%

#565253

Text· 32.3%

#ffffff

Primary· 0%

#846152

Secondary· 7.5%

#bfb0a6

Secondary· 2.8%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Social Media

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)advertising-cdn.dpgmedia.cloud(5)googletagmanager.com(2)cdn.onesignal.com(2)sp.dpgmedia.net(1)

Website Identity

alarmeringen.nl

22 years old

Location detected: 🇳🇱 Netherlandsvia tld

Registrar.eu📧 Google Workspace

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Last analyzed: 16 May 2026 at 03:22

Historical Analysis & Change Tracking