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lareb.nl

https://lareb.nl· First analyzed 07 May 2026· Updated 07 May 2026
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lareb.nl
Desktop screenshot of lareb.nl
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Mobile

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Hosting Provider

Fastly, Inc.

IP Address

151.101.2.132

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇨🇦 Montreal, Canada

ASN

AS54113

Organization

Fastly, Inc.

Server

Microsoft IIS

CDN

Fastly

Nameservers

ns3.argewebhosting.nl.ns2.argewebhosting.com.ns1.argewebhosting.eu.

Performance

99

Core Web Vitals

Weight

First Contentful Paint
785 ms10%
Speed Index
1.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.4 MB
52 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
Infrastructure
Hosting
Fastly, Inc.
CDN
Fastly

Technology Stack

9 Technologies Detected

CSS Frameworks

3
Bootstrap
Tailwind CSS
Semantic UI

Libraries

2
jQueryv3.6.3
jQuery UI

Analytics

2
Google Analytics
Matomo

Icon Libraries

1
Font Awesome

Web Servers

1
Microsoft IISv10.0

SEO Analysis

C63/100
15
9
0
Meta Tags12/15
Content12/12
Headings8/8
Technical11/21
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social2/5
Freshness0/4
Mobile3/4
Indexability3/3
L
lareb.nllareb.nl

Welkom bij Bijwerkingencentrum Lareb

Welkom bij Bijwerkingencentrum Lareb Het meld- en kenniscentrum voor bijwerkingen van geneesmiddelen, vaccins en gezondheidsproducten.

Title Length36 chars

Recommended: 50-60 chars (~225px / 580px)

Description Length135 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

    Upgrade to view details

    Local SEO

    Local Search Readiness

    7/100
    Poor
    2 14 2

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

    Sponsored

    AI & LLM Readiness

    F39/100
    Bot Access
    20/25
    Machine Read.
    11/25
    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
    navheader/footer
    Text ratio:5%
    Words:534
    Token eff.:Optimal
    Sections/1K:7.5
    Depth:2/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary11w
    Descriptive Headingsavg 2w
    Canonical URL
    Open Graph1/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (11)
    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
    12
    Passed
    3
    Critical
    2
    Warnings
    Images & Alt Text
    10/20
    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
    7/15
    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
    15/15
    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.
    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.
    55/100
    B
    143 mg
    CO₂e / view
    1.4 MB
    Page Weight
    60%
    Cleaner Than
    New Visitor
    163 mg
    vs
    Returning (cached)
    81 mg
    Annual (10K/mo)
    17.1 kg
    Emission Segments
    Data Center
    7 mg
    Network
    42 mg
    Device
    94 mg
    Resource Breakdown
    JavaScript
    224.0 KB
    Images
    120.9 KB
    CSS
    847.8 KB
    HTML
    10.8 KB
    Other
    207.8 KB
    Green Hosting Verified
    Fastly, Inc.
    Provider Match
    3 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A

    Security Score

    81%Very Good
    Interactive

    HTTPS

    No WAF

    41d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    19.03.2026

    Valid Until

    17.06.2026

    Subject Alternative Names (1)

    *.lareb.nl

    SHA-256 Fingerprint

    1E:32:61:3D:39:B9:85:AB:A7:59:AE:A0:89:04:3A:DF:17:CF:80:F6...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    cache-control
    🔴 No Cache(no-cache, no-store)
    content-encoding
    📦 Gzip(gzip)
    content-security-policy
    default-src 'self' https://lareb.containers.piwik.pro https:...
    content-type
    text/html; charset=utf-8
    date
    Thu, 07 May 2026 04:30:56 GMT
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    98

    SPF
    DKIM
    DMARC

    DMARC Policy

    Quarantine (Moderate)

    MX Records (1)

    lareb-nl.mail.protection.outlook.com

    Domain Information

    lareb.nl

    Domain Age
    29y 1m

    Created

    08.04.1997

    Last Updated

    06.02.2024

    Registrar

    Realtime Register

    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.
    D
    59/100
    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, minimum-scale=1, maximum-scale=1, user-scalable=no
    3 recommendations
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    MavenPro

    WCAG Partial
    58/100
    Readability
    /30
    23/30

    16px · LH 1.38

    Hierarchy
    /20
    10/20

    1.88x ratio

    WCAG
    /25
    10/25

    1.15:1 min contrast

    Performance
    /25
    15/25

    2 fonts · 3 req

    Heading Font

    MavenPro

    Sans30px

    Body Font

    MavenPro

    Sans16px

    Contrast Ratio

    1.15:1

    15 issues

    Reading Comfort

    ~31 CPL

    Narrow lines
    30px
    h1
    32px
    h2
    28px
    h3
    24px
    h4
    16px
    p

    ✅ Excellent readability: 16px 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 26/100. Consider shorter sentences and simpler words.

    ⚠️ Partial contrast: 15 elements below WCAG AA threshold (min 1.1:1).

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

    ❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

    Buy on MyFontsFlesch 26

    Color Palette

    8 unique colors
    2.27:1 Fail Light
    #9a968e
    Other· 8.7%
    #e3e2df
    Other· 5.9%
    #ded1c8
    Secondary· 22.699999999999996%
    #b6450f
    Accent· 12.7%
    #612e1a
    Accent· 11.6%
    #ccbdb0
    Secondary· 9.4%
    #d7986c
    Accent· 6.3%

    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

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    Scripts & Styles

    29 Resources

    20
    Scripts
    9
    Styles
    2
    Async
    2
    Defer

    Top Script Sources

    local(16)lareb.containers.piwik.pro(2)w19.captcha.at(2)

    Website Identity

    lareb.nl

    29 years old
    Location detected: 🇳🇱 Netherlandsvia tld
    Realtime Register📧 Microsoft 365nl-NL

    Sponsored

    Last analyzed: 07 May 2026 at 04:31

    Historical Analysis & Change Tracking

    lareb.nl Technology Stack - Built With jQuery, jQuery UI, Bootstrap, Tailwind CSS, Semantic UI | StackOptic | StackOptic