StackOptic
Back to Search
boekwinkeltjes.nl favicon

boekwinkeltjes.nl

https://boekwinkeltjes.nl· First analyzed 08 May 2026· Updated 08 May 2026
Export
boekwinkeltjes.nl
Desktop screenshot of boekwinkeltjes.nl
Mobile screenshot of boekwinkeltjes.nl
Mobile

Sponsored

Hosting Provider

Duocast

IP Address

83.137.149.80

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇳🇱 Blauwestad, Netherlands

ASN

AS31477

Organization

Duocast

Server

Apache

Nameservers

ns1.duocast.net.ns2.duocast.net.

Performance

100

Core Web Vitals

Weight

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

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Duocast

Technology Stack

11 Technologies Detected

Libraries

2
jQueryv3.3.1
jQuery UI

CSS Frameworks

2
Tailwind CSS
Normalize.css

Analytics

2
Google Analytics
Google Analytics 4

UI Components

1
Lightbox

Other

1
Modernizr

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Web Servers

1
Apachev2.4.67

SEO Analysis

A85/100
25
4
0
Meta Tags15/15
Content12/12
Headings8/8
Technical22/25
E-E-A-T3/7
Images4/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile4/4
Indexability3/3
B
boekwinkeltjes.nlboekwinkeltjes.nl

Boekwinkeltjes.nl - Koop en verkoop uw tweedehands boeken

Op boekwinkeltjes.nl koopt en verkoopt u uw tweedehands boeken. Zo’n 11200 antiquaren, boekhandelaren en particulieren verkopen 7,3 miljoen tweedehands boeken.

Title Length57 chars

Recommended: 50-60 chars (~353px / 580px)

Description Length159 chars

Recommended: 120-160 chars

Issues (0)

    4 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    368 URLs

    368 sub-sitemaps

    robots.txt

    3 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    8/100
    Poor
    2 13 2

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

    Sponsored

    AI & LLM Readiness

    D44/100
    Bot Access
    20/25
    Machine Read.
    8/25
    Schema Data
    0/25
    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.txt
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:8%
    Words:533
    Token eff.:Optimal
    Sections/1K:15

    Structured Data

    Microdata

    Citation Readiness

    Opening Summary47w
    Descriptive Headingsavg 1.5w
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (12)
    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.
    D
    53/100
    7
    Passed
    5
    Critical
    2
    Warnings
    Images & Alt Text
    15/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    11/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    2/15
    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
    1/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    3 recommendations
    • •Accessibility recommendation preview...
    Upgrade to view recommendations

    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.
    49/100
    A+
    38 mg
    CO₂e / view
    306.4 KB
    Page Weight
    90%
    Cleaner Than
    New Visitor
    43 mg
    vs
    Returning (cached)
    22 mg
    Annual (10K/mo)
    4.5 kg
    Emission Segments
    Data Center
    9 mg
    Network
    9 mg
    Device
    20 mg
    Resource Breakdown
    JavaScript
    138.9 KB
    Images
    32.7 KB
    CSS
    126.1 KB
    Fonts
    770 B
    HTML
    7.1 KB
    Other
    869 B
    Green Hosting Not Verified
    Duocast
    5 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    216d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Sectigo Limited

    Key Algorithm

    RSA (4096 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/1.1

    Valid From

    20.11.2025

    Valid Until

    10.12.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    *.boekwinkeltjes.nlboekwinkeltjes.nl

    SHA-256 Fingerprint

    44:79:91:B7:E3:72:56:BD:21:6C:47:46:FD:74:D3:16:00:CF:7E:8A...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🔴 No Cache(no-store, no-cache, must-revalidate)
    connection
    Keep-Alive
    content-encoding
    📦 Gzip(gzip)
    content-length
    7009
    content-type
    text/html; charset=UTF-8
    date
    Fri, 08 May 2026 13:20:38 GMT
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    50

    SPF
    DKIM
    DMARC

    MX Records (1)

    boekwinkeltjes-nl.mail.protection.outlook.com

    Domain Information

    boekwinkeltjes.nl

    Domain Age
    24y 4m

    Created

    20.12.2001

    Last Updated

    22.11.2023

    Registrar

    Duocast B.V.

    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
    57/100
    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
    3 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Arial

    WCAG AAA
    80/100
    Readability
    /30
    20/30

    14px · LH 1.30

    Hierarchy
    /20
    15/20

    1.75x ratio · ✓ H1→H6

    WCAG
    /25
    24/25

    8.21:1 min contrast

    Performance
    /25
    21/25

    System fonts

    Heading Font

    Arial

    Sans25px

    Body Font

    Arial

    Sans14px

    Contrast Ratio

    8.21:1

    WCAG AAA (≥7:1)

    Reading Comfort

    ~50 CPL

    Optimal (45–75)
    25px
    h1
    25px
    h2
    21px
    h3
    13px
    h4
    14px
    p

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

    ⚠️ Tight line spacing (1.30). Increase to 1.4–1.6 for better readability.

    ✅ Optimal line length: ~50 chars/line (ideal 45–75 CPL).

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

    ✅ WCAG AAA contrast: All text meets 7:1 ratio (min 8.2:1).

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

    GGoogle FontsFlesch 36

    Color Palette

    6 unique colors
    Light
    #ffffe7
    Background· 75.10000000000001%
    #ffcc33
    Primary· 9%
    #f8f4d1
    Accent· 5.9%
    #957060
    Secondary· 4.1%
    #ece0b0
    Accent· 3.1%
    #d7be77
    Accent· 2.8%

    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

    27 Resources

    17
    Scripts
    10
    Styles
    1
    Async
    0
    Defer

    Top Script Sources

    local(13)voordeligpartijtje.nl(1)boekenzoekdienst.nl(1)boekennieuws.nl(1)googletagmanager.com(1)

    Website Identity

    boekwinkeltjes.nl

    24 years old
    Location detected: 🇳🇱 Netherlandsvia tld
    Duocast B.V.📧 Microsoft 365nl

    Sponsored

    Last analyzed: 08 May 2026 at 13:20

    Historical Analysis & Change Tracking