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open-access.network

https://open-access.network· First analyzed 01 Jun 2026· Updated 01 Jun 2026
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open-access.network
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Mobile

Sponsored

Hosting Provider

GWDG

IP Address

134.76.163.19

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Brehme, Germany

ASN

AS207592

Organization

GWDG

Server

Apache

Nameservers

dns3.gwdg.de.dns1.gwdg.de.dns2.gwdg.de.

Performance

89

Core Web Vitals

Weight

First Contentful Paint
1.5 s10%
Speed Index
2.0 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3.7 MB
44 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Technology Stack

4 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Analytics

1
Matomo

Web Servers

1
Apachev2.4.66

Languages

1
PHPv8.3.30

SEO Analysis

A84/100
24
7
0
Meta Tags12/15
Content12/12
Headings8/8
Technical24/25
E-E-A-T3/7
Images3/7
Links5/5
URL5/5
Social3/5
Freshness2/4
Mobile4/4
Indexability3/3
O
open-access.networkopen-access.network

open-access.network Startseite

Das Informationsportal bietet Akteur*innen aus Wissenschaft, Bibliotheken und Verlagen Antworten auf die wichtigsten Fragen zu Open Access.

Title Length30 chars

Recommended: 50-60 chars (~184px / 580px)

Description Length139 chars

Recommended: 120-160 chars

Issues (0)

    7 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    1 URLs

    1 sub-sitemaps

    robots.txt

    2 rules

    Allows all crawlers

    Local SEO

    Local Search Readiness

    12/100
    Poor
    4 12 2

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

    Sponsored

    AI & LLM Readiness

    D54/100
    Bot Access
    20/25
    Machine Read.
    13/25
    Schema Data
    3/25
    Citation
    18/25

    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
    nav
    Text ratio:5%
    Words:743
    Token eff.:Optimal
    Sections/1K:24.2
    Depth:1/5

    Structured Data

    Microdata
    Article×1.2microdata

    Citation Readiness

    Opening Summary90w
    Descriptive Headingsavg 3.9w
    Canonical URL
    Open Graph2/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (8)
    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.
    A
    88/100
    15
    Passed
    2
    Critical
    0
    Warnings
    Images & Alt Text
    18/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    20/20
    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
    11/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    1 recommendation
    • •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.
    26/100
    F
    474 mg
    CO₂e / view
    3.7 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    542 mg
    vs
    Returning (cached)
    271 mg
    Annual (10K/mo)
    56.9 kg
    Emission Segments
    Data Center
    106 mg
    Network
    114 mg
    Device
    254 mg
    Resource Breakdown
    JavaScript
    1.9 MB
    Images
    1.4 MB
    CSS
    401.7 KB
    HTML
    16.8 KB
    Other
    300 B
    Green Hosting Not Verified
    GWDG
    7 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    B

    Security Score

    76%Good
    Static / Informational

    HTTPS

    No WAF

    55d

    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

    Valid From

    27.04.2026

    Valid Until

    26.07.2026

    Subject Alternative Names (15)

    master.open-access.netojs-de.netojs.open-access.netopen-access-days.deopen-access-tage.deopen-access.netopen-access.networkopenaccess-germany.de+7 more

    SHA-256 Fingerprint

    C0:AD:16:7B:E3:0D:67:79:4D:4E:FA:33:41:CB:77:44:E6:51:72:8C...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    access-control-allow-credentials
    true
    access-control-allow-headers
    X-Stream-Output, X-Chunked-Output, X-Content-Length, Content...
    access-control-allow-methods
    GET, HEAD, OPTIONS, POST, PUT, PATCH, DELETE
    access-control-allow-origin
    *
    access-control-expose-headers
    X-Stream-Output, X-Chunked-Output, X-Content-Length, Link
    cache-control
    🔴 No Cache(private, no-store)
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    50

    SPF
    DKIM
    DMARC

    MX Records (3)

    a1234.mx.srv.dfn.de
    c1234.mx.srv.dfn.de
    b1234.mx.srv.dfn.de

    Domain Information

    open-access.network

    Domain Age
    6y 7m

    Created

    10.10.2019

    Expires

    10.10.2026

    Last Updated

    15.09.2025

    Registrar

    Mesh Digital Limited

    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
    76/100
    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, shrink-to-fit=no

    Typography & Readability

    display-font + text-font

    WCAG AA
    69/100
    Readability
    /30
    24/30

    18px · LH 1.56

    Hierarchy
    /20
    15/20

    2x ratio · ✓ H1→H6

    WCAG
    /25
    17/25

    5.51:1 min contrast

    Performance
    /25
    13/25

    2 fonts · 5 req

    Heading Font

    display-font

    Sans36px

    Body Font

    text-font

    Sans18px

    Contrast Ratio

    5.51:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~35 CPL

    Narrow lines
    36px
    h1
    36px
    h2
    25px
    h3
    18px
    p

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.56 ratio (ideal range 1.4–1.6).

    ❌ Very complex text: Flesch score 6/100. Consider shorter sentences and simpler words.

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 5.5:1).

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

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

    Buy on MyFontsFlesch 6

    Color Palette

    8 unique colors
    Light
    #ffffff
    Background· 37.00000000000001%
    #1576a0
    Primary· 36.099999999999994%
    #133f97
    Accent· 8.5%
    #8dbdd0
    Secondary· 4.9%
    #4792b1
    Secondary· 3.9%
    #e0e7ec
    Secondary· 3%
    #35228d
    Accent· 2.7%

    Business & Marketing Stack

    2 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    Privacy & Cookies

    1
    CookiebotMid-Market

    Cookie consent and privacy compliance tools

    2

    Categories

    2

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    14 Resources

    6
    Scripts
    8
    Styles
    0
    Async
    2
    Defer

    Top Script Sources

    local(6)

    Website Identity

    open-access.network

    [email protected]
    6 years old
    Location detected: 🇩🇪 Germanyvia ip
    Mesh Digital Limitedde

    Social Profiles

    LinkedInBluesky

    Sponsored

    Last analyzed: 01 Jun 2026 at 04:29

    Historical Analysis & Change Tracking

    open-access.network Technology Stack - Built With Tailwind CSS, Matomo, Apache, PHP | StackOptic | StackOptic