db-thueringen.de

https://db-thueringen.de· First analyzed 08 May 2026· Updated 08 May 2026

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db-thueringen.de

Mobile

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Hosting Provider

Friedrich Schiller Universitaet Jena

IP Address

141.35.110.200

Site Location

🇩🇪 Germanyvia tld

Server Location

🇩🇪 Jena, Germany

ASN

AS680

Organization

Friedrich Schiller Universitaet Jena

Server

Apache

Nameservers

dns-extern-01.uni-jena.de.dns-extern-02.uni-jena.de.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.5 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

317 KB

20 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

Friedrich Schiller Universitaet Jena

Technology Stack

4 Technologies Detected

Libraries

CSS Frameworks

Icon Libraries

Web Servers

SEO Analysis

D55/100

Meta Tags9/15

Content9/12

Headings1/8

Technical15/25

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

db-thueringen.dedb-thueringen.de

Welcome! – Digitale Bibliothek Thüringen

No description available for this page.

Title Length40 chars

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

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description — important for click-through rates in SERPs
• Missing H1 tag — every page should have exactly one H1

8 issues found

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Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

16 rules

Sitemap reference found

Local SEO

Local Search Readiness

6/100

Poor

2 13 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

F31/100

Bot Access

20/25

Machine Read.

5/25

Schema Data

0/25

Citation

6/25

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:13%

Words:260

Token eff.:Too Short

Sections/1K:15.4

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary52w

Descriptive Headingsavg 2.5w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (9)

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.

72/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

13/20

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

5/15

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

A+

39 mg

CO₂e / view

316.8 KB

Page Weight

90%

Cleaner Than

New Visitor

45 mg

Returning (cached)

22 mg

Annual (10K/mo)

4.7 kg

Emission Segments

Data Center

9 mg

Network

9 mg

Device

21 mg

Resource Breakdown

JavaScript

72.8 KB

Images

6.2 KB

CSS

234.4 KB

HTML

3.5 KB

Green Hosting Not Verified

Friedrich Schiller Universitaet Jena

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

36%Critical

Interactive

HTTPS

No WAF

187d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

11.11.2025

Valid Until

11.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

db-thueringen.dewww.db-thueringen.de

SHA-256 Fingerprint

AA:D2:5D:DB:5C:41:F2:DF:9B:DD:5C:D1:51:82:7E:3C:57:D0:5A:1F...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

access-control-allow-headers

content-disposition

inline;filename="index.html"

content-encoding

⚡ Brotli(br)

content-length

137

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

db-thueringen.de

Last Updated

16.07.2018

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

63/100

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

-apple-system

WCAG Partial

65/100

Readability

/30

21/30

16px · LH 1.80

Hierarchy

/20

8/20

WCAG

/25

15/25

4.37:1 min contrast

Performance

/25

21/25

System fonts

Heading Font

-apple-system

Sans

Body Font

-apple-system

Sans16px

Contrast Ratio

4.37:1

1 issue

Reading Comfort

~37 CPL

Narrow lines

28px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

⚠️ Hard to read: Flesch score 32/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 4.4:1).

❌ 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).

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

Flesch 32

Color Palette

6 unique colors

2.35:1 Fail Light

#ffffff

Background· 60.3%

#a9a9a9

Other· 4.4%

#127c54

Primary· 5.2%

#56967e

Secondary· 1.4%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

13 Resources

Scripts

Styles

Async

Defer

Top Script Sources

db-thueringen.de(10)

Website Identity

db-thueringen.de

Location detected: 🇩🇪 Germanyvia tld

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Last analyzed: 08 May 2026 at 04:47

Historical Analysis & Change Tracking