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plus.ac.at

https://plus.ac.at· First analyzed 29 Apr 2026· Updated 29 Apr 2026
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plus.ac.at
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Mobile

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Hosting Provider

IP Address

141.201.80.5

Site Location

🇦🇹 Austriavia phone

Server Location

🇦🇹 Salzburg, Austria

ASN

AS1109

Organization

Uni-Sbg

Nameservers

ns10.univie.ac.at.ns1.sbg.ac.at.ns2.sbg.ac.at.ns5.univie.ac.at.

Performance

91

Core Web Vitals

Weight

First Contentful Paint
1.4 s10%
Speed Index
1.8 s10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
10 MB
42 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
(06.10.20) Uni Salzburg Theme 2.0v4.1Custom
by typo-wimmer medienproduktion

Technology Stack

4 Technologies Detected

Libraries

1

CSS Frameworks

1

Icon Libraries

1

Analytics

1

SEO Analysis

B76/100
22
9
1
Meta Tags10/15
Content10/12
Headings3/8
Technical25/25
E-E-A-T2/7
Images4/7
Links2/5
URL5/5
Social5/5
Freshness4/4
Mobile3/4
Indexability3/3
P
plus.ac.atplus.ac.at

Universität Salzburg – studieren, arbeiten, forschen in Österreich

Die Universität Salzburg bietet sechs Fakultäten mit 34 Fachbereichen und rund 90 Studien in digitalen und analytischen, natur- und lebenswissenschaftlichen,...

Description truncated.
Title Length66 chars

Recommended: 50-60 chars (~389px / 580px)

Description Length379 chars

Recommended: 120-160 chars

Issues (1)

  • Missing H1 tag — every page should have exactly one H1

Crawlability

Sitemap

Type: index

24 URLs

24 sub-sitemaps

robots.txt

8 rules

Sitemap reference found

Local SEO

Local Search Readiness

28/100
Needs Work
8 10

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AI & LLM Readiness

D47/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
7/25
Citation
13/25

AI Bot Access

13/14 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:2,923
Token eff.:Optimal

Structured Data

4 JSON-LD
Organization×1.1WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary261w
Descriptive Headingsavg 3w
Canonical URL
Open Graph3/3
Twitter Card3/3
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.
B
79/100
13
Passed
4
Critical
1
Warnings
Images & Alt Text
15/20
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
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
15/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
6/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • Accessibility recommendation preview...

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.
25/100
F
1.27 g
CO₂e / view
10.0 MB
Page Weight
5%
Cleaner Than
New Visitor
1.45 g
vs
Returning (cached)
725 mg
Annual (10K/mo)
152.2 kg
Emission Segments
Data Center
283 mg
Network
305 mg
Device
681 mg
Resource Breakdown
JavaScript
688.7 KB
Images
5.7 MB
CSS
3.7 MB
HTML
26.0 KB
Green Hosting Not Verified
Uni-Sbg
7 recommendations
  • Carbon footprint recommendation preview...
D

Security Score

41%Poor
Interactive

HTTPS

No WAF

112d

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/1.1

Valid From

20.08.2025

Valid Until

20.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.plus.ac.atplus.ac.at

SHA-256 Fingerprint

CD:C1:04:D8:57:0B:38:71:5D:F3:2C:63:77:8A:A1:BF:85:E5:7A:86...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

cache-control
🟡 3s(max-age=3, must-revalidate)
connection
Keep-Alive
content-encoding
📦 Gzip(gzip)
content-security-policy
frame-ancestors 'self' https://online.uni-salzburg.at https:...
content-type
text/html; charset=UTF-8
date
Wed, 29 Apr 2026 11:44:58 GMT
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

90

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

plus-ac-at.mail.protection.outlook.com

Domain Information

plus.ac.at

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
Data Protection Officer mentioned
Legitimate interest basis mentioned

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
75/100
Mobile Friendly25 breakpoints
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
1 recommendation
  • Mobile compatibility recommendation preview...

Typography & Readability

Arial

WCAG AAA
71/100
Readability
/30
22/30

16px · LH 1.70

Hierarchy
/20
6/20
WCAG
/25
22/25

8.53:1 min contrast

Performance
/25
21/25

System fonts

Heading Font

Arial

Sans

Body Font

Arial

Sans16px

Contrast Ratio

8.53:1

WCAG AAA (≥7:1)

Reading Comfort

~36 CPL

Narrow lines
36px
h3
16px
p

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

❌ Very complex text: Flesch score 24/100. Consider shorter sentences and simpler words.

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 8.5:1).

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

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

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

Fluid Type (rem)Flesch 24

Color Palette

8 unique colors
Light
#ffffff
Background· 29.2%
#1c091b
Primary· 21.6%
#38352a
Secondary· 15.899999999999999%
#3b1a18
Secondary· 15.8%
#0b0408
Secondary· 8.9%
#4b7567
Secondary· 1.9%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2

User behavior and product analytics

Privacy & Cookies

1

Cookie consent and privacy compliance tools

2

Categories

3

Total Tools

0

Enterprise

2

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

9 Resources

8
Scripts
1
Styles
3
Async
1
Defer

Top Script Sources

plus.ac.at(3)webstatistics.sbg.ac.at(2)consent.cookiebot.com(2)consentcdn.cookiebot.com(1)

Website Identity

Paris Lodron Universität Salzburg

Organization

Paris Lodron Universität Salzburg

Location detected: 🇦🇹 Austriavia phone
📧 Microsoft 365de-DE

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Last analyzed: 29 Apr 2026 at 11:45

Historical Analysis & Change Tracking