Certified Website Score
presnx.com
PRESNX ist eine KOSTENLOSE Schülerplattform, auf der sich Schüler und Studenten miteinander verbinden, PRÄSENTATIONEN hoch- und herunterladen können und vieles mehr
First audit: October 9, 2025•Last audit: October 9, 2025
Overall
66/100
91
Performance
88
Quality
18
Trust & Security
Score Trend
Not enough data to display a trend yet.
Latest audit — October 9, 2025
Deep, transparent insight into how this score is built: PageSpeed vitals, on‑page quality signals, and trust & security checks — all broken down into clear, verifiable items you can act on.
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80
Performance
100
SEO
83
Best Practices
91
Accessibility
Performance
80/100Largest Contentful Paint
25/251.8s
2.5s4.0s
First Contentful Paint
10/101.2s
1.8s3.0s
Total Blocking Time
11/30764ms
200ms400ms
Cumulative Layout Shift
25/250.00
0.100.25
Speed Index
9/103.1s
3.4s5.4s
SEO
100/100Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
Document has a valid `hreflang`
Document has a valid `rel=canonical`
Best Practices
83/100Does not use HTTPS
Avoids deprecated APIs
Avoids third-party cookies
Allows users to paste into input fields
Redirects HTTP traffic to HTTPS
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document uses legible font sizes
Page has the HTML doctype
Properly defines charset
No browser errors logged to the console
No issues in the `Issues` panel in Chrome Devtools
Accessibility
91/100`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
`[role]` values are valid
Background and foreground colors do not have a sufficient contrast ratio.
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Form elements have associated labels
Links are distinguishable without relying on color.
Links do not have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Uses ARIA roles only on compatible elements
Deprecated ARIA roles were not used
Site Quality
Title
PRESN X: Die Schülerplattform
29 chars (ideal 30–60)
Meta Description
PRESNX ist eine KOSTENLOSE Schülerplattform, auf der sich Schüler und Studenten miteinander verbinden, PRÄSENTATIONEN hoch- und herunterladen können und vieles mehr
164 chars (ideal 120–160)
Favicon
https://www.presnx.com/icons/favicon.ico
present
Viewport meta
width=device-width, initial-scale=1
correct (width=device-width, initial-scale=1)
robots.txt
missing (ideal: User-agent: * + Allow: / + Sitemap)
Sitemap
http://presnx.com/sitemap.xml
present
Headings
H1KostenlosePräsentationen,Ohne Grenzen
H2Was ist PRESNX?
H2Warum PRESNX?
H2Präsentationen und mehr
H2Kostenlos
H2Interatkionen
H2Feedback
H2Sicherung
H2Belohnungen
H2Vielsprachig
H2Updates
H2InteressiertPRESNX beizutreten?
correct structure
Schema.org JSON-LD
missing (consider Organization, Article, Product, or FAQPage schemas)
Canonical URL
https://www.presnx.com/
present
HTML lang
de
present
Character encoding
utf-8
present
Open Graph
Title
PRESN X: Die Schülerplattform
present
Description
PRESNX ist eine KOSTENLOSE Schülerplattform, auf der sich Schüler und Studenten miteinander verbinden, PRÄSENTATIONEN hoch- und herunterladen können und vieles mehr
present
Image
https://i.imgur.com/USGRR4C.png
present
URL
https://www.presnx.com/
present
Type
missing (add <meta property='og:type' content='website'>)
Twitter Cards
Card Type
summary_large_image
present
Title
PRESN X: Die Schülerplattform
present
Description
PRESNX ist eine KOSTENLOSE Schülerplattform, auf der sich Schüler und Studenten miteinander verbinden, PRÄSENTATIONEN hoch- und herunterladen können und vieles mehr
present
Image
https://i.imgur.com/USGRR4C.png
present
Security Headers
HTTPS
missing (should configure SSL/TLS certificate and use https://)
HTTP Strict Transport Security
Strict-Transport-Security: max-age=63072000
Content Security Policy
missing (should be: Content-Security-Policy: default-src 'self')
Frame Protection
missing (should be: X-Frame-Options: SAMEORIGIN)
MIME Type Protection
missing (should be: X-Content-Type-Options: nosniff)
Domain Trust
Domain Rating
3 (Last sync: 30th July 2025)
1525
Domain Age
no domain age records found
Registrar
no registrar record found
Country
no country record found
Infrastructure
Provider
Vercel
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