NSI Luxembourg PSF
Unclaimed profileVotre partenaire IT de proximité
NSI crée des écosystèmes technologiques cohérents et performants, permettant à votre entreprise de relever les défis de demain.
Web health
55/100
measured 23/10/2026
Issues found
27
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on nsi.lu
From the audit of their public home page on 23/10/2026, worst first. Each links to what it means and how it is fixed.
- highMissing landmark elements
WCAG 1.3.1 requires that page structure is programmatically determinable.
- highSlow server response time (TTFB > 3s)
Page speed is a confirmed Google ranking factor, and TTFB is the foundational component.
- highTime to First Byte (TTFB) is slow
TTFB directly impacts all subsequent loading metrics.
- mediumAbove-fold images not prioritized
The Largest Contentful Paint (LCP) element is often a hero image.
- mediumDuplicate ID attributes found
Duplicate IDs cause label elements, aria-labelledby, aria-describedby, and fragment link targets to associate with the wrong element.
- mediumEmpty heading tag found
Empty headings waste an opportunity to provide keyword signals and structural context.
- mediumHTML lang attribute does not match content language
Conflicting language signals confuse search engines about which language the page is written in, potentially causing it to appear in wrong-language search results.
- mediumImages missing width and height attributes
Missing image dimensions are the leading cause of Cumulative Layout Shift (CLS), a Core Web Vital and ranking factor.
- mediumInvalid lang attribute value
An invalid lang attribute is worse than a missing one because it actively misdirects screen readers and translation tools.
- mediumLink has empty anchor text
Anchor text is one of the strongest signals search engines use to understand the content of the linked page.
- mediumNo structured data (schema.org) found
Structured data enables rich results (star ratings, FAQ dropdowns, recipe cards, product prices, breadcrumbs, etc.) that dramatically increase click-through rates — some rich resu…
- mediumRender-blocking CSS or JavaScript
Render-blocking resources directly impact First Contentful Paint (FCP) and Largest Contentful Paint (LCP), both Core Web Vitals metrics.
And 10 more. 1 security finding is not listed on this public page; the site's owner sees them in a full audit after claiming it.
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Figures on this page come from Dr Urls crawling nsi.lu's public pages. Nothing here is taken from third-party listings.