Schroeder & Associés SA
Unclaimed profileBureau d'études d'ingénieurs-conseils
Schroeder & Associés SA: Ingénieurs-conseils experts dans 3 domaines fondamentaux structures, infrastructures et services.
Web health
59/100
measured 23/10/2026
Issues found
26
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on schroeder.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.
- 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.
- mediumEmpty heading tag found
Empty headings waste an opportunity to provide keyword signals and structural context.
- mediumForm inputs missing associated labels
Unlabelled form fields are unusable for screen reader users, who represent a significant portion of potential customers.
- mediumIcon-only button missing aria-label
Icon-only buttons are extremely common in modern UIs (hamburger menus, close buttons, search icons), but without aria-labels, they are completely opaque to screen reader users.
- 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.
- mediumRedirect chain detected
Google has confirmed it follows up to 10 redirects, but long chains slow down crawling and may result in Googlebot abandoning the chain.
- mediumRender-blocking CSS or JavaScript
Render-blocking resources directly impact First Contentful Paint (FCP) and Largest Contentful Paint (LCP), both Core Web Vitals metrics.
- mediumScripts without async or defer
Synchronous scripts halt HTML parsing while the browser downloads and executes them.
- lowBelow-the-fold images not lazy loaded
Loading all images immediately increases initial page weight and competes with critical resources for bandwidth.
- lowBroken heading hierarchy
Heading hierarchy provides a semantic outline of the page content.
And 4 more. 6 security findings are 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 schroeder.lu's public pages. Nothing here is taken from third-party listings.