Sfeir Luxembourg
Unclaimed profileAI Engineering Company, Software Factory 10x & IA en production
SFEIR est une AI Engineering Company : nous concevons, déployons et opérons vos systèmes d'IA en production, de la Software Factory 10x aux agents métier.
Web health
76/100
measured 23/10/2026
Issues found
15
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on sfeir.com
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.
- 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.
- mediumScripts without async or defer
Synchronous scripts halt HTML parsing while the browser downloads and executes them.
- lowApple touch icon missing
The apple-touch-icon provides a branded icon when users bookmark your site on iOS devices.
- lowBelow-the-fold images not lazy loaded
Loading all images immediately increases initial page weight and competes with critical resources for bandwidth.
- lowDuplicate heading text on same page
Duplicate headings reduce the uniqueness and semantic clarity of the page structure.
- lowH1 heading is too long
A concise H1 provides a clear, focused signal about the page's primary topic.
- lowImages missing responsive srcset
Without srcset, a 1200px wide image is downloaded on a 375px wide mobile screen, wasting bandwidth and slowing load times.
- lowImages not using modern format
WebP images are 25-35% smaller than equivalent JPEG images, and AVIF offers even greater savings.
- lowMissing preconnect hints for critical origins
Each new origin connection requires DNS resolution, TCP handshake, and TLS negotiation, adding 100-300ms of latency.
- lowTitle tag is too long
Truncated titles hide important information and can reduce click-through rates.
2 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 sfeir.com's public pages. Nothing here is taken from third-party listings.