101 is a Luxembourg-based marketing & communication agency. We build human-centric brands, design impactful digital experiences, and develop strategies that help organisations communicate, grow, and connect with their audience.
Web health
48/100
measured 23/10/2026
Issues found
32
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on 101.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.
- mediumFocus indicators removed or hidden
Focus indicators are essential for keyboard navigation.
- mediumImage file too large (>500 KB)
Images typically account for 50-75% of a page's total weight.
- mediumImage missing alt attribute
Image alt text is the primary way search engines understand image content.
- 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.
- mediumMissing canonical tag
Canonical tags are the strongest signal you can send to search engines about which URL should be indexed when multiple URLs serve similar content.
- 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…
- 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.
And 9 more. 7 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 101.lu's public pages. Nothing here is taken from third-party listings.