Tools & Wizards About Us
luxplan.lu screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

luxplan.lu

Le bureau d’ingénieurs-conseils Luxplan existe depuis 1981

Page Load Speed

6.6 sec in total

First Response

1.7 sec

Resources Loaded

4.3 sec

Page Rendered

571 ms

luxplan.lu screenshot

About Website

Click here to check amazing Luxplan content. Otherwise, check out these important facts you probably never knew about luxplan.lu

Ayant fortifié sa présence sur le marché grâce à de nombreux projets nationaux et internationaux, il a peu à peu élargi ses compétences à travers le développement de ses domaines d’activités et l’acqu...

Visit luxplan.lu

Key Findings

We analyzed Luxplan.lu page load time and found that the first response time was 1.7 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

luxplan.lu performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

luxplan.lu

1729 ms

uc.js

34 ms

js

83 ms

map-styles.css

199 ms

style.min.css

303 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 83% of them (65 requests) were addressed to the original Luxplan.lu, 8% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Luxplan.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 633.6 kB (14%)

Content Size

4.6 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luxplan.lu main page is 4.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 236.1 kB

  • Original 274.5 kB
  • After minification 272.9 kB
  • After compression 38.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 236.1 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 149.7 kB

  • Original 3.4 MB
  • After minification 3.2 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Luxplan images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 235.1 kB

  • Original 716.0 kB
  • After minification 716.0 kB
  • After compression 480.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 235.1 kB or 33% of the original size.

CSS Optimization

-7%

Potential reduce by 12.7 kB

  • Original 175.0 kB
  • After minification 175.0 kB
  • After compression 162.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Luxplan.lu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (75%)

Requests Now

67

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luxplan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luxplan.lu

luxplan.lu

1729 ms

uc.js

uc.js

34 ms

js

js

83 ms

map-styles.css

map-styles.css

199 ms

style.min.css

style.min.css

303 ms

styles.css

styles.css

306 ms

style.min.css

style.min.css

307 ms

be.css

be.css

526 ms

animations.min.css

animations.min.css

307 ms

fontawesome.css

fontawesome.css

311 ms

jplayer.blue.monday.min.css

jplayer.blue.monday.min.css

404 ms

responsive.css

responsive.css

407 ms

css

css

40 ms

style.css

style.css

404 ms

css

css

58 ms

js_composer.min.css

js_composer.min.css

631 ms

jquery.min.js

jquery.min.js

437 ms

jquery-migrate.min.js

jquery-migrate.min.js

398 ms

language-cookie.js

language-cookie.js

397 ms

js

js

81 ms

owl.carousel.min.js

owl.carousel.min.js

401 ms

owl.carousel.css

owl.carousel.css

496 ms

lightbox.min.css

lightbox.min.css

497 ms

owl.min.css

owl.min.css

499 ms

animate.min.css

animate.min.css

517 ms

index.js

index.js

520 ms

index.js

index.js

643 ms

core.min.js

core.min.js

644 ms

tabs.min.js

tabs.min.js

643 ms

debouncedresize.min.js

debouncedresize.min.js

645 ms

magnificpopup.min.js

magnificpopup.min.js

645 ms

menu.js

menu.js

646 ms

visible.min.js

visible.min.js

702 ms

animations.min.js

animations.min.js

701 ms

jplayer.min.js

jplayer.min.js

721 ms

enllax.min.js

enllax.min.js

724 ms

translate3d.js

translate3d.js

725 ms

scripts.js

scripts.js

730 ms

scripts.js

scripts.js

794 ms

api.js

api.js

40 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

797 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

804 ms

wp-polyfill.min.js

wp-polyfill.min.js

819 ms

index.js

index.js

792 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

686 ms

js_composer_front.min.js

js_composer_front.min.js

702 ms

lightbox.min.js

lightbox.min.js

721 ms

owl.carousel.min.js

owl.carousel.min.js

720 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

723 ms

underscore.min.js

underscore.min.js

633 ms

vc-waypoints.min.js

vc-waypoints.min.js

644 ms

vc_grid.min.js

vc_grid.min.js

700 ms

Group-614-4.png

Group-614-4.png

946 ms

Mask-Group-160.jpg

Mask-Group-160.jpg

603 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

22 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

43 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

53 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

55 ms

fa-brands-400.woff

fa-brands-400.woff

539 ms

fa-solid-900.woff

fa-solid-900.woff

540 ms

fa-regular-400.woff

fa-regular-400.woff

472 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

36 ms

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

36 ms

icons.woff

icons.woff

670 ms

recaptcha__en.js

recaptcha__en.js

27 ms

logo_b.png

logo_b.png

304 ms

Banque-image_ACTIVITE_SIG-1200x900-c-default.jpg

Banque-image_ACTIVITE_SIG-1200x900-c-default.jpg

548 ms

prev.png

prev.png

133 ms

next.png

next.png

133 ms

loading.gif

loading.gif

133 ms

close.png

close.png

159 ms

Wickrange_MOBILITE-1200x900-c-default.jpg

Wickrange_MOBILITE-1200x900-c-default.jpg

305 ms

Waldhaff_VRD-1200x900-c-default.jpg

Waldhaff_VRD-1200x900-c-default.jpg

505 ms

Banque-image_ACTIVITE_TOPO-1200x900-c-default.jpg

Banque-image_ACTIVITE_TOPO-1200x900-c-default.jpg

211 ms

Banque-image_ACTIVITE_ENV-1200x900-c-default.jpg

Banque-image_ACTIVITE_ENV-1200x900-c-default.jpg

347 ms

Plan-PAP-Luxplan_Vignette-Web.jpg

Plan-PAP-Luxplan_Vignette-Web.jpg

291 ms

Gestion-risques-Vianden-01.jpg

Gestion-risques-Vianden-01.jpg

257 ms

fr.png

fr.png

305 ms

Accessibility Review

luxplan.lu accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

luxplan.lu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

luxplan.lu SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luxplan.lu can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Luxplan.lu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

luxplan.lu

Open Graph data is detected on the main page of Luxplan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: