Tools & Wizards About Us
immostar.lu screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

immostar.lu

ImmoStar - Portail immobilier au Luxembourg : annonces ventes et locations

Page Load Speed

4.3 sec in total

First Response

281 ms

Resources Loaded

2.8 sec

Page Rendered

1.2 sec

immostar.lu screenshot

About Website

Visit immostar.lu now to see the best up-to-date Immo Star content for Luxembourg and also check out these interesting facts you probably never knew about immostar.lu

Annonces immobilières à vendre et à louer au Luxembourg et sa région - Plus de 25 ans d'expérience avec ImmoStar.lu

Visit immostar.lu

Key Findings

We analyzed Immostar.lu page load time and found that the first response time was 281 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

immostar.lu performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

immostar.lu

281 ms

immostar.lu

690 ms

bootstrap.min.css

18 ms

immostar.css

415 ms

slick.min.css

460 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Immostar.lu, 41% (25 requests) were made to Img.immostar.lu and 31% (19 requests) were made to Static.immostar.lu. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Img.immostar.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.3 kB (14%)

Content Size

1.1 MB

After Optimization

933.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Immostar.lu main page is 1.1 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. 60% of websites need less resources to load. Javascripts take 526.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 152.5 kB

  • Original 168.8 kB
  • After minification 168.3 kB
  • After compression 16.3 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 152.5 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 386.3 kB
  • After minification 381.3 kB

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. Immo Star images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 517 B

  • Original 526.8 kB
  • After minification 526.8 kB
  • After compression 526.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 229 B

  • Original 9.9 kB
  • After minification 9.9 kB
  • After compression 9.7 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. Immostar.lu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (32%)

Requests Now

47

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Immo Star. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

immostar.lu

immostar.lu

281 ms

immostar.lu

immostar.lu

690 ms

bootstrap.min.css

bootstrap.min.css

18 ms

immostar.css

immostar.css

415 ms

slick.min.css

slick.min.css

460 ms

slick-theme-home.css

slick-theme-home.css

458 ms

209293_1.jpg

209293_1.jpg

787 ms

modernizr.min.js

modernizr.min.js

507 ms

jquery.min.js

jquery.min.js

597 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

19 ms

init.jquery.js

init.jquery.js

555 ms

navbar.jquery.js

navbar.jquery.js

506 ms

slick.min.js

slick.min.js

555 ms

home.slick.js

home.slick.js

555 ms

search.jquery.js

search.jquery.js

596 ms

sweetalert2.all.min.js

sweetalert2.all.min.js

678 ms

bootstrap-notify.min.js

bootstrap-notify.min.js

620 ms

action.jquery.js

action.jquery.js

637 ms

all.js

all.js

981 ms

2238.gif

2238.gif

662 ms

2215.gif

2215.gif

673 ms

logo-is-w.png

logo-is-w.png

766 ms

209293_1.jpg

209293_1.jpg

836 ms

209293_1.jpg

209293_1.jpg

886 ms

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209226_1.jpg

940 ms

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209226_1.jpg

900 ms

209226_1.jpg

209226_1.jpg

865 ms

209361_1.jpg

209361_1.jpg

1034 ms

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199861_1.jpg

1131 ms

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209358_1.jpg

1131 ms

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209281_1.jpg

1099 ms

209257_1.jpg

209257_1.jpg

1099 ms

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209326_1.jpg

1320 ms

209076_1.jpg

209076_1.jpg

1321 ms

209140_1.jpg

209140_1.jpg

1329 ms

209246_1.jpg

209246_1.jpg

1320 ms

209175_1.jpg

209175_1.jpg

1377 ms

209224_1.jpg

209224_1.jpg

1397 ms

198817_1.jpg

198817_1.jpg

1472 ms

209298_1.jpg

209298_1.jpg

1551 ms

209016_1.jpg

209016_1.jpg

1552 ms

209336_1.jpg

209336_1.jpg

1589 ms

209366_1.jpg

209366_1.jpg

1651 ms

209221_1.jpg

209221_1.jpg

1667 ms

209182_1.jpg

209182_1.jpg

1750 ms

209349_1.jpg

209349_1.jpg

1824 ms

css2

css2

31 ms

bg-02.jpg

bg-02.jpg

665 ms

KFOmCnqEu92Fr1Me5mZNCzc.woff

KFOmCnqEu92Fr1Me5mZNCzc.woff

57 ms

KFOlCnqEu92Fr1MmEU9vAB0_IsE.woff

KFOlCnqEu92Fr1MmEU9vAB0_IsE.woff

69 ms

KFOlCnqEu92Fr1MmSU5vAB0_IsE.woff

KFOlCnqEu92Fr1MmSU5vAB0_IsE.woff

77 ms

KFOkCnqEu92Fr1MmgWxMKTU1Kg.woff

KFOkCnqEu92Fr1MmgWxMKTU1Kg.woff

76 ms

KFOlCnqEu92Fr1MmWUlvAB0_IsE.woff

KFOlCnqEu92Fr1MmWUlvAB0_IsE.woff

90 ms

KFOlCnqEu92Fr1MmYUtvAB0_IsE.woff

KFOlCnqEu92Fr1MmYUtvAB0_IsE.woff

77 ms

KFOkCnqEu92Fr1Mu52xMKTU1Kg.woff

KFOkCnqEu92Fr1Mu52xMKTU1Kg.woff

92 ms

KFOjCnqEu92Fr1Mu51S7ABc-AMP6lQ.woff

KFOjCnqEu92Fr1Mu51S7ABc-AMP6lQ.woff

75 ms

KFOjCnqEu92Fr1Mu51TjARc-AMP6lQ.woff

KFOjCnqEu92Fr1Mu51TjARc-AMP6lQ.woff

91 ms

KFOiCnqEu92Fr1Mu51QrIzQXKMny.woff

KFOiCnqEu92Fr1Mu51QrIzQXKMny.woff

118 ms

KFOjCnqEu92Fr1Mu51TzBhc-AMP6lQ.woff

KFOjCnqEu92Fr1Mu51TzBhc-AMP6lQ.woff

91 ms

KFOjCnqEu92Fr1Mu51TLBBc-AMP6lQ.woff

KFOjCnqEu92Fr1Mu51TLBBc-AMP6lQ.woff

118 ms

ajax-loader.gif

ajax-loader.gif

221 ms

Accessibility Review

immostar.lu accessibility score

89

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

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

Best Practices

immostar.lu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

immostar.lu SEO score

99

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Immostar.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 Immostar.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

immostar.lu

Open Graph description is not detected on the main page of Immo Star. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: