Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

tele2.lu

Home page

Page Load Speed

3 sec in total

First Response

302 ms

Resources Loaded

2.4 sec

Page Rendered

251 ms

tele2.lu screenshot

About Website

Welcome to tele2.lu homepage info - get ready to check Tele 2 best content right away, or after learning these important things about tele2.lu

Luxoutils est une entreprise spécialisée depuis plus de 40 ans dans l'outillage pour le bois et propose une vaste gamme d´outils, machines, accessoires et autres, vous permettant de réaliser vos proje...

Visit tele2.lu

Key Findings

We analyzed Tele2.lu page load time and found that the first response time was 302 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tele2.lu performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

tele2.lu

302 ms

www.luxoutils.com

785 ms

css

32 ms

96ae1e84d1869ffe55813fef6ed85934.css

342 ms

14f37556a54b083c0e016fccd904bd06.js

769 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Tele2.lu, 93% (27 requests) were made to Luxoutils.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (785 ms) relates to the external source Luxoutils.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 531.7 kB (37%)

Content Size

1.4 MB

After Optimization

910.2 kB

In fact, the total size of Tele2.lu main page is 1.4 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. 25% of websites need less resources to load. Images take 769.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 60.8 kB

  • Original 72.7 kB
  • After minification 66.0 kB
  • After compression 11.9 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 60.8 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 11.8 kB

  • Original 769.8 kB
  • After minification 758.0 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. Tele 2 images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 380.0 kB

  • Original 507.0 kB
  • After minification 503.7 kB
  • After compression 127.0 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 380.0 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 79.0 kB

  • Original 92.4 kB
  • After minification 69.7 kB
  • After compression 13.4 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. Tele2.lu needs all CSS files to be minified and compressed as it can save up to 79.0 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tele 2. According to our analytics all requests are already optimized.

Accessibility Review

tele2.lu accessibility score

81

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tele2.lu best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

tele2.lu SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tele2.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Tele2.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

Open Graph description is not detected on the main page of Tele 2. 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: