Tools & Wizards About Us
tele.lu screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tele.lu

POP TV - Offre Télé Premium avec POP Internet + TV | POST Luxembourg - POST

Page Load Speed

2.9 sec in total

First Response

416 ms

Resources Loaded

2.2 sec

Page Rendered

352 ms

tele.lu screenshot

About Website

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

Avec l'offre télé de POP Internet + TV, retrouvez des centaines de chaînes, un catalogue VOD riche, des bouquets thématiques, de la HD et plus encore !

Visit tele.lu

Key Findings

We analyzed Tele.lu page load time and found that the first response time was 416 ms and then it took 2.5 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

tele.lu performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value3,120 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

tele.lu

416 ms

www.tele.lu

432 ms

reset.css

183 ms

icomoon.css

187 ms

text.css

192 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 94% of them (46 requests) were addressed to the original Tele.lu, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (895 ms) belongs to the original domain Tele.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.0 kB (18%)

Content Size

820.8 kB

After Optimization

669.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tele.lu main page is 820.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 620.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 21.5 kB

  • Original 26.5 kB
  • After minification 22.1 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 4.4 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.5 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 20.0 kB

  • Original 620.8 kB
  • After minification 600.8 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 images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 77.0 kB

  • Original 134.0 kB
  • After minification 133.3 kB
  • After compression 57.1 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 77.0 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 32.6 kB

  • Original 39.5 kB
  • After minification 26.6 kB
  • After compression 6.9 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. Tele.lu needs all CSS files to be minified and compressed as it can save up to 32.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

46

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tele. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tele.lu

tele.lu

416 ms

www.tele.lu

www.tele.lu

432 ms

reset.css

reset.css

183 ms

icomoon.css

icomoon.css

187 ms

text.css

text.css

192 ms

grid.css

grid.css

187 ms

flexslider.css

flexslider.css

197 ms

main.css

main.css

303 ms

cookies.js

cookies.js

271 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

565 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

280 ms

home.js

home.js

286 ms

bg_particuliers.png

bg_particuliers.png

495 ms

logo@2x.png

logo@2x.png

181 ms

Beste-Fussball-Unterhaltung-auf-PostTV_teasernew.jpg

Beste-Fussball-Unterhaltung-auf-PostTV_teasernew.jpg

299 ms

Ihre-Lieblingssender-mit-neuer-Nummerierung_teasernew.jpg

Ihre-Lieblingssender-mit-neuer-Nummerierung_teasernew.jpg

372 ms

BeTV-Sky-Familie-und-Vision-das-PostTV-Angebot-waechst-und-waechst_teasernew.jpg

BeTV-Sky-Familie-und-Vision-das-PostTV-Angebot-waechst-und-waechst_teasernew.jpg

302 ms

BeTV-und-oder-Sky-unser-Top-TV-Angebot_teasernew.jpg

BeTV-und-oder-Sky-unser-Top-TV-Angebot_teasernew.jpg

452 ms

Editus.lu-die-neue-interaktive-App_teasernew.jpg

Editus.lu-die-neue-interaktive-App_teasernew.jpg

535 ms

Everest-jetzt-im-VOD_teasernew.jpg

Everest-jetzt-im-VOD_teasernew.jpg

590 ms

Steve-Jobs-The-man-in-the-machine-im-VOD_teasernew.jpg

Steve-Jobs-The-man-in-the-machine-im-VOD_teasernew.jpg

503 ms

Les-4-fantastiques-im-VOD_teasernew.jpg

Les-4-fantastiques-im-VOD_teasernew.jpg

649 ms

Installieren-Sie-Ihr-PostTV-im-Handumdrehen_teasernew.jpg

Installieren-Sie-Ihr-PostTV-im-Handumdrehen_teasernew.jpg

632 ms

Die-4.-Staffel-von-House-of-Cards-jetzt-auf-SKY-und-BeTV_teasernew.jpg

Die-4.-Staffel-von-House-of-Cards-jetzt-auf-SKY-und-BeTV_teasernew.jpg

688 ms

Die-4.-Staffel-von-House-of-Cards-jetzt-auf-SKY-und-BeTV_blocnew.jpg

Die-4.-Staffel-von-House-of-Cards-jetzt-auf-SKY-und-BeTV_blocnew.jpg

604 ms

Beste-Fussball-Unterhaltung-auf-PostTV_blocnew.jpg

Beste-Fussball-Unterhaltung-auf-PostTV_blocnew.jpg

627 ms

Ihre-Lieblingssender-mit-neuer-Nummerierung_blocnew.jpg

Ihre-Lieblingssender-mit-neuer-Nummerierung_blocnew.jpg

686 ms

Decoder-Austausch_blocnew.jpg

Decoder-Austausch_blocnew.jpg

705 ms

Installieren-Sie-Ihr-PostTV-im-Handumdrehen_blocnew.jpg

Installieren-Sie-Ihr-PostTV-im-Handumdrehen_blocnew.jpg

719 ms

PostKanal_blocnew.jpg

PostKanal_blocnew.jpg

720 ms

ZATTOO_blocnew.jpg

ZATTOO_blocnew.jpg

740 ms

museosans_700-webfont.woff

museosans_700-webfont.woff

775 ms

museosans_900-webfont.woff

museosans_900-webfont.woff

775 ms

museosans_500-webfont.woff

museosans_500-webfont.woff

895 ms

museosans_300-webfont.woff

museosans_300-webfont.woff

801 ms

museosans_100-webfont.woff

museosans_100-webfont.woff

802 ms

home.png

home.png

559 ms

tv.png

tv.png

610 ms

chaines_bouquets.png

chaines_bouquets.png

611 ms

guide.png

guide.png

636 ms

vod.png

vod.png

628 ms

help.png

help.png

651 ms

logo_footer.png

logo_footer.png

687 ms

icomoon.woff

icomoon.woff

687 ms

museo_slab_900italic-webfont.woff

museo_slab_900italic-webfont.woff

789 ms

ga.js

ga.js

8 ms

__utm.gif

__utm.gif

14 ms

slider-overlay.png

slider-overlay.png

655 ms

collect

collect

62 ms

Accessibility Review

tele.lu accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

tele.lu best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tele.lu SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tele.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tele.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

tele.lu

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