Tools & Wizards About Us
3l-led.lu screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

3l-led.lu

3L LED Lights Luxembourg - Lighting into the future

Page Load Speed

5.3 sec in total

First Response

488 ms

Resources Loaded

4.3 sec

Page Rendered

473 ms

3l-led.lu screenshot

About Website

Click here to check amazing 3L LED content. Otherwise, check out these important facts you probably never knew about 3l-led.lu

3L LED Lights Luxembourg - Lighting into the future. Innovative and energy-saving LED lights, especially for industrial companies.

Visit 3l-led.lu

Key Findings

We analyzed 3l-led.lu page load time and found that the first response time was 488 ms and then it took 4.8 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

3l-led.lu performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

488 ms

1048 ms

wp-emoji-release.min.js

194 ms

style.min.css

321 ms

styles.css

308 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 85% of them (75 requests) were addressed to the original 3l-led.lu, 8% (7 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain 3l-led.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 587.1 kB (18%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3l-led.lu main page is 3.2 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. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 61.8 kB

  • Original 76.3 kB
  • After minification 74.0 kB
  • After compression 14.5 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 61.8 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 359.6 kB

  • Original 2.7 MB
  • After minification 2.4 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. Obviously, 3L LED needs image optimization as it can save up to 359.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 88.5 kB

  • Original 267.2 kB
  • After minification 267.2 kB
  • After compression 178.6 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 88.5 kB or 33% of the original size.

CSS Optimization

-41%

Potential reduce by 77.0 kB

  • Original 185.8 kB
  • After minification 185.8 kB
  • After compression 108.8 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. 3l-led.lu needs all CSS files to be minified and compressed as it can save up to 77.0 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (58%)

Requests Now

76

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3L LED. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

488 ms

1048 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

194 ms

style.min.css

style.min.css

321 ms

styles.css

styles.css

308 ms

custom_vc_layout.css

custom_vc_layout.css

303 ms

settings.css

settings.css

420 ms

qts-default.css

qts-default.css

313 ms

css

css

32 ms

css

css

49 ms

bootstrap.css

bootstrap.css

431 ms

magnific-popup.css

magnific-popup.css

405 ms

font-awesome.min.css

font-awesome.min.css

412 ms

flexslider.css

flexslider.css

416 ms

animate.css

animate.css

439 ms

owl.carousel.css

owl.carousel.css

509 ms

owl.theme.css

owl.theme.css

513 ms

settings.css

settings.css

644 ms

boxed.css

boxed.css

646 ms

style.css

style.css

537 ms

boxed_color.php

boxed_color.php

917 ms

js_composer.css

js_composer.css

849 ms

css

css

50 ms

jquery.min.js

jquery.min.js

725 ms

jquery-migrate.min.js

jquery-migrate.min.js

645 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

868 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

779 ms

colorbox-1.css

colorbox-1.css

677 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

752 ms

wp-polyfill.min.js

wp-polyfill.min.js

784 ms

index.js

index.js

813 ms

comment-reply.min.js

comment-reply.min.js

874 ms

jflickrfeed.min.js

jflickrfeed.min.js

882 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

954 ms

bootstrap.js

bootstrap.js

955 ms

jquery.flexslider.js

jquery.flexslider.js

953 ms

imagesloaded.min.js

imagesloaded.min.js

981 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

981 ms

owl.carousel.min.js

owl.carousel.min.js

1004 ms

retina-1.1.0.min.js

retina-1.1.0.min.js

1036 ms

plugins-scroll.js

plugins-scroll.js

1041 ms

waypoint.min.js

waypoint.min.js

922 ms

script.js

script.js

850 ms

custom.js

custom.js

835 ms

jquery.colorbox.js

jquery.colorbox.js

886 ms

js_composer_front.js

js_composer_front.js

903 ms

back-pattern.png

back-pattern.png

269 ms

loader.gif

loader.gif

357 ms

de.png

de.png

272 ms

gb.png

gb.png

355 ms

fr.png

fr.png

357 ms

logo.png

logo.png

358 ms

3l-slider11.jpg

3l-slider11.jpg

683 ms

3l-slider2.jpg

3l-slider2.jpg

485 ms

3l-Slider2.jpg

3l-Slider2.jpg

479 ms

euro.png

euro.png

233 ms

pfeil.png

pfeil.png

241 ms

blatt.png

blatt.png

234 ms

pfeile.png

pfeile.png

237 ms

plus.png

plus.png

240 ms

HX3-3fmf4g2e2kwywqkyl50kcg.jpg

HX3-3fmf4g2e2kwywqkyl50kcg.jpg

391 ms

HALUX8-3fmf4eb2ahgc024r70fdvk.jpg

HALUX8-3fmf4eb2ahgc024r70fdvk.jpg

510 ms

LUXAL4S-3fmf4dsyxbbkvv59njorgg.jpg

LUXAL4S-3fmf4dsyxbbkvv59njorgg.jpg

450 ms

FLB22M-3fmf4gtj4c43l126wc4hz4.jpg

FLB22M-3fmf4gtj4c43l126wc4hz4.jpg

494 ms

FLA22M-3fmf4gtj4c43l126wc4hz4.jpg

FLA22M-3fmf4gtj4c43l126wc4hz4.jpg

553 ms

analytics.js

analytics.js

83 ms

pattern2.png

pattern2.png

587 ms

timer.png

timer.png

544 ms

simulation-waerme.png

simulation-waerme.png

879 ms

selos-aussenbeleuchtung.jpg

selos-aussenbeleuchtung.jpg

689 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

55 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

56 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

75 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

82 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

83 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

83 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

81 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

519 ms

collect

collect

49 ms

js

js

61 ms

3l-slider11-320x200.jpg

3l-slider11-320x200.jpg

261 ms

3l-slider2-320x200.jpg

3l-slider2-320x200.jpg

302 ms

3l-Slider2-320x200.jpg

3l-Slider2-320x200.jpg

341 ms

small_left.png

small_left.png

639 ms

small_right.png

small_right.png

654 ms

overlay.png

overlay.png

357 ms

437 ms

431 ms

Accessibility Review

3l-led.lu accessibility score

74

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

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

3l-led.lu best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

3l-led.lu SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3l-led.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that 3l-led.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

3l-led.lu

Open Graph data is detected on the main page of 3L LED. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: