Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

d-led.net

D-LED | Advanced Illumination Technologies

Page Load Speed

4.2 sec in total

First Response

424 ms

Resources Loaded

3.6 sec

Page Rendered

109 ms

d-led.net screenshot

About Website

Welcome to d-led.net homepage info - get ready to check D LED best content for Germany right away, or after learning these important things about d-led.net

dled,Advanced,Illumination,Technologies

Visit d-led.net

Key Findings

We analyzed D-led.net page load time and found that the first response time was 424 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize D-led.net rating and web reputation

Performance Metrics

d-led.net performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

d-led.net

424 ms

www.d-led.net

439 ms

default.aspx

449 ms

AC_RunActiveContent.js

440 ms

styles.css

600 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original D-led.net, 5% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain D-led.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.7 kB (6%)

Content Size

890.2 kB

After Optimization

834.5 kB

In fact, the total size of D-led.net main page is 890.2 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. 45% of websites need less resources to load. Images take 822.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 19.6 kB

  • Original 23.9 kB
  • After minification 20.8 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 3.1 kB, which is 13% 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 19.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 14.4 kB

  • Original 822.5 kB
  • After minification 808.1 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. D LED images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 13.8 kB

  • Original 34.8 kB
  • After minification 29.8 kB
  • After compression 20.9 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 13.8 kB or 40% of the original size.

CSS Optimization

-87%

Potential reduce by 7.9 kB

  • Original 9.0 kB
  • After minification 7.3 kB
  • After compression 1.2 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. D-led.net needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (31%)

Requests Now

51

After Optimization

35

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

d-led.net accessibility score

46

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

d-led.net 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

SEO Factors

d-led.net SEO score

67

Search Engine Optimization Advices

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D-led.net 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 D-led.net main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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