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ledus.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

ledus.com

LEDUS

Page Load Speed

7.4 sec in total

First Response

1 sec

Resources Loaded

6.1 sec

Page Rendered

226 ms

ledus.com screenshot

About Website

Click here to check amazing LEDUS content. Otherwise, check out these important facts you probably never knew about ledus.com

LEDUS, 香港. 1,307 likes. LEDUS LED光源及燈具產品均以嚴格及按照LED產業規格生產，以優質產品及專業�

Visit ledus.com

Key Findings

We analyzed Ledus.com page load time and found that the first response time was 1 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ledus.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

ledus.com

1015 ms

index.css

941 ms

main.css

714 ms

common.js

966 ms

index.js

488 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that all of those requests were addressed to Ledus.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Ledus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.3 kB (22%)

Content Size

702.9 kB

After Optimization

551.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ledus.com main page is 702.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 550.1 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 9.8 kB

  • Original 14.2 kB
  • After minification 13.1 kB
  • After compression 4.5 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 9.8 kB or 69% of the original size.

Image Optimization

-8%

Potential reduce by 42.0 kB

  • Original 550.1 kB
  • After minification 508.0 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. LEDUS images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 81.7 kB

  • Original 115.7 kB
  • After minification 103.6 kB
  • After compression 34.0 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 81.7 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 17.8 kB

  • Original 22.8 kB
  • After minification 19.9 kB
  • After compression 5.0 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. Ledus.com needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (50%)

Requests Now

38

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEDUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ledus.com

ledus.com

1015 ms

index.css

index.css

941 ms

main.css

main.css

714 ms

common.js

common.js

966 ms

index.js

index.js

488 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1460 ms

js.js

js.js

955 ms

fun.js

fun.js

969 ms

png.js

png.js

1428 ms

bodyBg.jpg

bodyBg.jpg

2184 ms

logo.png

logo.png

939 ms

fcsm_icon_04.png

fcsm_icon_04.png

482 ms

20121217kwtyko.jpg

20121217kwtyko.jpg

1779 ms

20121217xbbujy.jpg

20121217xbbujy.jpg

1744 ms

20121216pxjjxn.jpg

20121216pxjjxn.jpg

2023 ms

title1.gif

title1.gif

968 ms

1347950835610001172.02nsp_81.jpg

1347950835610001172.02nsp_81.jpg

2347 ms

1347950783296134568.05nsp_81.jpg

1347950783296134568.05nsp_81.jpg

2436 ms

1347950679464211755.01nsp_81.jpg

1347950679464211755.01nsp_81.jpg

3182 ms

footImg1.gif

footImg1.gif

2254 ms

footImg2.gif

footImg2.gif

2503 ms

footImg3.gif

footImg3.gif

2658 ms

footImg.gif

footImg.gif

2727 ms

facebook.png

facebook.png

2828 ms

yahoo.png

yahoo.png

2916 ms

twitter.png

twitter.png

2979 ms

flickr.png

flickr.png

3128 ms

topSearchBg.gif

topSearchBg.gif

3188 ms

topSearchBtn.gif

topSearchBtn.gif

3293 ms

navBg.gif

navBg.gif

3374 ms

navBg1.gif

navBg1.gif

3453 ms

navIco.gif

navIco.gif

3591 ms

slider-nav.png

slider-nav.png

3634 ms

indexFlashBg.png

indexFlashBg.png

3645 ms

productBg.gif

productBg.gif

3743 ms

ico1.gif

ico1.gif

3828 ms

footBg.gif

footBg.gif

3898 ms

footBg1.gif

footBg1.gif

4037 ms

slider-nav1.png

slider-nav1.png

1087 ms

Accessibility Review

ledus.com accessibility score

54

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

ledus.com 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

ledus.com SEO score

54

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ledus.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Ledus.com 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

ledus.com

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