Tools & Wizards About Us
yuliangled.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

yuliangled.com

5050 LEDs_3528 LEDs_SMD LEDs_Piranha LEDs_Yuliang Optoelectr

Page Load Speed

29 sec in total

First Response

374 ms

Resources Loaded

28.1 sec

Page Rendered

594 ms

yuliangled.com screenshot

About Website

Click here to check amazing Yuliang Led content. Otherwise, check out these important facts you probably never knew about yuliangled.com

Shenzhen Yuliang Optoelectronics Technology Co., Ltd. focuses on LED packaging. The products include SMD LED：5050 smd led, 3528 smd led, 3014 side-emitting smd led, piranha led, etc. It cooperates wit...

Visit yuliangled.com

Key Findings

We analyzed Yuliangled.com page load time and found that the first response time was 374 ms and then it took 28.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 19 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

yuliangled.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value24.7 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

yuliangled.com

374 ms

www.yuliangled.com

503 ms

css.css

155 ms

jquery-1.7.2.min.js

837 ms

base.js

173 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 99% of them (87 requests) were addressed to the original Yuliangled.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Yuliangled.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.4 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yuliangled.com main page is 1.3 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. 15% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.2 kB

  • Original 47.2 kB
  • After minification 41.0 kB
  • After compression 9.0 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 6.3 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 38.2 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 17.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Yuliang Led images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 61.2 kB

  • Original 132.3 kB
  • After minification 131.9 kB
  • After compression 71.2 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 61.2 kB or 46% of the original size.

CSS Optimization

-22%

Potential reduce by 1.0 kB

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 3.7 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. Yuliangled.com needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (11%)

Requests Now

66

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yuliang 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

yuliangled.com

yuliangled.com

374 ms

www.yuliangled.com

www.yuliangled.com

503 ms

css.css

css.css

155 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

837 ms

base.js

base.js

173 ms

index.js

index.js

177 ms

index2.js

index2.js

185 ms

js

js

64 ms

public_index.css

public_index.css

71 ms

jquery.min.js

jquery.min.js

348 ms

feedback_util.js

feedback_util.js

553 ms

onlineService20130718.js

onlineService20130718.js

440 ms

logo.jpg

logo.jpg

120 ms

head_tel.jpg

head_tel.jpg

80 ms

banner2.jpg

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19611 ms

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13202 ms

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12997 ms

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19610 ms

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19610 ms

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19552 ms

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8051 ms

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5474 ms

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4463 ms

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3872 ms

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3596 ms

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3345 ms

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2937 ms

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2233 ms

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2232 ms

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2310 ms

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2306 ms

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2345 ms

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2615 ms

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2578 ms

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3560 ms

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4985 ms

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5766 ms

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5114 ms

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4178 ms

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4988 ms

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5084 ms

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5086 ms

skype.gif

skype.gif

4637 ms

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4222 ms

kf.gif

kf.gif

4583 ms

Accessibility Review

yuliangled.com accessibility score

51

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

yuliangled.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

yuliangled.com SEO score

62

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

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 Yuliangled.com 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 Yuliangled.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

yuliangled.com

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