Tools & Wizards About Us
yulongaudio.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

yulongaudio.com

Shenzhen Yu Long Yun Electronics Co., Ltd.

Page Load Speed

4.7 sec in total

First Response

1.3 sec

Resources Loaded

3.1 sec

Page Rendered

278 ms

yulongaudio.com screenshot

About Website

Click here to check amazing Yu Long Audio content for Russia. Otherwise, check out these important facts you probably never knew about yulongaudio.com

Shenzhen Yu Long Yun Electronics Co., Ltd.

Visit yulongaudio.com

Key Findings

We analyzed Yulongaudio.com page load time and found that the first response time was 1.3 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

yulongaudio.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

yulongaudio.com

1330 ms

outerChain.jsp

1072 ms

siteBase2.min.css

443 ms

base2.min.css

448 ms

module.min.css

439 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 8% of them (4 requests) were addressed to the original Yulongaudio.com, 25% (13 requests) were made to 1.ss.508sys.com and 23% (12 requests) were made to 13654748.s21i.faiusr.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Yulongaudio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 312.5 kB (6%)

Content Size

5.3 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yulongaudio.com main page is 5.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 84.5 kB

  • Original 105.3 kB
  • After minification 102.1 kB
  • After compression 20.9 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 84.5 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 227.9 kB

  • Original 4.3 MB
  • After minification 4.0 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. Yu Long Audio images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 9 B

  • Original 842.9 kB
  • After minification 842.9 kB
  • After compression 842.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 148 B

  • Original 127.4 kB
  • After minification 127.4 kB
  • After compression 127.2 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. Yulongaudio.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (59%)

Requests Now

51

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yu Long Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yulongaudio.com

yulongaudio.com

1330 ms

outerChain.jsp

outerChain.jsp

1072 ms

siteBase2.min.css

siteBase2.min.css

443 ms

base2.min.css

base2.min.css

448 ms

module.min.css

module.min.css

439 ms

fkTheme.min.css

fkTheme.min.css

862 ms

themeMixin.min.css

themeMixin.min.css

442 ms

moduleAnimation.min.css

moduleAnimation.min.css

449 ms

fkNav.min.css

fkNav.min.css

548 ms

fkModule.min.css

fkModule.min.css

782 ms

newSearchBoxStyle.min.css

newSearchBoxStyle.min.css

440 ms

floatBtn1.min.css

floatBtn1.min.css

441 ms

jzcusstyle.jsp

jzcusstyle.jsp

617 ms

vue-2.7.14.min.js

vue-2.7.14.min.js

551 ms

comMethods.min.js

comMethods.min.js

543 ms

jzUtils.min.js

jzUtils.min.js

547 ms

polyfill.min.js

polyfill.min.js

547 ms

jzRequest.min.js

jzRequest.min.js

592 ms

jzUtils.min.js

jzUtils.min.js

592 ms

bizShared.min.js

bizShared.min.js

591 ms

bizShared.min.css

bizShared.min.css

591 ms

jquery-core.min.js

jquery-core.min.js

545 ms

jquery-mousewheel.min.js

jquery-mousewheel.min.js

548 ms

frontend.min.js

frontend.min.js

548 ms

jquery-ui-core.min.js

jquery-ui-core.min.js

559 ms

partitionSite.min.js

partitionSite.min.js

558 ms

1033.min.js

1033.min.js

585 ms

site.min.js

site.min.js

558 ms

module.min.js

module.min.js

561 ms

fontsIco.min.css

fontsIco.min.css

436 ms

hawkEye.min.js

hawkEye.min.js

606 ms

ABUIABAEGAAgp4eJyQUo7J_HrQcwhgE4Rg.png

ABUIABAEGAAgp4eJyQUo7J_HrQcwhgE4Rg.png

484 ms

vbg01.png

vbg01.png

28 ms

dot.gif

dot.gif

293 ms

ABUIABACGAAgj43qkQYo1KrJ6wMwgA84ngU.jpg

ABUIABACGAAgj43qkQYo1KrJ6wMwgA84ngU.jpg

477 ms

ABUIABACGAAg8cai8wUo4oD-bTCwBDjWAg.jpg

ABUIABACGAAg8cai8wUo4oD-bTCwBDjWAg.jpg

460 ms

ABUIABACGAAgqvm5zQUorr3g3wMwnAk4kwY!600x600.jpg

ABUIABACGAAgqvm5zQUorr3g3wMwnAk4kwY!600x600.jpg

460 ms

ABUIABACGAAg_Pe_zQUo4PTPBzCwCTiABg!600x600.jpg

ABUIABACGAAg_Pe_zQUo4PTPBzCwCTiABg!600x600.jpg

485 ms

ABUIABACGAAg7oC-zQUogYLt3QEwnAk4kwY!600x600.jpg

ABUIABACGAAg7oC-zQUogYLt3QEwnAk4kwY!600x600.jpg

491 ms

ABUIABACGAAghvW_zQUoqKyUygMwsAk4oAY!600x600.jpg

ABUIABACGAAghvW_zQUoqKyUygMwsAk4oAY!600x600.jpg

463 ms

site_h.jsp

site_h.jsp

268 ms

login_h.jsp

login_h.jsp

248 ms

sound_0_on.gif

sound_0_on.gif

19 ms

ABUIABACGAAghonqkQYo8u6fuAcwgA84ngU.jpg

ABUIABACGAAghonqkQYo8u6fuAcwgA84ngU.jpg

235 ms

ABUIABACGAAgk4aC9wUo5uORuQUw7w44ngU.jpg

ABUIABACGAAgk4aC9wUo5uORuQUw7w44ngU.jpg

224 ms

ABUIABACGAAg8cGm8wUo2NmB4wQw7w44ngU.jpg

ABUIABACGAAg8cGm8wUo2NmB4wQw7w44ngU.jpg

270 ms

ABUIABACGAAg8PDT4wUo0-39qQYwgA84ngU.jpg

ABUIABACGAAg8PDT4wUo0-39qQYwgA84ngU.jpg

225 ms

ABUIABACGAAgsJqwzAUo9KnLLTDvDjieBQ.jpg

ABUIABACGAAgsJqwzAUo9KnLLTDvDjieBQ.jpg

223 ms

photoSlide.min.js

photoSlide.min.js

52 ms

imageEffect.min.js

imageEffect.min.js

52 ms

loading_2b.gif

loading_2b.gif

35 ms

04.png

04.png

36 ms

Accessibility Review

yulongaudio.com accessibility score

89

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

yulongaudio.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

yulongaudio.com SEO score

58

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

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

    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 Yulongaudio.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 Yulongaudio.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

yulongaudio.com

Open Graph description is not detected on the main page of Yu Long Audio. 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: