Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

jldaudio.com

Jiaxing Jinlida Electron Co., Ltd.

Page Load Speed

7.7 sec in total

First Response

1.3 sec

Resources Loaded

6.2 sec

Page Rendered

196 ms

jldaudio.com screenshot

About Website

Visit jldaudio.com now to see the best up-to-date Jldaudio content and also check out these interesting facts you probably never knew about jldaudio.com

We have been in the Self production and OEM business & Service for over 15 years and also produce hundreds of models customized. The fully experienced technology and excellent test equipments keep our...

Visit jldaudio.com

Key Findings

We analyzed Jldaudio.com page load time and found that the first response time was 1.3 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

jldaudio.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

jldaudio.com

1289 ms

SpryAccordion.js

182 ms

SpryAccordion.css

111 ms

style.css

336 ms

SpryMenuBarHorizontal-cv.css

170 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Jldaudio.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Jldaudio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (46%)

Content Size

3.3 MB

After Optimization

1.8 MB

In fact, the total size of Jldaudio.com main page is 3.3 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. Only 5% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 11.2 kB

  • Original 14.9 kB
  • After minification 13.2 kB
  • After compression 3.7 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 1.8 kB, which is 12% 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 11.2 kB or 75% of the original size.

Image Optimization

-43%

Potential reduce by 1.3 MB

  • Original 3.1 MB
  • After minification 1.7 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, Jldaudio needs image optimization as it can save up to 1.3 MB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 117.2 kB

  • Original 163.8 kB
  • After minification 144.0 kB
  • After compression 46.6 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 117.2 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 63.7 kB

  • Original 73.4 kB
  • After minification 52.3 kB
  • After compression 9.7 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. Jldaudio.com needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (27%)

Requests Now

37

After Optimization

27

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jldaudio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jldaudio.com accessibility score

63

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

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>).

High

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

Best Practices

jldaudio.com best practices score

42

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

jldaudio.com SEO score

67

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jldaudio.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 Jldaudio.com 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 Jldaudio. 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: