Tools & Wizards About Us

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jx-auto.cn

江西自动化网|江西工控论坛 - 精品工控技术知识付费共享平台

Page Load Speed

15.9 sec in total

First Response

1.4 sec

Resources Loaded

14.1 sec

Page Rendered

383 ms

About Website

Welcome to jx-auto.cn homepage info - get ready to check Jx Auto best content right away, or after learning these important things about jx-auto.cn

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Key Findings

We analyzed Jx-auto.cn page load time and found that the first response time was 1.4 sec and then it took 14.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

jx-auto.cn performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value45.4 s

0/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

jx-auto.cn

1397 ms

www.jx-auto.cn

1898 ms

style_9_common.css

1553 ms

style_9_forum_index.css

834 ms

common.js

1973 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 54% of them (58 requests) were addressed to the original Jx-auto.cn, 25% (27 requests) were made to Yun.jx-auto.cn and 5% (5 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Yun.jx-auto.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 362.6 kB (21%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jx-auto.cn main page is 1.7 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 146.0 kB

  • Original 169.9 kB
  • After minification 159.6 kB
  • After compression 23.9 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 146.0 kB or 86% of the original size.

Image Optimization

-14%

Potential reduce by 208.4 kB

  • Original 1.5 MB
  • After minification 1.3 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, Jx Auto needs image optimization as it can save up to 208.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-28%

Potential reduce by 7.6 kB

  • Original 27.1 kB
  • After minification 21.6 kB
  • After compression 19.6 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 7.6 kB or 28% of the original size.

CSS Optimization

-12%

Potential reduce by 582 B

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 4.1 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. Jx-auto.cn needs all CSS files to be minified and compressed as it can save up to 582 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (32%)

Requests Now

104

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jx Auto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jx-auto.cn accessibility score

40

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

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jx-auto.cn best practices score

58

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

High

Page has valid source maps

SEO Factors

jx-auto.cn SEO score

77

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

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jx-auto.cn 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 Jx-auto.cn main page’s claimed encoding is gbk. 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 Jx Auto. 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: