Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

jlzyc.com.cn

程力专用汽车股份有限公司

Page Load Speed

53.5 sec in total

First Response

1.2 sec

Resources Loaded

51.6 sec

Page Rendered

647 ms

About Website

Welcome to jlzyc.com.cn homepage info - get ready to check Jlzyc best content right away, or after learning these important things about jlzyc.com.cn

程力专用汽车股份有限公司：许可项目:供电业务(依法须经批准的项目,经相关部门批准后方可开展经营活动,具体经营项目以相关部门批准文件或许可证件为准)一般项目:专用汽车、挂车、汽车(不含小轿车)、新能源汽车、汽车起重机、随车起重机、专用客厢车、环卫设备、医疗专用车辆及设施设备、消防车、救护车、汽车零部件、通用保障车、集装箱、方舱、装配式板房、金属罐体(含A2、C2、C3压力容器)、塑料罐体、化工防腐设...

Visit jlzyc.com.cn

Key Findings

We analyzed Jlzyc.com.cn page load time and found that the first response time was 1.2 sec and then it took 52.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jlzyc.com.cn performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

jlzyc.com.cn

1201 ms

www.jlzyc.com.cn

2230 ms

css.css

1137 ms

jquery.min.js

20177 ms

3600099.js

811 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 79% of them (65 requests) were addressed to the original Jlzyc.com.cn, 5% (4 requests) were made to Qiao.baidu.com and 4% (3 requests) were made to Znsv.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Jlzyc.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.1 kB (24%)

Content Size

614.3 kB

After Optimization

469.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jlzyc.com.cn main page is 614.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 505.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.3 kB

  • Original 56.8 kB
  • After minification 51.8 kB
  • After compression 11.5 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 45.3 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 57.2 kB

  • Original 505.7 kB
  • After minification 448.6 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. Obviously, Jlzyc needs image optimization as it can save up to 57.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 2.6 kB

  • Original 3.4 kB
  • After minification 2.8 kB
  • After compression 881 B

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 2.6 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 40.1 kB

  • Original 48.4 kB
  • After minification 39.5 kB
  • After compression 8.2 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. Jlzyc.com.cn needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (38%)

Requests Now

60

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jlzyc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jlzyc.com.cn accessibility score

81

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

Best Practices

jlzyc.com.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

jlzyc.com.cn SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Jlzyc.com.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 Jlzyc.com.cn 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

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