Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jgshb.com

水环真空泵|罗茨真空泵|水环真空泵机组|真空泵及压缩机|山东精工水环真空泵厂家

Page Load Speed

31.5 sec in total

First Response

2.8 sec

Resources Loaded

27.7 sec

Page Rendered

1.1 sec

jgshb.com screenshot

About Website

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

山东精工泵业有限公司:中国真空行业重点企业,山东省知名水环真空泵厂家,现拥有两个现代化的生产厂区,制造出了数万台具有国内先进水平的水环式真空泵、化工离心泵、氢气压缩机、乙炔压缩机、中开泵及一体化成套设备。在冶金、制药、化工、食品、造纸、煤炭、石油、建材等数千家企业得到了广泛应用,并深受业界好评。

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Key Findings

We analyzed Jgshb.com page load time and found that the first response time was 2.8 sec and then it took 28.8 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 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jgshb.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

jgshb.com

2750 ms

common.css

984 ms

index.css

994 ms

jquery-1.8.0.min.js

2801 ms

jquery.jslides.js

4550 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 50% of them (24 requests) were addressed to the original Jgshb.com, 40% (19 requests) were made to Jgshb.com.img.800cdn.com and 10% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Jgshb.com.img.800cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.4 kB (47%)

Content Size

211.6 kB

After Optimization

113.1 kB

In fact, the total size of Jgshb.com main page is 211.6 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. 15% of websites need less resources to load. Javascripts take 128.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 12.0 kB

  • Original 16.3 kB
  • After minification 15.6 kB
  • After compression 4.3 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 12.0 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 3.1 kB

  • Original 62.3 kB
  • After minification 59.2 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. Jgshb images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 81.3 kB

  • Original 128.1 kB
  • After minification 127.5 kB
  • After compression 46.8 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 81.3 kB or 63% of the original size.

CSS Optimization

-42%

Potential reduce by 2.0 kB

  • Original 4.8 kB
  • After minification 4.4 kB
  • After compression 2.8 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. Jgshb.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jgshb. 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 as a result speed up the page load time.

Accessibility Review

jgshb.com accessibility score

86

Accessibility Issues

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

Best Practices

jgshb.com 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

SEO Factors

jgshb.com SEO score

77

Search Engine Optimization Advices

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 Jgshb.com 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 Jgshb.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

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