Tools & Wizards About Us
jgbye.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jgbye.com

水环真空泵_真空泵机组_真空泵配件与维修_离心泵_中开泵_水环真空泵厂家_山东精工泵业有限公司

Page Load Speed

37.2 sec in total

First Response

2.9 sec

Resources Loaded

34.1 sec

Page Rendered

201 ms

jgbye.com screenshot

About Website

Welcome to jgbye.com homepage info - get ready to check Jgbye best content for China right away, or after learning these important things about jgbye.com

山东精工泵业有限公司，制造出了数万台具有国内先进水平的水环真空泵、真空泵机组、化工离心泵、氢气压缩机、乙炔压缩机及一体化成套设备，并提供水环式真空泵配件与真空泵维修服务，获得了良好的业界评价，产品远销世界十几个国家和地区。

Visit jgbye.com

Key Findings

We analyzed Jgbye.com page load time and found that the first response time was 2.9 sec and then it took 34.3 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 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jgbye.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

jgbye.com

2882 ms

style.css

1323 ms

dedeajax2.js

1064 ms

j.js

1452 ms

pic_scroll.js

836 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 54% of them (35 requests) were addressed to the original Jgbye.com, 43% (28 requests) were made to Jgbye.com.img.800cdn.com and 2% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Jgbye.com.img.800cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.6 kB (60%)

Content Size

480.2 kB

After Optimization

191.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jgbye.com main page is 480.2 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. Only 10% of websites need less resources to load. Javascripts take 317.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.4 kB

  • Original 13.3 kB
  • After minification 12.9 kB
  • After compression 3.9 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 9.4 kB or 71% of the original size.

Image Optimization

-16%

Potential reduce by 24.1 kB

  • Original 149.4 kB
  • After minification 125.4 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, Jgbye needs image optimization as it can save up to 24.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 255.1 kB

  • Original 317.4 kB
  • After minification 191.7 kB
  • After compression 62.3 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 255.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (26%)

Requests Now

19

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jgbye. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jgbye.com

jgbye.com

2882 ms

style.css

style.css

1323 ms

dedeajax2.js

dedeajax2.js

1064 ms

j.js

j.js

1452 ms

pic_scroll.js

pic_scroll.js

836 ms

jquery.js

jquery.js

3487 ms

superslide.2.1.js

superslide.2.1.js

1304 ms

18517764.js

18517764.js

10447 ms

top_bg.jpg

top_bg.jpg

497 ms

header_bg.jpg

header_bg.jpg

524 ms

logo.png

logo.png

546 ms

weixin.png

weixin.png

526 ms

cert.jpg

cert.jpg

548 ms

more.jpg

more.jpg

525 ms

20140220155815681568.jpg

20140220155815681568.jpg

735 ms

20140220154924552455.jpg

20140220154924552455.jpg

775 ms

1_0Q31555225194.jpg

1_0Q31555225194.jpg

778 ms

1_0Q315505023a.jpg

1_0Q315505023a.jpg

778 ms

1_0Q3154I632C.jpg

1_0Q3154I632C.jpg

798 ms

1_0Q31545325G7.jpg

1_0Q31545325G7.jpg

799 ms

1_0Q315433AA9.jpg

1_0Q315433AA9.jpg

999 ms

1_0Q315402K533.jpg

1_0Q315402K533.jpg

1025 ms

1_0Q315253LW5.jpg

1_0Q315253LW5.jpg

1027 ms

1_0Q315202V425.jpg

1_0Q315202V425.jpg

1029 ms

1_0Q3150IL328.jpg

1_0Q3150IL328.jpg

1048 ms

1_0Q314215IV0.jpg

1_0Q314215IV0.jpg

1051 ms

nav_bg.jpg

nav_bg.jpg

1253 ms

nav_li_bg.jpg

nav_li_bg.jpg

1284 ms

banner_bg.jpg

banner_bg.jpg

1286 ms

slider-arrow.png

slider-arrow.png

1279 ms

banner1.jpg

banner1.jpg

1263 ms

linn.png

linn.png

1262 ms

bottom_bg.jpg

bottom_bg.jpg

1456 ms

top_bg.jpg

top_bg.jpg

2837 ms

header_bg.jpg

header_bg.jpg

5454 ms

more.jpg

more.jpg

3605 ms

weixin.png

weixin.png

20410 ms

logo.png

logo.png

6037 ms

cert.jpg

cert.jpg

6108 ms

20140220155815681568.jpg

20140220155815681568.jpg

20050 ms

20140220154924552455.jpg

20140220154924552455.jpg

20160 ms

1_0Q31555225194.jpg

1_0Q31555225194.jpg

8195 ms

1_0Q315505023a.jpg

1_0Q315505023a.jpg

9055 ms

1_0Q3154I632C.jpg

1_0Q3154I632C.jpg

11607 ms

1_0Q31545325G7.jpg

1_0Q31545325G7.jpg

15048 ms

1_0Q315433AA9.jpg

1_0Q315433AA9.jpg

16858 ms

1_0Q315402K533.jpg

1_0Q315402K533.jpg

19908 ms

1_0Q315253LW5.jpg

1_0Q315253LW5.jpg

19907 ms

1_0Q315202V425.jpg

1_0Q315202V425.jpg

19907 ms

1_0Q3150IL328.jpg

1_0Q3150IL328.jpg

19887 ms

1_0Q314215IV0.jpg

1_0Q314215IV0.jpg

19886 ms

nav_bg.jpg

nav_bg.jpg

19672 ms

nav_li_bg.jpg

nav_li_bg.jpg

19639 ms

banner_bg.jpg

banner_bg.jpg

19639 ms

slider-arrow.png

slider-arrow.png

19638 ms

linn.png

linn.png

19629 ms

banner1.jpg

banner1.jpg

19628 ms

bottom_bg.jpg

bottom_bg.jpg

20426 ms

banner2.jpg

banner2.jpg

308 ms

banner2.jpg

banner2.jpg

20045 ms

banner3.jpg

banner3.jpg

306 ms

banner3.jpg

banner3.jpg

19546 ms

icon_9.gif

icon_9.gif

747 ms

banner4.jpg

banner4.jpg

260 ms

banner4.jpg

banner4.jpg

20096 ms

Accessibility Review

jgbye.com accessibility score

46

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

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

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

jgbye.com best practices score

50

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

jgbye.com SEO score

69

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

Image elements do not have [alt] attributes

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 Jgbye.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 Jgbye.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

jgbye.com

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