Tools & Wizards About Us
bvfdjz.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

bvfdjz.com

发电机,玉柴柴油发电机组,静音发电机销售-江苏百威发电设备公司

Page Load Speed

27.9 sec in total

First Response

2 sec

Resources Loaded

25.4 sec

Page Rendered

451 ms

bvfdjz.com screenshot

About Website

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

江苏百威发电设备有限公司专业生产销售各类发电机（玉柴发电机,上柴发电机），发电机组（康明斯柴油发电机组），质量保证，售后保障，欢迎前来咨询合作。

Visit bvfdjz.com

Key Findings

We analyzed Bvfdjz.com page load time and found that the first response time was 2 sec and then it took 25.9 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 6 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bvfdjz.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.476

18/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

bvfdjz.com

1981 ms

css.css

780 ms

ttime.js

826 ms

pic.js

798 ms

su_focusflash.js

4269 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 71% of them (39 requests) were addressed to the original Bvfdjz.com, 9% (5 requests) were made to Pub.idqqimg.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Bvfdjz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.8 kB (71%)

Content Size

128.8 kB

After Optimization

37.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bvfdjz.com main page is 128.8 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. 20% of websites need less resources to load. HTML takes 79.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 71.5 kB

  • Original 79.5 kB
  • After minification 51.7 kB
  • After compression 8.1 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 27.8 kB, which is 35% 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 71.5 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 82 B

  • Original 20.4 kB
  • After minification 20.4 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. Bvfdjz images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 13.2 kB

  • Original 19.7 kB
  • After minification 18.9 kB
  • After compression 6.5 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 13.2 kB or 67% of the original size.

CSS Optimization

-76%

Potential reduce by 6.9 kB

  • Original 9.1 kB
  • After minification 7.8 kB
  • After compression 2.2 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. Bvfdjz.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (32%)

Requests Now

47

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bvfdjz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bvfdjz.com

bvfdjz.com

1981 ms

css.css

css.css

780 ms

ttime.js

ttime.js

826 ms

pic.js

pic.js

798 ms

su_focusflash.js

su_focusflash.js

4269 ms

qq.js

qq.js

765 ms

stat.php

stat.php

2343 ms

logo.jpg

logo.jpg

1529 ms

head_02.jpg

head_02.jpg

401 ms

head_021.jpg

head_021.jpg

1082 ms

head_dh.jpg

head_dh.jpg

1142 ms

more.jpg

more.jpg

786 ms

news.gif

news.gif

1182 ms

2011524114951336.jpg

2011524114951336.jpg

15171 ms

2011524114813349.jpg

2011524114813349.jpg

7383 ms

2011524141627490.jpg

2011524141627490.jpg

6437 ms

2011524114849916.jpg

2011524114849916.jpg

5263 ms

2011524114656496.jpg

2011524114656496.jpg

8185 ms

2011531165329704.jpg

2011531165329704.jpg

9722 ms

2011531165046823.jpg

2011531165046823.jpg

8046 ms

2011524142042775.jpg

2011524142042775.jpg

12655 ms

2013716125743540.jpg

2013716125743540.jpg

19755 ms

20111012162113256.jpg

20111012162113256.jpg

14664 ms

20116111148231.jpg

20116111148231.jpg

15946 ms

201153116441201.jpg

201153116441201.jpg

19350 ms

2011524142818487.jpg

2011524142818487.jpg

15076 ms

2011524142533533.jpg

2011524142533533.jpg

18252 ms

2011524114931399.jpg

2011524114931399.jpg

19753 ms

201152411491476.jpg

201152411491476.jpg

19754 ms

mid3.jpg

mid3.jpg

18049 ms

jjzc.jpg

jjzc.jpg

19754 ms

zp.jpg

zp.jpg

18739 ms

dt.jpg

dt.jpg

19753 ms

qq.gif

qq.gif

19754 ms

left1.jpg

left1.jpg

17363 ms

mid1.jpg

mid1.jpg

17446 ms

newsbg.jpg

newsbg.jpg

16987 ms

mid2.jpg

mid2.jpg

18222 ms

ff_03.jpg

ff_03.jpg

17355 ms

job.jpg

job.jpg

19459 ms

stat.htm

stat.htm

327 ms

core.php

core.php

1049 ms

9.gif

9.gif

1224 ms

h.js

h.js

739 ms

21.gif

21.gif

824 ms

b.js

b.js

735 ms

hm.gif

hm.gif

803 ms

app.gif

app.gif

2266 ms

bw.js

bw.js

2172 ms

button_old_41.gif

button_old_41.gif

548 ms

button_old_41.gif

button_old_41.gif

569 ms

button_old_41.gif

button_old_41.gif

545 ms

button_old_41.gif

button_old_41.gif

535 ms

bw.css

bw.css

341 ms

button_old_41.gif

button_old_41.gif

274 ms

Accessibility Review

bvfdjz.com accessibility score

33

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

bvfdjz.com best practices score

67

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

bvfdjz.com SEO score

83

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bvfdjz.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 Bvfdjz.com main page’s claimed encoding is gb2312. 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

bvfdjz.com

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