Tools & Wizards About Us

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dghengtong.com

开云官方登录网站-开云(中国)

Page Load Speed

18.4 sec in total

First Response

5.4 sec

Resources Loaded

12.6 sec

Page Rendered

326 ms

About Website

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

开云官方登录网站-开云(中国)成立于2005年01月，【请牢记发财域名：818988d.com 】集团拥有固定资金1010.1亿。采用了近年来国外较流行的结构形式，与水平中开式结构相比，第一，同样的壁厚和材质，可承受更高的静压力（≥1.6MPa） ；第二，轴封只采用机械密封，缩短了叶轮至轴封和轴封至轴承之间的距离，所以泵的轴向尺寸缩短也很显著。

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Key Findings

We analyzed Dghengtong.com page load time and found that the first response time was 5.4 sec and then it took 12.9 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

dghengtong.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.447

20/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

dghengtong.com

5421 ms

Common.js

894 ms

reset.css

616 ms

css.css

876 ms

banner.js

680 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Dghengtong.com, 5% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (6.7 sec) belongs to the original domain Dghengtong.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.6 kB (15%)

Content Size

516.7 kB

After Optimization

439.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dghengtong.com main page is 516.7 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. 40% of websites need less resources to load. Images take 436.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 31.9 kB

  • Original 38.5 kB
  • After minification 33.0 kB
  • After compression 6.5 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. This page needs HTML code to be minified as it can gain 5.4 kB, which is 14% 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 31.9 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 11.3 kB

  • Original 436.5 kB
  • After minification 425.2 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. Dghengtong images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 17.4 kB

  • Original 20.7 kB
  • After minification 17.2 kB
  • After compression 3.3 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 17.4 kB or 84% of the original size.

CSS Optimization

-81%

Potential reduce by 16.9 kB

  • Original 20.9 kB
  • After minification 19.3 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. Dghengtong.com needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dghengtong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dghengtong.com accessibility score

54

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

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

dghengtong.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

dghengtong.com SEO score

71

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Dghengtong.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 Dghengtong.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

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