Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dccomaha.com

开云在线登录官网-开云(中国)-开云在线登录官网-开云(中国)

Page Load Speed

26 sec in total

First Response

1.3 sec

Resources Loaded

24.2 sec

Page Rendered

504 ms

dccomaha.com screenshot

About Website

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

开云在线登录官网-开云(中国)股份有限公司是经国务院批准,由中国节能投资公司和中国新时代控股(集团)公司于2010年联合重组成立的中央企业。有限公司,成立于1989年5月,为中华全国供销合作总社下属企业、中国再生资源回收利用协会会长单位。公司拥有二级出资企业49家,包括1家主板上市公司——中再资环(股票代码600217),1家新三板上市公司——森泰环保(股票代码832774)。多年来,中再生公司在...

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Key Findings

We analyzed Dccomaha.com page load time and found that the first response time was 1.3 sec and then it took 24.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

dccomaha.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.6 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.476

18/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

dccomaha.com

1277 ms

www.dccomaha.com

709 ms

ky1.js

1147 ms

css.css

1563 ms

jquery-1.7.min.js

5158 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 72% of them (73 requests) were addressed to the original Dccomaha.com, 27% (28 requests) were made to Ptfafajs.com and 1% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (15.3 sec) belongs to the original domain Dccomaha.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 882.9 kB (9%)

Content Size

10.0 MB

After Optimization

9.1 MB

In fact, the total size of Dccomaha.com main page is 10.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 9.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 49.8 kB

  • Original 59.5 kB
  • After minification 59.1 kB
  • After compression 9.6 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 49.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 353.6 kB

  • Original 9.2 MB
  • After minification 8.9 MB

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. Dccomaha images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 425.9 kB

  • Original 576.4 kB
  • After minification 401.0 kB
  • After compression 150.5 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 425.9 kB or 74% of the original size.

CSS Optimization

-50%

Potential reduce by 53.6 kB

  • Original 106.5 kB
  • After minification 97.4 kB
  • After compression 52.9 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. Dccomaha.com needs all CSS files to be minified and compressed as it can save up to 53.6 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (10%)

Requests Now

93

After Optimization

84

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dccomaha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dccomaha.com accessibility score

51

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

dccomaha.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

High

Browser errors were logged to the console

SEO Factors

dccomaha.com SEO score

85

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dccomaha.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 Dccomaha.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 Dccomaha. 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: