Report Summary

  • 0

    Performance

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

yedanet.com

皇冠crown官网(中国)有限公司官网

Page Load Speed

11.1 sec in total

First Response

687 ms

Resources Loaded

10.1 sec

Page Rendered

341 ms

yedanet.com screenshot

About Website

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

皇冠crown官网(中国)有限公司官网是一家集科研开发、生产经营、技术服务、系统集成于一体的高新技术企业集团,网站的名称为中国能源管理系统解决方案的主要供应商之一,是国家和山东省重点扶持的高新技术企业。

Visit yedanet.com

Key Findings

We analyzed Yedanet.com page load time and found that the first response time was 687 ms and then it took 10.4 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

yedanet.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

yedanet.com

687 ms

yedanet.com

955 ms

animate.css

669 ms

css.css

671 ms

jquery1.11.3.min.js

914 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 96% of them (51 requests) were addressed to the original Yedanet.com, 2% (1 request) were made to Api.listofebooks.com and 2% (1 request) were made to Zz.bdstatic.com. The less responsive or slowest element that took the longest time to load (6.7 sec) belongs to the original domain Yedanet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.0 kB (6%)

Content Size

2.9 MB

After Optimization

2.7 MB

In fact, the total size of Yedanet.com main page is 2.9 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. 30% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 31.0 kB

  • Original 36.8 kB
  • After minification 23.8 kB
  • After compression 5.8 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 13.0 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 31.0 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 120.7 kB

  • Original 2.8 MB
  • After minification 2.6 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. Yedanet images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.0 kB

  • Original 75.1 kB
  • After minification 75.1 kB
  • After compression 74.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-48%

Potential reduce by 18.3 kB

  • Original 38.3 kB
  • After minification 38.0 kB
  • After compression 20.0 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. Yedanet.com needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

51

After Optimization

39

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yedanet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yedanet.com accessibility score

43

Accessibility Issues

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

Document doesn't have a <title> element

High

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

High

Image elements do not have [alt] attributes

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

yedanet.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

yedanet.com SEO score

67

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Yedanet.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 Yedanet.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 Yedanet. 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: