Tools & Wizards About Us
dianyuan.ofweek.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

dianyuan.ofweek.com

OFweek电源网 - 电源行业门户

Page Load Speed

32.2 sec in total

First Response

3.8 sec

Resources Loaded

27.5 sec

Page Rendered

893 ms

dianyuan.ofweek.com screenshot

About Website

Click here to check amazing Dianyuan O Fweek content for China. Otherwise, check out these important facts you probably never knew about dianyuan.ofweek.com

OFweek电源网是专业的电源行业门户网站,提供全面的电源行业资讯,电源技术,电源行业分析及市场研究报告,涵括电源企业新闻,电源产品速递和电源技术应用,及电源技术资料下载。

Visit dianyuan.ofweek.com

Key Findings

We analyzed Dianyuan.ofweek.com page load time and found that the first response time was 3.8 sec and then it took 28.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dianyuan.ofweek.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

dianyuan.ofweek.com

3762 ms

base.css

162 ms

master.css

164 ms

style.css

163 ms

hr.css

168 ms

Our browser made a total of 197 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dianyuan.ofweek.com, 54% (106 requests) were made to Images.ofweek.com and 24% (48 requests) were made to B2b.ofweek.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source D1.ofweek.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 731.5 kB (42%)

Content Size

1.7 MB

After Optimization

995.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dianyuan.ofweek.com main page is 1.7 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 826.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 294.8 kB

  • Original 346.9 kB
  • After minification 289.5 kB
  • After compression 52.1 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 57.5 kB, which is 17% 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 294.8 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 83.0 kB

  • Original 826.3 kB
  • After minification 743.3 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. Dianyuan O Fweek images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 247.3 kB

  • Original 430.4 kB
  • After minification 423.3 kB
  • After compression 183.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 247.3 kB or 57% of the original size.

CSS Optimization

-86%

Potential reduce by 106.4 kB

  • Original 123.3 kB
  • After minification 113.8 kB
  • After compression 16.8 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. Dianyuan.ofweek.com needs all CSS files to be minified and compressed as it can save up to 106.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 71 (37%)

Requests Now

194

After Optimization

123

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 194 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dianyuan O Fweek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dianyuan.ofweek.com

dianyuan.ofweek.com

3762 ms

base.css

base.css

162 ms

master.css

master.css

164 ms

style.css

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163 ms

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168 ms

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232 ms

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Accessibility Review

dianyuan.ofweek.com accessibility score

42

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

dianyuan.ofweek.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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dianyuan.ofweek.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

    GB2312

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

dianyuan.ofweek.com

Open Graph description is not detected on the main page of Dianyuan O Fweek. 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: