Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

zhuzao.com

中国铸造网(http://zhuzao.com/)致力于打造铸造网络大数据平台,专注于铸造领域企业服务的门户网站。提供专业铸造行业资讯、铸造商机、铸造招商、铸造展会、铸造企业及铸造产品。

Page Load Speed

38.3 sec in total

First Response

3.5 sec

Resources Loaded

34.3 sec

Page Rendered

514 ms

zhuzao.com screenshot

About Website

Click here to check amazing Zhuzao content. Otherwise, check out these important facts you probably never knew about zhuzao.com

铸造网为铸造行业企业提供企业网络营销平台。铸造企业可以在网站上建立自己的企业商铺,建立企业信息档案,发布企业产品、产品供求信息等,展会新闻,企业文章信息,也可在铸造网寻找采购商及供应商。为铸造行业提供行业动态,展会信息,技术咨询等资讯。

Visit zhuzao.com

Key Findings

We analyzed Zhuzao.com page load time and found that the first response time was 3.5 sec and then it took 34.8 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.

Performance Metrics

zhuzao.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

zhuzao.com

3544 ms

top_2014.css

1980 ms

new_index_2014.css

1987 ms

uaredirect.js

2558 ms

checkUrl.js

1817 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 86% of them (155 requests) were addressed to the original Zhuzao.com, 6% (10 requests) were made to Kefu.qycn.com and 2% (3 requests) were made to Kf.qycn.com. The less responsive or slowest element that took the longest time to load (14.9 sec) belongs to the original domain Zhuzao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 523.8 kB (22%)

Content Size

2.4 MB

After Optimization

1.8 MB

In fact, the total size of Zhuzao.com main page is 2.4 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 103.3 kB

  • Original 124.1 kB
  • After minification 119.8 kB
  • After compression 20.7 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 103.3 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 107.8 kB

  • Original 1.8 MB
  • After minification 1.7 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. Zhuzao images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 248.6 kB

  • Original 377.3 kB
  • After minification 371.8 kB
  • After compression 128.7 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 248.6 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 64.1 kB

  • Original 77.9 kB
  • After minification 68.6 kB
  • After compression 13.8 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. Zhuzao.com needs all CSS files to be minified and compressed as it can save up to 64.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 82 (46%)

Requests Now

178

After Optimization

96

The browser has sent 178 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhuzao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zhuzao.com accessibility score

52

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

zhuzao.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zhuzao.com SEO score

90

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

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 Zhuzao.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 Zhuzao.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 Zhuzao. 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: