Tools & Wizards About Us
sjzos.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sjzos.com

yl34511线路中心(中国)股份有限公司

Page Load Speed

12.4 sec in total

First Response

92 ms

Resources Loaded

12.1 sec

Page Rendered

220 ms

sjzos.com screenshot

About Website

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

yl34511线路中心，位于美丽富饶的胶州湾畔，专业从事各种塑料管材及其塑料加工成套设备，是一家集科研、开发、生产、销售、服务和贸易于一体的现代化塑机企业 ，凭借在机械制造领域的专业水平和成熟技术，产品处于同行业领先地位。联系热线：15066186151

Visit sjzos.com

Key Findings

We analyzed Sjzos.com page load time and found that the first response time was 92 ms and then it took 12.3 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

sjzos.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value39.9 s

0/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.516

15/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

sjzos.com

92 ms

www.sjzos.com

105 ms

jquery.min.js

33 ms

base.css

91 ms

model.css

90 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 17% of them (19 requests) were addressed to the original Sjzos.com, 67% (74 requests) were made to Xiangyusj.com and 8% (9 requests) were made to Tp.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (9.4 sec) relates to the external source Tp.xinxiyidiantong.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.7 kB (5%)

Content Size

7.6 MB

After Optimization

7.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sjzos.com main page is 7.6 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. 60% of websites need less resources to load. Images take 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.0 kB

  • Original 4.3 kB
  • After minification 4.2 kB
  • After compression 1.4 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 3.0 kB or 68% of the original size.

Image Optimization

-5%

Potential reduce by 343.6 kB

  • Original 7.6 MB
  • After minification 7.3 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. Sjzos images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.1 kB

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 19.4 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.

Requests Breakdown

Number of requests can be reduced by 15 (14%)

Requests Now

107

After Optimization

92

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sjzos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sjzos.com

sjzos.com

92 ms

www.sjzos.com

www.sjzos.com

105 ms

jquery.min.js

jquery.min.js

33 ms

base.css

base.css

91 ms

model.css

model.css

90 ms

main.css

main.css

80 ms

animate.min.css

animate.min.css

81 ms

user.css

user.css

88 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

123 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

126 ms

html5zoo.js

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166 ms

lovelygallery.js

lovelygallery.js

143 ms

mobile.js

mobile.js

144 ms

kf.css

kf.css

135 ms

common.js

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172 ms

message.js

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174 ms

wow.min.js

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185 ms

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1337 ms

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256 ms

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5966 ms

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6218 ms

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6372 ms

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6913 ms

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7155 ms

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7392 ms

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6012 ms

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33 ms

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7636 ms

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28 ms

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tj.js

298 ms

collect

collect

826 ms

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827 ms

Accessibility Review

sjzos.com accessibility score

45

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.

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

sjzos.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sjzos.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sjzos.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 Sjzos.com main page’s claimed encoding is . 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

sjzos.com

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