Tools & Wizards About Us
yzcrown.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

yzcrown.com

High purity alumina_ Pseudo boehmite_ Aluminium isopropoxide Yangzhou Zhongtianli New Material Co., Ltd

Page Load Speed

6.9 sec in total

First Response

1.3 sec

Resources Loaded

4.7 sec

Page Rendered

833 ms

yzcrown.com screenshot

About Website

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

Yangzhou Zhongtianli New Material Co., Ltd.s leading products include more than a dozen types of products, such as high-purity aluminum oxide, pseudo boehmite, Aluminium isopropoxide, aluminum sol, et...

Visit yzcrown.com

Key Findings

We analyzed Yzcrown.com page load time and found that the first response time was 1.3 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

yzcrown.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.749

0/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

yzcrown.com

1315 ms

bootstrap.css

1109 ms

jquery.validator.css

1359 ms

owl.carousel.css

1597 ms

animate.min.css

262 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Yzcrown.com, 84% (70 requests) were made to Cdn.myxypt.com and 12% (10 requests) were made to Gcdn.myxypt.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Gcdn.myxypt.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 383.9 kB (7%)

Content Size

5.6 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yzcrown.com main page is 5.6 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. 65% of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.3 kB

  • Original 76.0 kB
  • After minification 57.1 kB
  • After compression 11.7 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. This page needs HTML code to be minified as it can gain 18.8 kB, which is 25% 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 64.3 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 313.9 kB

  • Original 5.4 MB
  • After minification 5.1 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. Yzcrown images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.6 kB

  • Original 98.0 kB
  • After minification 98.0 kB
  • After compression 96.4 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.

CSS Optimization

-7%

Potential reduce by 4.2 kB

  • Original 58.5 kB
  • After minification 58.5 kB
  • After compression 54.3 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. Yzcrown.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (18%)

Requests Now

82

After Optimization

67

  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yzcrown. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yzcrown.com

yzcrown.com

1315 ms

bootstrap.css

bootstrap.css

1109 ms

jquery.validator.css

jquery.validator.css

1359 ms

owl.carousel.css

owl.carousel.css

1597 ms

animate.min.css

animate.min.css

262 ms

swiper.min.css

swiper.min.css

1596 ms

app.css

app.css

267 ms

main.css

main.css

270 ms

jquery.js

jquery.js

1957 ms

owl.carousel.js

owl.carousel.js

1603 ms

jquery.validator.js

jquery.validator.js

1605 ms

jquery.SuperSlide.js

jquery.SuperSlide.js

1624 ms

swiper.min.js

swiper.min.js

2174 ms

app.js

app.js

266 ms

iconfont.css

iconfont.css

265 ms

main.js

main.js

265 ms

wow.min.js

wow.min.js

271 ms

hm.js

hm.js

697 ms

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66 ms

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63 ms

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71 ms

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64 ms

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65 ms

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68 ms

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73 ms

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70 ms

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71 ms

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76 ms

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78 ms

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81 ms

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81 ms

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78 ms

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120 ms

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195 ms

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450 ms

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484 ms

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508 ms

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140 ms

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155 ms

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156 ms

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156 ms

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157 ms

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168 ms

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167 ms

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172 ms

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571 ms

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514 ms

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446 ms

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734 ms

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400 ms

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407 ms

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416 ms

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424 ms

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429 ms

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431 ms

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709 ms

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439 ms

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446 ms

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448 ms

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453 ms

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452 ms

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451 ms

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948 ms

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457 ms

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465 ms

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408 ms

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415 ms

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1047 ms

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433 ms

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425 ms

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425 ms

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232 ms

Accessibility Review

yzcrown.com accessibility score

70

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

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

yzcrown.com best practices score

75

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

Page has valid source maps

SEO Factors

yzcrown.com SEO score

73

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yzcrown.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Yzcrown.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

yzcrown.com

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