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zsdajin.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

zsdajin.com

Professional Caster And Wheel Manufacturer Dajin Caster.Contact.

Page Load Speed

2.1 sec in total

First Response

26 ms

Resources Loaded

1.8 sec

Page Rendered

317 ms

zsdajin.com screenshot

About Website

Click here to check amazing Zs Dajin content. Otherwise, check out these important facts you probably never knew about zsdajin.com

Dajin caster is a professional manufacturer of caster and wheel. Main products are TPR casters, heavy duty casters, medium duty casters, and leveling casters.

Visit zsdajin.com

Key Findings

We analyzed Zsdajin.com page load time and found that the first response time was 26 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zsdajin.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

www.zsdajin.com

26 ms

base.css

7 ms

index.html.css

19 ms

15402578916393.png

220 ms

partytown.js

16 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 43% of them (6 requests) were addressed to the original Zsdajin.com, 43% (6 requests) were made to Img5078.weyesimg.com and 7% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (306 ms) relates to the external source Img5078.weyesimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.7 kB (24%)

Content Size

303.7 kB

After Optimization

232.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zsdajin.com main page is 303.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 134.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 71.6 kB

  • Original 92.5 kB
  • After minification 73.6 kB
  • After compression 20.9 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 18.9 kB, which is 20% 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 71.6 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 31.1 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.

JavaScript Optimization

-0%

Potential reduce by 47 B

  • Original 134.6 kB
  • After minification 134.6 kB
  • After compression 134.5 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

-0%

Potential reduce by 62 B

  • Original 45.5 kB
  • After minification 45.5 kB
  • After compression 45.5 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. Zsdajin.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (25%)

Requests Now

12

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zs Dajin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.zsdajin.com

www.zsdajin.com

26 ms

base.css

base.css

7 ms

index.html.css

index.html.css

19 ms

15402578916393.png

15402578916393.png

220 ms

partytown.js

partytown.js

16 ms

base.js

base.js

100 ms

index.html.js

index.html.js

68 ms

js

js

124 ms

15409566675686.jpg

15409566675686.jpg

305 ms

15402847409523.jpg

15402847409523.jpg

306 ms

16172483213732.jpg

16172483213732.jpg

232 ms

16172483246671.jpg

16172483246671.jpg

236 ms

15402032448945.png

15402032448945.png

223 ms

HelveticaNeueLTPro-ThEx.otf

HelveticaNeueLTPro-ThEx.otf

192 ms

Accessibility Review

zsdajin.com accessibility score

52

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

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

zsdajin.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

SEO Factors

zsdajin.com SEO score

91

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zsdajin.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zsdajin.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

zsdajin.com

Open Graph data is detected on the main page of Zs Dajin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: