Tools & Wizards About Us
j-dians.com screenshot

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

j-dians.com

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Page Load Speed

5.2 sec in total

First Response

1.4 sec

Resources Loaded

3.7 sec

Page Rendered

176 ms

j-dians.com screenshot

About Website

Welcome to j-dians.com homepage info - get ready to check J Dians best content right away, or after learning these important things about j-dians.com

中科商務網（www.j-dians.com）成立于2000年，是國內華南地區較大的網上商務平臺和始終領先的b2b電子商務服務提供商，提供 最新供應,求購,代理,資訊,合作,二手,庫存,報價,加工。

Visit j-dians.com

Key Findings

We analyzed J-dians.com page load time and found that the first response time was 1.4 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

j-dians.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

www.j-dians.com

1396 ms

style.css

639 ms

kotak.gif

438 ms

abu.gif

204 ms

bottom.gif

844 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to J-dians.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain J-dians.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.6 kB (70%)

Content Size

15.2 kB

After Optimization

4.6 kB

  • HTML
  • CSS

In fact, the total size of J-dians.com main page is 15.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 8.1 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 4.9 kB

  • Original 8.1 kB
  • After minification 7.8 kB
  • After compression 3.2 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 4.9 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 5.7 kB

  • Original 7.2 kB
  • After minification 5.4 kB
  • After compression 1.5 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. J-dians.com needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (63%)

Requests Now

8

After Optimization

3

  • Images
  • CSS

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

Network Requests Diagram

www.j-dians.com

www.j-dians.com

1396 ms

style.css

style.css

639 ms

kotak.gif

kotak.gif

438 ms

abu.gif

abu.gif

204 ms

bottom.gif

bottom.gif

844 ms

top_left.gif

top_left.gif

213 ms

top_mid.gif

top_mid.gif

428 ms

top_right.gif

top_right.gif

1025 ms

header_left.gif

header_left.gif

966 ms

Accessibility Review

j-dians.com accessibility score

45

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

<frame> or <iframe> elements do not have a title

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

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

j-dians.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

j-dians.com SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-dians.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that J-dians.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

j-dians.com

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