Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

king-diamond.com.tw

Taiwan - ZHENG CHANG COMPANY LIMITED, vertical handle, horizontal handle,push / pull, latch type.

Page Load Speed

5.6 sec in total

First Response

615 ms

Resources Loaded

4.9 sec

Page Rendered

167 ms

king-diamond.com.tw screenshot

About Website

Welcome to king-diamond.com.tw homepage info - get ready to check King Diamond best content right away, or after learning these important things about king-diamond.com.tw

Specialized in Manufacturing All Kind of Toggle Clamps-ZHENG CHANG COMPANY LIMITED, Zheng Chang has been engaged in tool & part research and development for years. We are a specialist manufacturer of ...

Visit king-diamond.com.tw

Key Findings

We analyzed King-diamond.com.tw page load time and found that the first response time was 615 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

king-diamond.com.tw performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

king-diamond.com.tw

615 ms

www.king-diamond.com.tw

814 ms

bootstrap.min.css

624 ms

font-awesome.min.css

612 ms

justVector.css

415 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 85% of them (29 requests) were addressed to the original King-diamond.com.tw, 15% (5 requests) were made to Gdpr.urb2b.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Gdpr.urb2b.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 456.4 kB (44%)

Content Size

1.0 MB

After Optimization

581.2 kB

In fact, the total size of King-diamond.com.tw main page is 1.0 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. 25% of websites need less resources to load. Images take 481.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.6 kB

  • Original 23.3 kB
  • After minification 20.2 kB
  • After compression 4.8 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 3.2 kB, which is 14% 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 18.6 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 7.9 kB

  • Original 481.1 kB
  • After minification 473.1 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. King Diamond images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 224.5 kB

  • Original 290.8 kB
  • After minification 237.1 kB
  • After compression 66.3 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 224.5 kB or 77% of the original size.

CSS Optimization

-85%

Potential reduce by 205.4 kB

  • Original 242.4 kB
  • After minification 225.5 kB
  • After compression 37.1 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. King-diamond.com.tw needs all CSS files to be minified and compressed as it can save up to 205.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of King Diamond. 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.

Accessibility Review

king-diamond.com.tw accessibility score

75

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.

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

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

king-diamond.com.tw best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

king-diamond.com.tw SEO score

78

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

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 King-diamond.com.tw 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 King-diamond.com.tw 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

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