Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

quantum.com.hk

QDS - Your trusted partner in Data Center Solutions and Services

Page Load Speed

4.7 sec in total

First Response

217 ms

Resources Loaded

4.3 sec

Page Rendered

228 ms

quantum.com.hk screenshot

About Website

Click here to check amazing Quantum content. Otherwise, check out these important facts you probably never knew about quantum.com.hk

Quantum Data Systems HK Limited is a company which have been servicing the Information technology (IT) industry in Hong Kong, Macau and China since 1980s. Over the years, QDS has focus on helping ente...

Visit quantum.com.hk

Key Findings

We analyzed Quantum.com.hk page load time and found that the first response time was 217 ms and then it took 4.5 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

quantum.com.hk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value3,240 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

website

217 ms

601 ms

highslide.css

223 ms

mootools.js

643 ms

caption.js

435 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 93% of them (56 requests) were addressed to the original Quantum.com.hk, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Quantum.com.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.1 kB (21%)

Content Size

461.1 kB

After Optimization

362.0 kB

In fact, the total size of Quantum.com.hk main page is 461.1 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. 45% of websites need less resources to load. Images take 301.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 61.4 kB

  • Original 73.3 kB
  • After minification 69.7 kB
  • After compression 11.9 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. 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 61.4 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 28.3 kB

  • Original 301.5 kB
  • After minification 273.2 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. Quantum images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 5.5 kB

  • Original 71.5 kB
  • After minification 71.5 kB
  • After compression 66.1 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

-26%

Potential reduce by 3.9 kB

  • Original 14.7 kB
  • After minification 14.7 kB
  • After compression 10.9 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. Quantum.com.hk needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (62%)

Requests Now

55

After Optimization

21

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quantum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

quantum.com.hk accessibility score

63

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

quantum.com.hk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

quantum.com.hk SEO score

62

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

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

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 Quantum.com.hk 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 Quantum.com.hk 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 Quantum. 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: