Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

opalhouse.com.hk

Opal House

Page Load Speed

12.5 sec in total

First Response

800 ms

Resources Loaded

11 sec

Page Rendered

646 ms

opalhouse.com.hk screenshot

About Website

Welcome to opalhouse.com.hk homepage info - get ready to check Opal House best content right away, or after learning these important things about opalhouse.com.hk

Our professional reputation and adaptability has maintained Opal House’s position as a global leader in Opal for nearly 40 years. Major markets for Opal House include USA, UK, Australia, Europe and Ch...

Visit opalhouse.com.hk

Key Findings

We analyzed Opalhouse.com.hk page load time and found that the first response time was 800 ms and then it took 11.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

opalhouse.com.hk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value34.8 s

0/100

25%

SI (Speed Index)

Value27.8 s

0/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value1.067

2/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

opalhouse.com.hk

800 ms

opalhouse.com.hk

4495 ms

e505d2a46d29ad5c273dcf7d8b7aa256.min.css

371 ms

styles-l.min.css

687 ms

a2ecac8aea7a4892d7463793f45d8b8c.min.js

696 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 89% of them (143 requests) were addressed to the original Opalhouse.com.hk, 8% (13 requests) were made to Fonts.gstatic.com and 2% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Opalhouse.com.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.1 kB (1%)

Content Size

6.5 MB

After Optimization

6.4 MB

In fact, the total size of Opalhouse.com.hk main page is 6.5 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. 70% of websites need less resources to load. Images take 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 78.9 kB

  • Original 91.4 kB
  • After minification 78.7 kB
  • After compression 12.5 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 12.7 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 78.9 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 11.3 kB

  • Original 6.3 MB
  • After minification 6.3 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. Opal House images are well optimized though.

CSS Optimization

-2%

Potential reduce by 1.9 kB

  • Original 105.5 kB
  • After minification 105.4 kB
  • After compression 103.5 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. Opalhouse.com.hk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 114 (81%)

Requests Now

141

After Optimization

27

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opal House. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 102 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

opalhouse.com.hk accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

opalhouse.com.hk 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

opalhouse.com.hk SEO score

88

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opalhouse.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 Opalhouse.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 Opal House. 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: