Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

sealy.com.hk

Sealy Mattress 絲漣床褥、床架及睡枕 - 絲漣床褥

Page Load Speed

11.8 sec in total

First Response

1.8 sec

Resources Loaded

9.7 sec

Page Rendered

235 ms

About Website

Welcome to sealy.com.hk homepage info - get ready to check Sealy best content for Hong Kong right away, or after learning these important things about sealy.com.hk

Sealy床褥一直是全球五星酒店選用的床褥,提供優質床褥、床架及睡枕。擁過百年悠久歷史,澳洲自設廠房,具備多項專利彈簧技術,圍邊技巧更可加大床褥使用面積,讓您每晚享受五星級的舒適睡眠及優質承托。

Visit sealy.com.hk

Key Findings

We analyzed Sealy.com.hk page load time and found that the first response time was 1.8 sec and then it took 10 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

sealy.com.hk performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

sealy.com.hk

1800 ms

jquery-latest.min.js

8 ms

jquery.fancybox.js

850 ms

jquery.fancybox-media.js

428 ms

func.js

443 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 85% of them (63 requests) were addressed to the original Sealy.com.hk, 4% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Sealy.com.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 831.4 kB (32%)

Content Size

2.6 MB

After Optimization

1.7 MB

In fact, the total size of Sealy.com.hk main page is 2.6 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 50.2 kB

  • Original 57.0 kB
  • After minification 53.0 kB
  • After compression 6.8 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. 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 50.2 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 175.0 kB

  • Original 1.7 MB
  • After minification 1.5 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. Sealy images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 376.8 kB

  • Original 523.1 kB
  • After minification 442.0 kB
  • After compression 146.3 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 376.8 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 229.4 kB

  • Original 279.3 kB
  • After minification 274.2 kB
  • After compression 50.0 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. Sealy.com.hk needs all CSS files to be minified and compressed as it can save up to 229.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (38%)

Requests Now

71

After Optimization

44

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sealy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sealy.com.hk accessibility score

87

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

[aria-*] attributes do not have valid values

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

sealy.com.hk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sealy.com.hk SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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