Access hkjc.com. 香港賽馬會

name

value

score

weighting

FCP (First Contentful Paint)

Value16.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value29.6 s

0/100

25%

SI (Speed Index)

Value28.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,660 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.439

21/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

hkjc.com

681 ms

index.asp

1831 ms

index.css

446 ms

global.css

916 ms

colorbox.css

696 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 63% of them (57 requests) were addressed to the original Hkjc.com, 19% (17 requests) were made to Special.hkjc.com and 10% (9 requests) were made to Common.hkjc.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Racing.hkjc.com.

Content Size

4.0 MB

After Optimization

2.6 MB

In fact, the total size of Hkjc.com main page is 4.0 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. 30% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 67.7 kB

Original 82.6 kB
After minification 80.7 kB
After compression 14.9 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 67.7 kB or 82% of the original size.

Image Optimization

-25%

Potential reduce by 777.5 kB

Original 3.1 MB
After minification 2.3 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. Obviously, Hkjc needs image optimization as it can save up to 777.5 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 406.0 kB

Original 593.6 kB
After minification 556.1 kB
After compression 187.6 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 406.0 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 203.8 kB

Original 250.7 kB
After minification 226.1 kB
After compression 46.9 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. Hkjc.com needs all CSS files to be minified and compressed as it can save up to 203.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hkjc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

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

hkjc.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

香港賽馬會

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

hkjc.com

index.asp

index.css

global.css

colorbox.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

hkjc.com

index.asp

index.css

global.css

colorbox.css

photo-gallery-colorbox.css

slick.css

slick-theme.css

crisis-announcement.js

global.js

swfobject.js

home-common.js

jquery.1.11.2.min.js

jquery.colorbox-min.js

slick.min.js

customer_profile.min.js

jquery-1.4.1.min.js

jquery.jsonp-2.1.3.min.js

SSOCore.js

sso.min.js

ssoConfig.js

globallogin.js

home-news-headlines.js

homepage-feature-1.js

homepage-feature-2.js

homepage-feature-3.js

b64.min.js

specialChar.js

wa_tracker.js

wa_tracker_config.js

global_it.js

spacer.png

rgp_text_chi_970.gif

logo_hkjc.png

icon_toggle.gif

entertainment-l1.gif

racing-l1.gif

football-l1.gif

member-l1.gif

charities-l1.gif

corporate-l1.gif

ceo_115x27_c.gif

spacer.gif