Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

cocktail.hk

香港調酒學校 - 全港唯一獲國際認可之調酒教育機構

Page Load Speed

10.6 sec in total

First Response

1.3 sec

Resources Loaded

8.9 sec

Page Rendered

300 ms

cocktail.hk screenshot

About Website

Click here to check amazing Cocktail content. Otherwise, check out these important facts you probably never knew about cocktail.hk

本校於2003年創辦,是全港首間國際調酒師協會認可執照之指定培訓中心,導師均為考獲國際認可執照或擁有十多年酒吧管理經驗的調酒師,舉辦多項專業及興趣調酒課程,並耗資港幣30萬元設立模擬酒吧課室,為學員提供設備最完善的學習環境,畢業學員可獲全球54個國家認可。

Visit cocktail.hk

Key Findings

We analyzed Cocktail.hk page load time and found that the first response time was 1.3 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cocktail.hk performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

cocktail.hk

1335 ms

css01.css

456 ms

analytics.js

51 ms

bg01.jpg

222 ms

edge_l01.jpg

575 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 85% of them (73 requests) were addressed to the original Cocktail.hk, 5% (4 requests) were made to Youtube.com and 3% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Cocktail.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 624.1 kB (46%)

Content Size

1.3 MB

After Optimization

723.0 kB

In fact, the total size of Cocktail.hk main page is 1.3 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. 55% of websites need less resources to load. Images take 811.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 35.8 kB

  • Original 41.1 kB
  • After minification 30.1 kB
  • After compression 5.3 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 11.0 kB, which is 27% 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 35.8 kB or 87% of the original size.

Image Optimization

-28%

Potential reduce by 224.3 kB

  • Original 811.8 kB
  • After minification 587.5 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. Obviously, Cocktail needs image optimization as it can save up to 224.3 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 160.7 kB

  • Original 249.0 kB
  • After minification 248.9 kB
  • After compression 88.3 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 160.7 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 203.4 kB

  • Original 245.2 kB
  • After minification 245.0 kB
  • After compression 41.9 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. Cocktail.hk needs all CSS files to be minified and compressed as it can save up to 203.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (5%)

Requests Now

83

After Optimization

79

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cocktail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cocktail.hk accessibility score

58

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Links do not have a discernible name

Best Practices

cocktail.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

cocktail.hk SEO score

67

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

Image elements do not have [alt] attributes

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 Cocktail.hk 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 Cocktail.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 Cocktail. 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: