Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

hkapc.org

空氣清新機, 空氣淨化器, 空氣淨化機, Air Cleaner, Air Purifier, 空氣污染, 空氣, 空氣質素, 室內空氣質素, air, air pollutant, IAQ, Indoor air quality, Hong Kong Air Purifier Center, HK

Page Load Speed

9.5 sec in total

First Response

863 ms

Resources Loaded

8.1 sec

Page Rendered

581 ms

About Website

Welcome to hkapc.org homepage info - get ready to check HK Apc best content right away, or after learning these important things about hkapc.org

We offer 空氣清新機, 空氣淨化器, 空氣淨化機, Air Cleaner, Air Purifier, 空氣污染, 空氣, 空氣質素, 室內空氣質素, air, air pollutant, IAQ, Indoor air quality, Hong Kong Air Purifier Center, HK

Visit hkapc.org

Key Findings

We analyzed Hkapc.org page load time and found that the first response time was 863 ms and then it took 8.6 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

hkapc.org performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

hkapc.org

863 ms

SpryCollapsiblePanel.js

408 ms

SpryCollapsiblePanel.css

403 ms

sharethis.js

20 ms

SpryTabbedPanels.js

410 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 81% of them (76 requests) were addressed to the original Hkapc.org, 6% (6 requests) were made to Youtube.com and 2% (2 requests) were made to Platform-api.sharethis.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Hkapc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 857.9 kB (18%)

Content Size

4.7 MB

After Optimization

3.9 MB

In fact, the total size of Hkapc.org main page is 4.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 191.6 kB

  • Original 219.5 kB
  • After minification 170.9 kB
  • After compression 27.9 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. This page needs HTML code to be minified as it can gain 48.6 kB, which is 22% 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 191.6 kB or 87% of the original size.

Image Optimization

-15%

Potential reduce by 627.3 kB

  • Original 4.2 MB
  • After minification 3.6 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, HK Apc needs image optimization as it can save up to 627.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 36.1 kB

  • Original 205.2 kB
  • After minification 205.0 kB
  • After compression 169.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 36.1 kB or 18% of the original size.

CSS Optimization

-4%

Potential reduce by 2.8 kB

  • Original 63.6 kB
  • After minification 62.8 kB
  • After compression 60.8 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. Hkapc.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (24%)

Requests Now

90

After Optimization

68

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HK Apc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hkapc.org accessibility score

62

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.

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

hkapc.org best practices score

75

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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

hkapc.org SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hkapc.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Hkapc.org main page’s claimed encoding is big5. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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