13.5 sec in total
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12.7 sec
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Visit cdnis.edu.hk now to see the best up-to-date Cdnis content for China and also check out these interesting facts you probably never knew about cdnis.edu.hk
Welcome to the Canadian International School of Hong Kong. CDNIS is an independent, private school in Hong Kong, recognized as an IB World School.
Visit cdnis.edu.hkWe analyzed Cdnis.edu.hk page load time and found that the first response time was 669 ms and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
cdnis.edu.hk performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value7.5 s
4/100
25%
Value7.4 s
27/100
10%
Value700 ms
43/100
30%
Value0.296
40/100
15%
Value6.5 s
59/100
10%
669 ms
1869 ms
419 ms
424 ms
421 ms
Our browser made a total of 130 requests to load all elements on the main page. We found that 97% of them (126 requests) were addressed to the original Cdnis.edu.hk, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Cdnis.edu.hk.
Page size can be reduced by 575.1 kB (46%)
1.3 MB
682.8 kB
In fact, the total size of Cdnis.edu.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 622.8 kB which makes up the majority of the site volume.
Potential reduce by 88.0 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 88.0 kB or 86% of the original size.
Potential reduce by 82.3 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, Cdnis needs image optimization as it can save up to 82.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 241.8 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 241.8 kB or 71% of the original size.
Potential reduce by 162.9 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. Cdnis.edu.hk needs all CSS files to be minified and compressed as it can save up to 162.9 kB or 84% of the original size.
Number of requests can be reduced by 60 (47%)
127
67
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdnis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
cdnis.edu.hk
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cdnis.edu.hk accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
cdnis.edu.hk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
cdnis.edu.hk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdnis.edu.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 Cdnis.edu.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.
cdnis.edu.hk
Open Graph description is not detected on the main page of Cdnis. 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: