2.5 sec in total
834 ms
1.5 sec
194 ms
Visit cis.edu.hk now to see the best up-to-date Cis content for Hong Kong and also check out these interesting facts you probably never knew about cis.edu.hk
Home - Chinese International School
Visit cis.edu.hkWe analyzed Cis.edu.hk page load time and found that the first response time was 834 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
cis.edu.hk performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value10.6 s
0/100
25%
Value10.0 s
9/100
10%
Value660 ms
45/100
30%
Value1.397
0/100
15%
Value12.5 s
14/100
10%
834 ms
34 ms
21 ms
25 ms
43 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 97% of them (60 requests) were addressed to the original Cis.edu.hk, 3% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (834 ms) belongs to the original domain Cis.edu.hk.
Page size can be reduced by 114.9 kB (63%)
183.4 kB
68.5 kB
In fact, the total size of Cis.edu.hk main page is 183.4 kB. 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. CSS take 105.4 kB which makes up the majority of the site volume.
Potential reduce by 25.5 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 25.5 kB or 79% of the original size.
Potential reduce by 0 B
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. Cis images are well optimized though.
Potential reduce by 27 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 89.4 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. Cis.edu.hk needs all CSS files to be minified and compressed as it can save up to 89.4 kB or 85% of the original size.
Number of requests can be reduced by 29 (48%)
60
31
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
index.aspx
834 ms
dc.js
34 ms
si_behaviors-c.js
21 ms
si_onload.js
25 ms
jQuery.js
43 ms
jquery_cookie.js
26 ms
language-toggle.js
26 ms
jquery_onload.js
27 ms
base.css
36 ms
news.css
37 ms
calendar.css
38 ms
gallery.css
36 ms
academics.css
38 ms
athletics.css
54 ms
directory.css
54 ms
notes.css
56 ms
resource.css
55 ms
home.css
56 ms
jquery.cycle.pack.js
53 ms
jquery.group.min.js
55 ms
home.js
57 ms
reset.css
21 ms
structure.css
16 ms
navigation.css
27 ms
html.css
23 ms
misc.css
17 ms
module.css
24 ms
ccc.css
32 ms
gallery.css
27 ms
directory.css
26 ms
module.css
9 ms
__utm.gif
95 ms
bg-header.png
32 ms
bg-main.gif
22 ms
bg-search.png
25 ms
bg-dock.png
25 ms
tn-Phoenix_Flag_02.jpg
18 ms
tn-y12day_020_IMG_4252.JPG
11 ms
tn-PosEd_20141209_083647_CROP.jpg
23 ms
tn-CIS__19092014111.jpg
29 ms
tn-Free_walking_tour_.JPG
31 ms
tn-30artcenteroutput.jpeg
32 ms
tn-Book_Character_Parade_2013__055.jpeg
34 ms
tn-Screen_Shot_20131021_at_11.51.53_AM.png
49 ms
tn-DSC_1131.jpg
37 ms
tn-chrys21.jpg
47 ms
bg-footer.gif
49 ms
bg-util.png
52 ms
bg-logo.png
55 ms
poweredbyfinalsite.png
50 ms
bg-dock-toggle.png
55 ms
bg1.jpg
76 ms
bg2.jpg
74 ms
bg3.jpg
90 ms
bg4.jpg
80 ms
bg5.jpg
86 ms
bg6.jpg
91 ms
bg-lang.png
92 ms
bg-paging.png
93 ms
bg-news-paging.png
94 ms
fontawesome-webfont.woff
107 ms
print.css
15 ms
cis.edu.hk accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
cis.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
cis.edu.hk SEO score
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cis.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cis.edu.hk main page’s claimed encoding is iso-8859-1. 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.
cis.edu.hk
Open Graph description is not detected on the main page of Cis. 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: