8 sec in total
676 ms
7 sec
329 ms
Click here to check amazing Leung Sir content for Hong Kong. Otherwise, check out these important facts you probably never knew about leungsir.net
梁 Sir 網站,在香港提拱線上電腦教學及舉辦電腦課程,包括微軟辦公室軟件課程、倉頡課程、Photoshop課程、網站網建構課程等
Visit leungsir.netWe analyzed Leungsir.net page load time and found that the first response time was 676 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
leungsir.net performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value6.3 s
11/100
25%
Value14.7 s
1/100
10%
Value8,740 ms
0/100
30%
Value0.466
19/100
15%
Value22.8 s
1/100
10%
676 ms
846 ms
2303 ms
418 ms
620 ms
Our browser made a total of 114 requests to load all elements on the main page. We found that 28% of them (32 requests) were addressed to the original Leungsir.net, 11% (13 requests) were made to Googleads.g.doubleclick.net and 11% (13 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Leungsir.net.
Page size can be reduced by 149.3 kB (21%)
710.4 kB
561.1 kB
In fact, the total size of Leungsir.net main page is 710.4 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. 70% of websites need less resources to load. Images take 338.3 kB which makes up the majority of the site volume.
Potential reduce by 81.2 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 81.2 kB or 82% of the original size.
Potential reduce by 8.2 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. Leung Sir images are well optimized though.
Potential reduce by 52.0 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 52.0 kB or 25% of the original size.
Potential reduce by 8.0 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. Leungsir.net needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 12% of the original size.
Number of requests can be reduced by 64 (70%)
91
27
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leung Sir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
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leungsir.net accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
leungsir.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
leungsir.net 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
Tap targets are not sized appropriately
JA
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leungsir.net can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Leungsir.net 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.
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leungsir.net
Open Graph data is detected on the main page of Leung Sir. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: