11.9 sec in total
1.3 sec
10.3 sec
375 ms
Visit qcdn.vn now to see the best up-to-date Qcdn content for Vietnam and also check out these interesting facts you probably never knew about qcdn.vn
thiet ke website dong nai,thiet ke website bien hoa, quang cao website, quang cao google
Visit qcdn.vnWe analyzed Qcdn.vn page load time and found that the first response time was 1.3 sec and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
qcdn.vn performance score
name
value
score
weighting
Value0.8 s
100/100
10%
Value0.8 s
100/100
25%
Value0.8 s
100/100
10%
Value0 ms
100/100
30%
Value0.096
91/100
15%
Value0.8 s
100/100
10%
1294 ms
785 ms
531 ms
534 ms
534 ms
Our browser made a total of 142 requests to load all elements on the main page. We found that 87% of them (124 requests) were addressed to the original Qcdn.vn, 4% (5 requests) were made to Opi.yahoo.com and 1% (2 requests) were made to Linhanh.qcdn.vn. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Nangluongxanhdongnai.not.vn.
Page size can be reduced by 549.7 kB (32%)
1.7 MB
1.2 MB
In fact, the total size of Qcdn.vn main page is 1.7 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 79.1 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 24.0 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 79.1 kB or 88% of the original size.
Potential reduce by 241.7 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, Qcdn needs image optimization as it can save up to 241.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 199.8 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 199.8 kB or 75% of the original size.
Potential reduce by 29.1 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. Qcdn.vn needs all CSS files to be minified and compressed as it can save up to 29.1 kB or 80% of the original size.
Number of requests can be reduced by 23 (18%)
131
108
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qcdn. 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 from 4 to 1 for CSS and as a result speed up the page load time.
index.php
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1772 ms
qcdn.vn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
qcdn.vn 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
qcdn.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qcdn.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Qcdn.vn 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.
qcdn.vn
Open Graph description is not detected on the main page of Qcdn. 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: