7.5 sec in total
1.1 sec
6.2 sec
238 ms
Click here to check amazing Dec Ctu content for Vietnam. Otherwise, check out these important facts you probably never knew about dec.ctu.edu.vn
Joomla! - the dynamic portal engine and content management system
Visit dec.ctu.edu.vnWe analyzed Dec.ctu.edu.vn page load time and found that the first response time was 1.1 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
dec.ctu.edu.vn performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value8.9 s
1/100
25%
Value11.5 s
5/100
10%
Value210 ms
89/100
30%
Value0.997
2/100
15%
Value8.5 s
38/100
10%
1062 ms
266 ms
520 ms
783 ms
526 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 91% of them (61 requests) were addressed to the original Dec.ctu.edu.vn, 6% (4 requests) were made to Pagead2.googlesyndication.com and 3% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Dec.ctu.edu.vn.
Page size can be reduced by 427.2 kB (11%)
3.9 MB
3.5 MB
In fact, the total size of Dec.ctu.edu.vn main page is 3.9 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 3.5 MB which makes up the majority of the site volume.
Potential reduce by 52.0 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 52.0 kB or 82% of the original size.
Potential reduce by 166.8 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. Dec Ctu images are well optimized though.
Potential reduce by 182.2 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 182.2 kB or 56% of the original size.
Potential reduce by 26.1 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. Dec.ctu.edu.vn needs all CSS files to be minified and compressed as it can save up to 26.1 kB or 83% of the original size.
Number of requests can be reduced by 32 (48%)
66
34
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dec Ctu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
dec.ctu.edu.vn
1062 ms
2j_news_slider.css
266 ms
skitter.css
520 ms
jq_last.js
783 ms
j.e.js
526 ms
jq.w.js
528 ms
mootools.js
808 ms
caption.js
543 ms
system.css
774 ms
template.css
797 ms
jquery-1.5.2.min.js
1061 ms
jquery.easing.1.3.js
834 ms
jquery.animate-colors-min.js
1031 ms
jquery.skitter.min.js
1041 ms
adsbygoogle.js
9 ms
body_bg.png
274 ms
wrapper_t_l_bg.jpg
274 ms
header_img_bg.jpg
1595 ms
pillmenu_bg.png
466 ms
bullet_new.png
483 ms
menu_bottom.png
501 ms
menu_top_out.jpg
521 ms
h3_moi.png
538 ms
menu_row.jpg
722 ms
quankhu9.jpg
1254 ms
biendao.jpg
1326 ms
0.png
780 ms
3.png
806 ms
9.png
979 ms
8.png
1040 ms
1.png
1076 ms
vtoday.png
1236 ms
vyesterday.png
1300 ms
vweek.png
1343 ms
vlweek.png
1494 ms
vmonth.png
1512 ms
vlmonth.png
1560 ms
vall.png
1588 ms
IMG_1381.JPG
2995 ms
IMG_0296.jpg
3038 ms
IMG_0288.jpg
2805 ms
IMG_1371.JPG
2933 ms
IMG_2033.JPG
2899 ms
IMG_2010.JPG
2387 ms
IMG_1374.JPG
2920 ms
IMG_2125.JPG
3323 ms
IMG_2124.JPG
3419 ms
IMG_2072[1].jpg
3708 ms
IMG_2035[1].jpg
4030 ms
IMG_1469.JPG
3588 ms
IMG_1487.JPG
3291 ms
IMG_1628.JPG
3572 ms
ca-pub-5970298046129346.js
112 ms
zrt_lookup.html
40 ms
show_ads_impl.js
42 ms
pdf_button.png
3388 ms
ads
19 ms
osd.js
7 ms
printButton.png
3356 ms
emailButton.png
3473 ms
lienheqc.jpg
3485 ms
li.png
3555 ms
footer_bg.png
3540 ms
prev.png
3382 ms
next.png
3436 ms
back-box-label-black.png
3445 ms
ajax-loader.gif
3363 ms
dec.ctu.edu.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.
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
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.
dec.ctu.edu.vn 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
General
Impact
Issue
Detected JavaScript libraries
dec.ctu.edu.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dec.ctu.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dec.ctu.edu.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.
dec.ctu.edu.vn
Open Graph description is not detected on the main page of Dec Ctu. 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: