9.3 sec in total
1.9 sec
7.2 sec
179 ms
Welcome to dnbt.edu.vn homepage info - get ready to check Dnbt best content for Vietnam right away, or after learning these important things about dnbt.edu.vn
Visit dnbt.edu.vnWe analyzed Dnbt.edu.vn page load time and found that the first response time was 1.9 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
dnbt.edu.vn performance score
name
value
score
weighting
Value8.0 s
0/100
10%
Value19.4 s
0/100
25%
Value16.6 s
0/100
10%
Value5,170 ms
0/100
30%
Value0.002
100/100
15%
Value22.8 s
1/100
10%
1900 ms
520 ms
778 ms
804 ms
577 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 99% of them (67 requests) were addressed to the original Dnbt.edu.vn, 1% (1 request) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Dnbt.edu.vn.
Page size can be reduced by 741.3 kB (44%)
1.7 MB
950.4 kB
In fact, the total size of Dnbt.edu.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. 25% of websites need less resources to load. Javascripts take 883.9 kB which makes up the majority of the site volume.
Potential reduce by 40.0 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. This page needs HTML code to be minified as it can gain 7.6 kB, which is 14% 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 40.0 kB or 76% of the original size.
Potential reduce by 19.7 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. Dnbt images are well optimized though.
Potential reduce by 670.1 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 670.1 kB or 76% of the original size.
Potential reduce by 11.4 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. Dnbt.edu.vn needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 77% of the original size.
Number of requests can be reduced by 25 (38%)
66
41
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnbt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
dnbt.edu.vn
1900 ms
magicthumb.css
520 ms
caodangnghe.css
778 ms
topmenu-sub.css
804 ms
Tabs-N.css
577 ms
unslider.css
878 ms
jquery.min-1.3.2.js
1547 ms
ddsmoothmenu-namkna.js
1114 ms
stmenu.js
1534 ms
Tianyon.js
1059 ms
jscss.js
1149 ms
swfobject1.5.js
1052 ms
AC_RunActiveContent.js
1065 ms
AC_ActiveX.js
1126 ms
tabs.js
1169 ms
common.js
1311 ms
jquery.js
2474 ms
magicthumb-packed.js
1651 ms
jquery.min-1.8.2.js
2296 ms
jquery-ui-1.8.23.js
3212 ms
slimScroll.js
1595 ms
unslider.min.js
1605 ms
stcode.js
777 ms
topmenu_bg.jpg
260 ms
tm_line1.jpg
244 ms
searchButton.gif
279 ms
menu-ngang.gif
333 ms
trangchu.png
283 ms
TS-lien-thong.jpg
871 ms
tuyensinh2015.jpg
2437 ms
online
75 ms
bg-title.jpg
514 ms
new.gif
547 ms
line.png
520 ms
16_3_2016_21_53_38.jpg
616 ms
11_3_2016_8_6_21.jpg
792 ms
18_3_2016_8_39_56.jpg
810 ms
title-right.gif
840 ms
skype_logo_online.png
1255 ms
hcm.jpg
1113 ms
attt.jpg
1132 ms
tracuu-vbang.jpg
1158 ms
kqua-htap.jpg
1155 ms
vlam-hssv.jpg
1399 ms
cuu-hs.jpg
1418 ms
ktx-n.jpg
1448 ms
tt-dt-dvsx.jpg
1493 ms
tvien.jpg
1564 ms
knmem.jpg
1668 ms
timviec.jpg
1694 ms
bg-ksat.png
1740 ms
title-ksat.png
1787 ms
27_1_2015_13_44_51.jpg
1830 ms
25_1_2015_11_25_42.gif
2687 ms
27_1_2015_13_45_31.jpg
1931 ms
27_1_2015_13_45_13.jpg
1969 ms
7_8_2015_12_26_30.jpg
2047 ms
7_8_2015_12_26_9.jpg
2109 ms
7_8_2015_12_25_38.jpg
2201 ms
27_4_2015_13_48_5.png
2264 ms
28_10_2015_14_47_36.jpg
2149 ms
28_10_2015_9_59_4.jpg
2249 ms
28_10_2015_10_1_12.png
2276 ms
11_11_2015_8_8_34.png
2333 ms
23_11_2015_7_40_20.JPG
2343 ms
fo.jpg
2159 ms
down.gif
2275 ms
right.png
2244 ms
dnbt.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.
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
Form elements do not have associated labels
Links do not have a discernible name
dnbt.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
dnbt.edu.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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dnbt.edu.vn 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 Dnbt.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.
dnbt.edu.vn
Open Graph description is not detected on the main page of Dnbt. 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: